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How to repair corrupt OST file and convert OST to PST
Watch the video to know how one can repair corrupt Exchange OST file effortlessly and convert OST emails to MS Outlook PST file format by using Kernel for OST to PST converter tool. It can convert OST to MSG, MBOX, EML to access them. It can migrate OST emails to webmail like Gmail, Exchange Server and cloud based Office 365. To know more about OST to PST tool, visit: https://www.nucleustechnologies.com/ost-to-pst-converter.html
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Facing PST file corruption issue - PST Repair tool will help
Watch the video to learn how one can deal with PST file corruption issue with an outstanding Kernel for Outlook PST Repair Tool easily. Using this tool, non-technical users can swiftly perform the repair process to restore their essential data without taking any technical assistance. Moreover, to get detailed information about the tool, one can refer to https://www.nucleustechnologies.com/outlook-pst-repair.html
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Backup & Restore Office 365 mailboxes by Kernel Office 365 Backup & Restore
If you are looking for an automated solution for backup single or multiple Office 365 user mailboxes to Outlook data file, then you can use Kernel Office 365 Backup & Restore tool. Go through the video to check out the steps to backup single or multiple user mailbox to Outlook PST file format with custom filter options. To know more about this tool, visit: https://www.nucleustechnologies.com/office-365-backup/

If you want to restore the PST/OST files to Office 365, then refer to the below video tutorial
https://www.experts-exchange.com/videos/10338/A-brief-demonstration-of-Kernel-Import-PST-to-Office-365-Tool.html
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Kernel Data Recovery released Express Edition of Kernel Migrator for Exchange

The new Express Edition tool 1.jpg has an exciting feature to migrate single or multiple mailboxes from Exchange to Exchange. Exchange to Office 365, Office 365 to Exchange and Office 365 to Office 365 platforms. Another excellent feature of this Exchange Migrator – Express Edition tool is that it has no need of MS Outlook installation. It supports all versions Exchange Server. To know more about the software; visit: https://www.nucleustechnologies.com/exchange-migration/express-edition.html
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Free Data Recovery Software
Free Data Recovery software is an advanced solution from Kernel Tools to recover data and files such as documents, emails, database, media and pictures, etc. It supports recovery from physical & logical drive after a hard disk crash, accidental/intentional format etc. Through different scan modes, one can easily recover data up to 2 GB for completely free. To know the process, go through the video and download the tool from https://www.nucleustechnologies.com/free-data-recovery-software.html
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A brief demonstration of Kernel Import PST to Office 365 Tool
The video will let you know the exact process to import OST/PST files to the cloud based Office 365 mailboxes. Using Kernel Import PST to Office 365 tool, one can quickly import numerous OST/PST files to Office 365. Besides this, the tool also comes with four simple steps to perform the migration task without having the presence of MS Outlook. You can get the detailed information about the tool here: https://www.nucleustechnologies.com/import-pst-to-office-365/
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Migrate MBOX file to PST and Office 365 using Kernel MBOX to PST Converter
The video provides a quick and easy steps to migrate MBOX file to well known Outlook PST and Office 365. Besides this, it also supports and migrates more than 20 email clients of MBOX which include AppleMail, Opera, Thunderbird and SeaMonkey effortlessly. To know more details visit: https://www.nucleustechnologies.com/mbox-to-pst.html
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Expert Comment

by:Alessia Smith
Thanks for giving us this informative post....This video clear the whole process of MBOX to PST conversion.
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Expert Comment

by:shafiul islam
Helpful information about this issues, you can read the post https://gallery.technet.microsoft.com/Thunderbird-to-Outlook-75d2a9b1
and get familiar with easy steps to resolve all kinds MBOX to PST related issues.
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Office 365 has multiple features and services which are specially designed to help businesses to reduce their dependence on on-premises IT resources. It also offers great flexibility and enhanced security. But like any other data, Office 365 mailbox can also be backed up. Usually, this is done in PST format. And if you want to migrate Office 365 mailbox to Outlook, then also you need to save in PST format. However, there is no special feature available in the Office 365 for this need – but the Office 365 feature eDiscovery can be used to export the Office 365 mailbox to a PST file.


Step-by-step procedure to back up Office 365 mailbox to PST (using eDiscovery tool)


  1. Login to Office 365 and go to Admin center.
  2. In Admin center panel, go to Reports option and click Security & Compliance.
  3. In Security & Compliance center, click the Reports dashboard option which will take you to the dashboard.
  4. Click Permissions. It will have multiple tools listed. Among them is eDiscovery Manager tool which will export the Office 365 mailbox to PST. Check it, and then click Edit role group.
  5. Now, go to Choose eDiscovery Manager where you need to choose a single or multiple accounts which will have the authority to export the mailbox.
  6. Click Add.
  7. Choose accounts, and click Add.Click Done.
  8. Click Save.
  9. Now, go to Search & Investigation. Here, choose the Content search option. Click the (+) button to add new Search content.
  10. Input name of the search content, and choose the desired options from where you want to search the content.
  11. The next window will let you choose if you want to put a keyword in the search content. But if you want to search the whole content, then leave it empty.
  12. After the search process is completed, the user can easily export the search item in PST format. Click the Start Export option.
  13. In Exports search results window, choose the desired options among the available and click Start Export.
  14. The tool starts exporting data and you can download the download exported results to see the whole migration report.
  15. In Export search results, you can copy the URL which will be used in the eDiscovery PST export tool and paste it there.
  16. Copy the selected URL in eDiscovery PST Export tool, provide a destination to store the migrated data, and click Start Export. The migration will start.


Automated method


If you do not want to go through this tiresome, error-prone, or time taking the process of manually exporting the Office 365 mailbox to PST, then use Kernel Office 365 Backup & Restore which can easily access the Office 365 mailbox and save it in PST format at the user-defined location. Office 365 Backup tool has a highly simplified user-interface which any user with very office 365 credentials can use.


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Kernel for Exchange Server - A quick and safe way to convert EDB file to PST
Planning to migrate your EDB file(s) to a new or an existing Outlook PST file?

This video will guide you how to convert EDB file(s) to PST. Besides this, it also describes, how one can easily search any item(s) from multiple folders or mailboxes. The best part of Kernel for Exchange Server Recovery tool is, its easy and quick navigation flow that helps technical or even non-technical users to operate it swiftly. To know more about the software visit: https://www.nucleustechnologies.com/Exchange-Server-Data-Recovery.html
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LVL 14

Expert Comment

by:Andrew Leniart
Great instructional video. Held my interest until the end, which is rare for a software package I haven't even used. Well done.
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Often, the users face difficulty in accessing Outlook 2016 PST files on Windows 10 computer. One of the reasons behind it is the improper functioning of MS Outlook when the user tries to open it. MS Outlook suddenly stops working, or it will not open, and the chances of losing crucial data or information within the PST file becomes very high.


These problems might occur due to upgradation of Windows, the configuration of Microsoft applications, and many other applications or programs. The issues faced with Windows upgrade include incompatible software or configuration is not up to date, and this could be one of the reasons why PST file is not opening on Windows 10 computer.


Below listed are some common issues that may affect the health of Outlook 2016 PST files:


  • Issue 1: Incompatible programs: Windows operating system receive updates with time. However, installed applications on an operating system are not updated, and faces incompatibility issues take place. Outlook starts to produce errors, especially when MS Office Suite and more specifically Word is not updated.
  • Issue 2: System files or applications are missing: At times, when the system files or application files are missing, Outlook desists from working properly. In many cases, the Outlook application is not installed completely and requires reinstallation for proper functionality.
  • Issue 3: Abrupt system shut down: The sudden shut down of Windows 10 affects Outlook while it is in the process of email transfer. Later, it might start usually and abruptly shut down after opening. 
  • Issue 4: PST file becomes oversized: It is a prevalent problem when the PST exceeds the pre-defined storage space. Hence, Outlook does not read the PST file, and it stops working on a Windows 10 PC.


Resolution


There are many ways to resolve the inaccessibility issue of Outlook 2016 PST file. To cut the long story short try the suggested fixes.


Manual method to repair PST file


The first aid fix to restore a corrupt PST can be done using the Inbox Repair Tool, ScanPST.exe. Find this inbuilt utility tool on your machine (which is a tool developed by Microsoft to resolve issues related to PST files) and run it. Few simple steps to do this:


  1. Close Outlook properly if it is running
  2. Find and run ScanPST.exe
  3. Browse to locate the PST file or manually type the location or file name (if location unknown)
  4. Launch Outlook and click on File Info Account Setting Data Files
  5. Note file path and file name and Click on Close     OK      Exit Outlook
  6. Launch Outlook and create a new PST in your profile
  7. Drag all the recovered items to the new PST from “Lost and Found” folder


It is an easy process but suffers several limitations like data loss and require technical expertise. Therefore, to overcome these limitations, the recommended fix is to use an Automated method which is best suited for non-technical users as well.


Automated method Third-Party tool for PST repair


In case the above manual method does not work, you can opt for a third-party tool which is another best and straightforward solution to fix such issues. The IT professionals recommend Kernel for Outlook PST Repair tool. Such type of tools offer extensive features to technical as well as non-technical users at ease.


Final words


We recommend the users to first use the inbuilt Microsoft utility first in case of issues with MS Outlook. If the problem still persists, use PST Repair tool to repair MS Outlook data files in a few clicks.

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As a matter of fact, Outlook OST files are of much importance in relation to Exchange mailbox. OST files are independent as they are simply copy of data of a user’s mailbox on Exchange Server. Though, if the server’s status is changed or it is damaged, the OST files will not be affected. Due to these files any user can work uninterruptedly during the server downtime in offline mode. Later, when the server is online all the data gets synchronized automatically with the mailbox server.


After understanding the importance of an OST file, are you at a situation where OST file got corrupt and searching for an accurate and efficient solution? The best solution is OST to PST converter software that aims to provide solid results and proves to be helpful. Before moving towards detailed solutions, let’s discuss the errors and reasons behind them.


The regular users of Outlook might come across OST file corruption or accidental file deletion issues. This indeed is not a common problem, but if it takes place then it can be worse for the entire business. Due to the inaccessibility of OST files while launching MS Outlook, the user is indicated with several pop-up errors, indicating corruption.


The following errors occur when OST files gets damaged, corrupted or inaccessible:


  • Could not find YYYY.ost (business file) in Outlook storage
  • The YYYY.ost is not available in mailbox
  • Errors detected in YYYY.ost, therefore, to fix and repair the file try using Scanost.exe
  • File is not accessible is also an error
  • The OST folder is displayed
  • MS Outlook encounters a problem and exit suddenly


Before suggesting the fixes for the mentioned errors, let’s take a quick look at the primary reasons that may cause these error:


  • Outlook is suddenly terminated while synchronization with Exchange server
  • Sudden system shutdown during Exchange server synchronization
  • Corrupt file system
  • OST is attacked by virus


Repair techniques for OST file


There are many reasons for an OST file to get corrupted and the major errors may occur due to hardware, software and synchronization failures. Here are some repair techniques that can be applied to OST file.


  1. Replace with a backup copy: One of the best suggested techniques is restoring from a backed up copy. Unfortunately, this technique follows some limitations, say for instance, if the backup is not a recent one then all the data saved after the backup will be missing.
  2. Use inbuilt Inbox repair utility: ScanPST.exe and ScanOST.exe are two inbuilt utilities that are offered by Microsoft to help repair minor issues related to Outlook OST and PST files.
    There are some drawbacks with this technique. Firstly, severe corruption issues are not fixed by ScanOST.exe. Secondly, this utility is limited to Outlook version 2007. Hence, not available for above versions.
  3. Clean offline data and recreate: By removing the offline data of OST file, it will help you in eradicating the cause of corruption (up to a level).
    Therefore, clear the OST with the below mentioned steps:
    a. Find the OST file on your system.
    b. Select “Properties” by right clicking on the folder.
    c. Choose “Clear Offline Items”.
    d. Click “OK”. And, Outlook will be launched.
    e. From the Outlook 2010 ribbon click the Send/Receive tab and click “Update Folder”.
    Later, delete the OST file after completing the above steps and a new OST will be created and data will get downloaded to it within the Exchange mailbox. Overall this method is not a guaranteed one, but is very effective with minor data loss only in conditions where the OST gets corrupted before the merging of Exchange mailbox.
  4. Use OST to PST converter: This is the most reliable technique offered if none of the above techniques work. Data recovery tool is the most intelligent solution for all corruption issues related to OST file. The most efficient recommended tool by experts is Kernel for OST to PST converter – It is a third party tool that helps users in extracting  data from a OST file into PST format.


Final words


The files you backed on the fly always helps when you face any type of data crashes. Although, it is not a hundred percent solution to solve issues of crashes or corruption of OST files. In such cases, if the manual and free methods fails to work, try using  OST to PST Converter software which will effectively convert your corrupt and large size OST file into MS Outlook PST file format.

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LVL 26

Expert Comment

by:Brian B
Comment Utility
Why not just delete the OST file and let Outlook create it? It is only a cache file and not required for Outlook to operate. It will be rebuilt the next time Outlook is run.

Your step 2 is not relevant. ScanPST does not work on an OST file and ScanOST is no longer available: https://support.microsoft.com/en-us/help/983036/the-scanost-exe-tool-is-not-available-starting-with-outlook-2010
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Upgrading from older Exchange server to the latest Exchange server can be tiresome, error-prone and risky, without being a seasoned exchange server administrators. It can become even problematic if you're an organization that runs on tight timelines, finite budget, and limited number of resources. Also, it requires proper scheduling of manpower and data. A manual procedure of migration can pause all such crucial tasks and that is where Kernel Migrator for Exchange stands out. This Exchange Migration tool automates the whole migration procedure removing all the risks to safely transfer the data from one exchange platform to another.


Migrator for Exchange single-handedly performs all the migration related jobs and builds a secure bridge between two different platforms. It provides the following migration facilities-

  • Exchange to exchange direct migration (Intra-forest and cross-forest).
  • Office-365-to-Office 365 migration.
  • Exchange to Office 365 migration.
  • Public folder migration from Exchange/ Office 365 to another pubic folder.
  • Exchange to hosted Exchange Server.


Features of Kernel Migrator for Exchange -


Pre-migration analysis

 
The pre-migration analysis is a highly beneficial feature which allows the administrator to evaluate the possible approximate time of migration. It gathers the information about the numbers of agents involved in the migration and the average network speed.


Agent configuration


Agent configuration accelerates the migration process with the configuration of any high-processing machine (if running idle), and helps the large-sized migration. It is also possible to  select a blackout time which will automatically pause the process at a point, and later it can be resumed from the same point easily. 


Easy migration with smaller jobs


Migrator for Exchange decreases the complexity of a large migration process by creating multiple jobs which migrate thousands of mailboxes in smaller batches. Each job can be assigned a migration start time efficiently. 


Web-based migration reports


The administrator can generate the migration report involving complete information of migrated mailboxes and their sizes. It also shows the remaining items and how much will it  require to complete. 


Real-time migration alerts and notifications


The tool constantly updates the user with real-time notifications and alerts either in the software console or directly in the user's mailbox. It provides a complete synopsis about the migration start time, migration end time, status, and migration success/failure information etc.


Rollback the migration process


If there was an error in the migration process e.g. Mailbox deleted, data mismanagement, faulty data migrated, etc. Then with the Rollback option, complete migration process can be reversed instantly. 


Migrate total properties, permissions, passwords and SID history


Migrator for Exchange not only migrates the data but every possible information associated with it like its properties, user permissions, passwords and SID history.


Multilingual support for international usage


The tool is available in four different languages - Deutsche, Española, Italia, and English  which make the tool perfectly suitable to satisfy the needs of international  clientele.


What benefits does Kernel Migrator for Exchange offer?


  • Risk free migration with smaller jobs dividing the large sized mailbox into smaller batches.
  • User can easily work on exchange server completely unaware of ongoing migration.
  • Migrates under the limited resources.
  • Provides real time notifications to update the user.
  • Removes the need of checking every assigned agent separately.
  • Pause the migration process at any point and later resume from the same point.
  • Requires fewer resources.
  • Rollback features to reverse the faulty migration.


How does Kernel Migrator for Exchange work?


Kernel Migrator for Exchange has a self-explanatory user-interface having categorized segments to easily understand each and every component of the migration from their dedicated tiles.


 The user can easily create new projects to migrate mailboxes and public folders.
 
After creating a new project, the tool allows to create a new job for the migration purpose.



Before starting the actual migration, the tool offers a pre-migration analysis which assess the approximate time required for migration based on total number of agents and network speed.


Pre-migration analysis  

Enter the Job type, job name, domain controller name/IP, username, password, network speed, and number of load agents.


The next window lets you select the number of mailboxes.



Then you can set the filters.


As soon as the tool analyzes the input data, it gives a detailed summary of how much time will it require to migrate a particular mailbox, total folder, total items, total size, and status.


SETTINGS

After pre-migration analysis, it is time to change the settings as per your migration needs. There are four types of settings – configure agents, report console settings, notification settings, and log settings.


Configure agents
 Agents are the extra system resources (RAM & Processors) within the same network which can be recruited to share the heavy load. There are four options to install agents – Manually, from active directory, scan and add, and from CSV.



Report console settings
This option provides login credentials to access report console to see details of migration job completed by the Migrator.


Notification settings
This option lets you configure server setting to receive notification alerts.

Log Settings
Log settings lets the user enable or disable the logging of mailbox migration jobs and mailbox synchronization jobs.


Mailbox configuration
It is the most important pre-migration function which lets the user set the migration limits, properties, and permission of user mailboxes and public folders from the source exchange server to destination exchange server. However, there are multiple prerequisite which must be fulfilled

  • The user must have the full administrative rights to create all migration jobs.
  • If you are going to update profile job, make sure that GPMC (Group Policy Management Console) is installed on system where Kernel Migrator for Exchange is installed.
  • To migrate to different language version of Exchange server, install the target language based Outlook on the same computer where the Migrator tool is installed.


GAL Synchronization


The Global Address List synchronization updates the Global Address List of Target Exchange with respect to the source migration objects.
In the GAL Sync wizard, enter the job name and its description.

 

 In the next window, enter the source domain details.


In the next window, enter the target domain details.



After a proper synchronization, it will give a complete GAL synchronization job details.



Add Project
After completing all the synchronization, it is time to add project to manage all migration jobs. To create a job under a project click Add button in toolbar and select "Add job for mailboxes".



After creating a job and providing a name to it, select the source.



After selecting the source mailboxes, employ the target exchange server.



After filtering the desired data and mapping target mailboxes to source mailboxes, you can start migrating data.

After a successful migration, the tool will provide a detailed summary of the whole procedure.


Click Finish to finalize the process.

However, it is recommended to first generate and activate the licenses to ensure smooth data migration throughout the process.


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Kernel Data Recovery – A brief Insight
Kernel Data Recovery is a renowned Data Recovery solution provider which offers wide range of softwares for both enterprise and home users with its cost-effective solutions. Let's have a quick overview of the journey and data recovery tools range here at https://www.nucleustechnologies.com
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As a Microsoft Exchange user, you must have known the importance of an Offline storage table (OST) file. It is nothing new for an Outlook user to be dependent on a .ost file during a server break down or a problematic Internet connection. In such a complicated situation, the OST file comes handy to work in an offline mode.


But a disadvantage that comes with these OST files is that they are very prone to corruption because they are available on a local machine. Following are the different reasons that can result in the corruption of an OST file:


  • Malfunctioning of software or hardware.
  • Synchronization issue between the client and the server.
  • Unexpected shut down of the MS Outlook app.
  • Abnormal or unexpected shutting down of the computer.


Due to such corruption, you may receive error messages saying "The file cannot be used because it was created for a different user".


When such an error occurs, it becomes nearly impossible for the user to access any file.


This error occurs when the OST file stored in your system has reached an unstable state, or you can say that it has been corrupted. The only solution to fix this problem is to export all data of the OST file into the PST format. You can convert OST into PST format manually, and procedure for the same is explained in the next section. This procedure works only when the OST is not corrupt. If it is corrupt, then you can repair the corrupt file with the help of a professional OST to PST tool.


How to convert OST into PST format?


Follow the step by step guide given below to convert OST into PST format, and you are good to go.


  • Step 1: Launch the MS Outlook application in your system.
  • Step 2: Now go to the Tools menu > Account Settings. And, now click Email account and select More settings.
  • Step 3: Now select the Advanced tab and then toggle the Use Cached Exchange Mode.
  • Step 4: Now click Offline Folder File Settings and then identify the location of the OST file.
  • Step 5: Restart MS Outlook.
  • Step 6: Now click File > Import and Export. After that click Export to a file and then finally select Personal Folder File (.pst).


Wrap Up


This step guide should enable you to convert the OST file into PST format manually. However, if the procedure mentioned above fails to perform the required conversion, then unfortunately, you are left with only one option, and that is to use a commercial OST to PST Converter tool.


There are plenty of such converter tools available in the market. On the basis of your requirement, you can choose any one of the software to convert the OST into PST. Make sure the software that you will be using is compatible with MS Outlook and Windows version that you are using. You can always try the free or demo version of that software before actually buying it to remove the corrupt OST files present in the system that is creating the inaccessibility error. 

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LVL 6

Author Comment

by:Sandeep Kumar
Comment Utility
Hi Brain,

Using a commercial tool is a quick and reliable way to convert OST to PST file, in this scenario. The manual method is only workable when OST file is not corrupt, else there is not point to go for it. Also, manually exporting the file can be problematic if you've large-sized OST files for the conversion, as there can be data integrity issues at the end.
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LVL 26

Expert Comment

by:Brian B
Comment Utility
Yes but this article is not about converting OST to PST, it's about recovering from a specific error by rebuilding OST.  Why would you pay for a tool to do that?
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Exchange administrators are always vigilant about Exchange crashes and disasters that are possible any time. It is quite essential to identify the symptoms of a possible Exchange issue and be prepared with a proper recovery plan. There are multiple methods which can be used to avoid Exchange data losses. However, Exchange administrators must plan for these methods. We discuss the some of the recovery options available in Exchange 2013:


  1. Exchange 2013 recovery features
  2. Exchange native data protection
  3. Exchange 2013 VSS Writer
  4. Exchange Server recovery in AD
  5. Third-party Exchange Recovery tools


Exchange 2013 recovery features


The recovery features in Exchange 2013 have reduced the dependence of Exchange administrators on backups for the retrieval of lost data. These features are useful for different purposes such as disaster recovery, long-term data retention, deleted item recovery, and point-in-time recovery. We will see how these Exchange 2013 features help in dealing with disasters:


  • Deleted item recovery - Due to the Hold Policy in Exchange 2013, it is possible to retain all the deleted items in Recoverable Items folder up to a specific period so that end users can recover. This makes deleted item recovery, simpler, faster, and less expensive.
  • Long-term data retention - In Exchange 2013, the features like In-Place Hold, Litigation Hold, In-Place Archiving, and In-Place eDiscovery help in the long-term retention and retrieval of data. Whenever a need (like legal requirement) occurs, the required data can be searched and retrieved. These features shorten the recovery procedure and eliminate the need of costly recovery tapes.
  • Disaster recovery - Exchange 2013 continues to have Database Availability Groups (DAGs) to ensure the high availability of mailbox servers and to facilitate quick disaster recovery. The benefit of having multiple database copies in the Database Availability Groups is that at least one copy is always unaffected by other’s corruption. This feature acts as a perfect guarantee against data loss in case of hardware, software, network, and server failures.
  • Point-in-time snapshot recovery - Exchange 2013 allows to create a point-in-time database copy in the Database Availability Groups. The copy in DAG can be used to restore to a previous point of time. This feature is helpful in the events like deletion of user mailbox data, replication of logical corruption to all database copies in the DAGs, etc.


Exchange Native Data Protection


Exchange Native Data Protection works as an alternative to traditional backups.  The benefit of Exchange. And the concept is to use the inbuilt Exchange 2013 features to avoid Exchange data loss. Native Data Protection is that it does not require scheduling the manual backups regularly. The core idea behind Native Data Protection is the combined use of Exchange 2013 high availability features and features like Litigation Hold, In-Place Hold, In-Place eDiscovery and In-Place Archiving to ensure complete protection of data.


Exchange 2013 VSS Writer


Exchange 2013 VSS Writer is the functionality used by backup applications to backup and restore Exchange data. VSS Writer actually facilitates Exchange backup/restore operations.


Exchange Server recovery in Active Directory


Active Directory stores all the configuration settings for Mailbox and Client Access servers. Exchange 2013 has an option /m:RecoverServer which can re-create a lost server with the help of configuration settings in Active Directory. Here is the complete method of recovering the lost exchange server using the Active Directory


  1. First of all, reset the lost server’s computer account.
  2. Install OS again and name it again (with the same name).
  3. Add the server to its original domain.
  4. Install the system requirements & prerequisites for Exchange Server 2013
  5. Open the command prompt in the server.
  6. In the Exchange 2013 installation files, run-
    Setup /m:RecoverServer /IAcceptExchangeServerLicenseTerms
  7. Check the custom settings and reconfigure them as per the previous settings.
  8. To check whether the procedure worked on not, go to Windows Services tool (services.msc) and check if the Exchange services are running or not.


Third-party Exchange Recovery tools


Many professional tools help you recover Exchange data. They restore mailboxes and public folders from offline Exchange database file to PST files or destinations like Exchange Server or Office 365.  One excellent tool you can try is Kernel for Exchange Server. This Exchange Recovery tool supports recovery from EDB files created in all the versions of Exchange. And it is one of the easiest methods for Exchange database recovery.


0
 
LVL 11

Expert Comment

by:Marshal Hubs
Comment Utility
It is always be a pain to recover exchange database. But you can easily recover exchange database by using Stellar Phoenix Mailbox Exchange Recovery Software. The software recovers database even the database is in dirty shutdown state or the log files are missing. Trial version is available here: https://www.stellarinfo.com/edb-exchange-server-recovery.htm
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Do you think Scanpst.exe is capable to Repair all PST related corruption issues?
As many of you are aware about Scanpst.exe utility which is owned by Microsoft itself to repair inaccessible or damaged PST files, but the question is do you really think Scanpst.exe is capable to repair all sorts of PST related corruption issues?
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LVL 1

Expert Comment

by:Puneet Bhatt
Scanpst.exe the Microsoft inbuilt utility is generally used to repair minnor corruption issues of Outlook PST (data file).
But if the corruption issues are higher and emails are essential then use Outlook PST Repair tool.
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MS Outlook undoubtedly is the most widely used email client.Its user-friendliness, cost effectiveness, and availability with Microsoft Office Suite make it the most popular email application.  Its compatibility with Microsoft applications like Exchange Server is also a reason for its popularity. However, this application is not completely free of issues. Outlook configuration errors, compatibility issues with other email clients, large size, and corruption of its proprietary file format (PST format), etc. are some common issues faced by Outlook users. However, due to the popularity of Outlook, many professional solutions are available to help Outlook users overcome these issues. Here we will discuss some tools that help you to manage MS Outlook efficiently.


  1. Kernel for Outlook PST Repair – For repairing corrupted PST files
  2. Kernel for PST Compress & Compact – For reducing the size of PST files
  3. Kernel for Outlook Duplicates Remover – For removing duplicate emails from Outlook mailbox
  4. Kernel for Attachment Management – For managing PST email attachments
  5. Kernel for PST Split – For splitting large PST files


Kernel for Outlook PST Repair – For repairing corrupted PST files


PST file corruption is a common issue in all versions of MS Outlook. Some of these issues can be fixed using free or inbuilt tools, but not all. That is why even seasoned Outlook users prefer professional PST repairing solutions. One such a tool you can try is Kernel for Outlook PST Repair. It repairs damaged Outlook Data files.  This tool has many features like:


  • Repairs large PST files without any issues
  • Exports emails to Office 365 and emails servers like Exchange server.
  • Recovers deleted emails & attachments (and displays then in RED for preview)
  • Saves emails to different file formats DBX, MBOX, MSG, and EML, etc.
  • Enabled with inbuilt filters which can find required emails instantly.



Kernel for PST Compress & Compact – For reducing the size of PST files


Kernel for PST Compress & Compact is a unique tool which can compact the size of large PST files. This utility helps you to reduce PST size by removing the unused space. This tool has more features which are stated as follows:


  • Compresses & compacts many PST files in single cycle.
  • Integrated with user-friendly Interface.
  • Compresses or removes attachments from emails.
  • Retains integrity while compacting PST files.
  • Removes extra space from PST files.



Kernel for Outlook Duplicates Remover – For removing duplicate emails from Outlook mailbox


Kernel for Outlook Duplicates Remover is a simple tool to remove duplicate items from the Outlook mailbox. It has different options for finding duplicates in Outlook. Following are the features which are included in this tool:


  • Finds and removes duplicate items from PST files.
  • Inbuilt comparison criteria to find duplicate items.
  • Provides various comparison criteria to find duplicate items.
  • Saves list of duplicate items in HTML format.



Kernel for Attachment Management – For managing PST email attachments


Kernel for Attachment Management is an advanced tool to take backups of the attachments and to remove them from Outlook emails. This tool actually saves space because this tool downloads the PST attachments, save them on local machine and then deletes them from Outlook mailbox. Its features are:


  • Restore attachments to any desired location.
  • Compresses email attachments in zip format.
  • Allows to rename attachments with name prefixes.
  • Maintains a log file with the records of attachments processed.
  • Is compatible with all Outlook versions.



Kernel for PST Split – For splitting large PST files


Kernel for PST Split is a tool for splitting large size PST files. This utility efficiently splits large PST files in just few minutes and saves data into smaller PST files. Splitting PST files eliminates chances of PST corruption and improves the performance of Outlook. More advanced features of this tool are listed below:


  • Splits PST files without impacting original data.
  • Splits password protected PST files
  • Provides various criteria like date range to split PST files.
  • You can give desired size to split PST files.
  • Saves different mailbox folders to separate files as per need.



Conclusion


MS Outlook is the most popular email client. Users find this email client easy to use as its interface is very intuitive. Also, users familiar with other Microsoft products find it very convenient too. However, issues are also frequent with this email application. Many of these issues can lead to inaccessibility of emails, calendar, task list, address book, and more. So users always need some utilities that can help them in managing Outlook without issues.

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Announces the release of Kernel Migrator for Exchange

Kernel Data Recovery announces the release of Kernel Migrator for Exchange, a complete solution for Exchange/Office 365 migrations. As per the company sources, the tool can perform a swift migration of mailboxes from Exchange/Office 365 to another Exchange or Office 365. The tool can also be used for public folder migration. This tool works with on-premises, hosted, hybrid, & cloud Exchange deployments for both intra-forest and cross-forest migrations. This tool is unique in many ways as it has features for pre-migration analysis, real-time alerts, web console based reports, and post-migration co-existence between the source & destination environments. The company describes it as an in-house migration solution for all Exchange administrators.
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If you have come across a situation where you need to find some EDB mailbox recovery techniques, then here you will find the same.

In this article, we will take you through three techniques using which you will be able to perform EDB recovery. You can select any of these methods based on your requirements.

EDB mailbox recovery techniques

Technique #1 – Using ExMerge

ExMerge is a free Microsoft tool that can be used to extract mailboxes from an EDB file. The extracted mailboxes can be saved in PST formats and then accessed using Outlook. It is a manual process that requires the access and applications of ExMerge utility.

Note: This method works with Exchange 2003 only. If you have any other version of Exchange server, then skip to technique 2 or 3.

Perform the below steps to undertake this method:

  1.  Launch ExMerge utility.
  2. Click the Next button.
  3. Select the Extract or Import (Two Step Procedure) option.
  4. Click the Next button.
  5. Select the Step 1 Extract data from an Exchange Server Mailbox option.
  6. Click the Next button.
  7. Enter details of your Exchange Server to establish a connection with the EDB file.
  8. Click the Next button.
  9. Now select the EDB file.
  10.  Click the Next button.
  11. Now, you need to select the mailboxes that you want to extract as PST file.
  12. Select a location to save the extracted PST files.
  13. Click the Next button.
  14. The process will start.
  15. Once this process is completed, click the Finish button.


Benefits of this EDB mailbox Recovery technique

  • Free solution
  • Effective if you have a working connection with Exchange server


Disadvantage of this process

  • Lengthy
  • Needs technical skills
  • Time-consuming
  • You may incur data loss


Technique #2 – Using Exchange Powershell

Before we take you through this technique, we would like to mention that it is a very lengthy and complicated process. So, you should consider applying this process to perform EDB recovery only when you are

  •  a technical person
  • able to access Exchange server with sufficient admin rights
  • able to access and use PowerShell
  • well aware of the results of cmdlets being executed
  • ready to incur data loss

If you are not sure about any of the above-listed pointers, then the best solution for EDB recovery is using the Technique #3 given next in this article.

Perform the below steps to apply this process for EDB recovery:

  1. Login to your mail server.
  2. Access command prompt as an administrator.
  3. Perform dirty shut down on the EDB file to be recovered. You can use the below command to perform this action:
    eseutil /mh MyExchange.edb
  4. After dirty shut down is successful, execute the below command to repair the MyExchange.edb file:
    eseutil /r E02 /l "E:\EXDB12\Exchange Server\MyExchange\Logs" /d "E:\EXDB12\Exchange Server\MyExchange\File"
  5. Now, you need to create a recovery database. To do that, execute the below command:
    New-MailboxDatabase -Server mail01 -Name RDB1 -Recovery -EdbFilePath "E:\EXDB12\Exchange Server\ MyExchange\File\ MyExchange.edb" -LogFolderPath "E:\EXDB12\Exchange Server\MyExchange\Logs"
  6. Now, you need to mount the recovery database. To mount the database, execute the below command:
    Mount-Database RDB1
  7. Access the Exchange PowerShell and execute the below command to get a list of the mailboxes available in the EDB file:
    Get-MailboxStatistics -Database RDB1 | fl –auto
  8. Now, you need to restore these mailboxes on an existing Exchange Server. You can do this by executing the below command:
    New-MailboxRestoreRequest -SourceDatabase RDB1 -SourceStoreMailbox "Nav, S" -TargetMailbox newnavS –AllowLegacyDNMismatch
     In the above command, Nav, S is the name of the old mailbox that you will replace the newnavs, which is the name of the new mailbox.
  9. After the above command is executed, you need to check if the process has been completed successfully or failed. You can do that by executing the below command:
    Get-MailboxRestoreRequest
  10. If you see the status as completed after executing the command in step 9, then run the below command to remove the restore request:
    Get-MailboxRestoreRequest -Status Completed | Remove-MailboxRestoreRequest
  11. Now, you can export the restored mailbox to a PST file by running the below command:
    New-MailboxExportRequest -Mailbox navs -FilePath //loc/PST/navs.pst
  12. Now, again check the status of this command by executing the below command:
    Get-MailboxRestoreRequest
  13. If the status is completed, execute the below command:
    Get-mailboxexportrequest –status completed | remove-mailboxexportrequest
  14. Now, you can delete the original mailbox from which the PST is created by executing the below command:
    Disable-Mailbox navs@xyz.com
  15. Now, delete the recovery database by executing the below command on Exchange PowerShell:
    Remove-MailboxDatabase -Identity “RDB1”


Benefits of this technique to perform EDB recovery

  • Free technique
  • Works if executed properly


Disadvantages of this method

  • Complex
  • Lengthy
  • Chances of data loss are high
  • Time consuming
  • Strong knowledge of using PowerShell is must


Technique #3 – Using a Third-party tool

The best among all EDB mailbox recovery techniques is the use of a third-party application that has been specifically designed and developed to reduce your work as an administrator when it comes to deal with Exchange database recovery.

There are many tools available that can help you with EDB mailbox recovery, but one of the best tools is Kernel for Exchange Recovery.

Why Kernel for Exchange Recovery stands among the top tools:

  • Easy to use
  • Works fast
  • Works well even on badly damaged EDB file
  • Works with encrypted EDB files
  • No size limit
  • Delivers satisfied results
  • No technical skills required
  • No need to execute any command
  •  No data loss
  • Multiple saving options
  • Free trial version is available as well
  • No change to the original EDB file
  • Supports all versions of Exchange server including 2003, 2007, 2010, 2013, and 2016


Conclusion
In this article, we have disclosed three EDB mailbox recovery techniques. Two of these solutions are manual demanding server level expertise. And, the last one is automated technique that just wants you to select the EDB file, and the rest of the process can be completed in just a few clicks. So, the decision is yours whether you want to take a long journey or want to save your time and data as well with a professional, high-advanced Exchange recovery tool.

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With so many activities to perform, Exchange administrators are always busy in organizations. If everything, including Exchange Servers, Outlook clients, and Office 365 accounts work without any issues, they can sit and relax. But unfortunately, it is not the scenario in most of the organizations. However, this situation can be improved very much if they try a competent recovery-cum-migration solution in their Exchange environment – Kernel Exchange Suite.


Kernel for Exchange Server – a multifaceted solution for almost all Exchange needs


Kernel Exchange Suite can resolve all the Exchange related issues. If you have this too, you do not need to use different tools for the file recovery (EDB, OST, & PST) and migrations (Office 365 & Exchange). 


  • EDB recovery & migration
  • OST conversion & saving in Exchange/Office 365
  • PST file recovery to various destinations
  • Exchange & Office 365 migrations
  • Exchange backup extractions


When to use Kernel Exchange Suite


Kernel Exchange Suite is a multi-purpose tool for handling various requirements related to Exchange Server, offline EDB files, OST files, Outlook PST files, and Office 365 (Exchange Online). It has many features that are extremely useful for Exchange administrators.


  • EDB & PST File Recovery: This suite can easily recover mailboxes and public folders form EDB files. Also, it recovers emails, calendar, contacts, appointments, lost & deleted emails, etc.from PST files. The recovered data can be saved to Outlook PST files and destinations like Exchange/Office 365. Also, individual emails can be saved to MSG/EML formats.
  • OST to PST Conversion: Exchange OST files residing on user systems is a valuable source of user mailbox data after Exchange crashes and disasters. This suite helps you convert OST files to PST files or to import them directly to Exchange/Office 365. And specific OST items can be retrieved to EML, MSG, file formats.
  • Exchange and Office 365 migrations: By using this suite, you can easily migrate your single or multiple mailboxes to Exchange Server or Office 365. Both the source and the destination data can be viewed on the software console to drag & drop or copy & paste the required data. 
  • Exchange back up extraction: This suite helps to extract your Exchange backups from NT Backup and HP Backup and then restore that to hard disk or you can migrate that into Exchange Server.


Important features of Kernel Exchange Suite


Kernel Exchange Suite provides you many advanced facilities and options for every Exchange related task you have to perform. Unlike the manual methods, all the tasks are performed from a user-friendly interface. Administrators can just glance through the software interface, read the instructions, and choose the options the require, and proceed with the recovery/migration operation.


OST to PST Conversion


This suite can recover mailbox data from OST files (even if damaged or inaccessible) to Outlook PST files. It can recover deleted items too. The OST data can be saved to a new PST file or to an already existing PST file. 


  • Displays the source OST file and destination PST file on the software interface
  • Allows to copy mailbox folders or messages from OST file and paste them into PST folder hierarchy.
  • Copies subfolders and creates a hierarchy in PST file as in the OST file.
  • Filters mailbox data by date range (by specifying a date range).



PST file recovery


Kernel Exchange Suite helps users to fix Outlook issues and PST file corruption issues. It can recover mailbox data from corrupted PST files and save to PST files, Live Exchange, or Office 365 account. 


  • Repairs PST files of all versions of Outlook
  • Before saving, filters mailbox data by date range
  • Allows creating a new Unicode PST file.
  • Imports PST data to Exchange Server and Office 365



EDB recovery and migration


This suite restores EDB data to Outlook PST files without any loss. During recovery, it maintains data integrity as well as the hierarchy within the mailboxes. It also allows users to export their EDB mailboxes to Office 365 accounts and to Live Exchange Server. 


  • Restores EDB mailboxes and public folders to Outlook PST files
  • Splits PST files after the specified size to save the data in multiple PST files
  • Saves EDB mailboxes to Live Exchange Server and Office 365
  • Facilitates selective migration by filtering EDB mailboxes by Item Type & date range
  • Creates operation logs with the details of EDB recovery process



Exchange and Office 365 migrations


Kernel Exchange Suite facilitates migration of single or multiple mailboxes between different Exchange Servers and Office 365 accounts. With this tool, migration is just a copy/paste or drag/drop affair (from the source Exchange/Office 365 to destination Exchange/Office 365).


  • Supports Office 365 & all Exchange versions at the source/destination ends of the migration
  • Administrator can copy mailboxes and paste them to the destination
  • Maps mailboxes between the source and destination for smooth migration
  • Can create new mailboxes in the target from the software interface itself
  • Support all versions of Exchange Server



Kernel Exchange Suite functions as a combination of 4 essential tool for Exchange administrators. It supports EDB files, PST files, OST files, live Exchange, & Office 365 at the source end and EDB files, PST files, live Exchange, & Office 365 at the destination end of recovery/migration operations. So you do not need to use different tools for recovery of EDB, OST, & PST files and Exchange/Office 365 migrations. It is a reliable tool for all Exchange related activities.

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LVL 1

Expert Comment

by:Puneet Bhatt
Comment Utility
It seems a nice tool for Exchange email recovery and migration purpose, but I recommend Exchange Toolkit which works fine and because I use it in my last company for all Exchange requirments. Look @ https://www.datarepairtools.com/exchange-toolkit.html
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LVL 11

Expert Comment

by:Marshal Hubs
Comment Utility
Stellar Exchange Toolkit allows users:

To repair corrupt EDB files
To extract mailboxes  from EDB files
To extract mailboxes from corrupt BKF files
To convert OST file to PST
To Reset Windows Server Password Recovery

For more information about software features, please check this link: https://www.experts-exchange.com/articles/30936/A-one-stop-solution-for-all-MS-Exchange-Server-issues-from-Stellar-Data-Recovery.html
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As much as Microsoft wants to kill off PST file support, just as they tried to do with public folders, there are still times when it is useful or downright necessary to export Exchange mailboxes to PST files.


Thankfully, it is still possible to export mailboxes to PST from within the EAC (Exchange Admin Centre) if you are willing to jump through a few hoops. The basic process for exporting mailboxes is,


  1. Create a share to export to
  2. Assign yourself import / export permissions
  3. Export the mailbox


1. Creating a share


As exchange is now mostly managed through a web interface rather than a console you need to setup a share to export these PST files to. It’s up to you where you place this share but make sure:


  • There is enough space for the PST files
  • The Exchange server can access to the share
  • Clean it up after


So, let’s create a share, call it EXUtil$, share it with everyone, full control. For your NTFS Permissions make sure that the Exchange Trusted Subsystem object has full control. 



As a quick test just make sure you can browse to the share from the exchange server and that there are no networking issues stopping you.



2. Import / Export Permissions


Even if you are already a Domain / Enterprise admin you won’t have access to export to PST by default. To set give yourself the correct permissions


  1. Open the Exchange Admin Centre (EAC)
  2. Click Permissions from the left-hand side
  3. Select Admin roles from the top
  4. Click Organization Management from the list
  5. Click the Pencil to edit
  6. Add a member and select the user you wish to give permissions
  7. Click on OK


3. Exporting the mailbox data to PST


First, make sure that you are logged into EAC as the user that you just gave import / export permissions to. Now we need to find the user who we are going to be exporting to PST, click the ellipses (the 3 dots) next to that user and select Export to a PST file from the drop down. 



Now you have an option to export the contents of the mailbox or the contents of the archive. Select the one you want, if you want both you will have to submit two separate jobs. 



Next fill in the path of the share that you created before, also give the PST file a name. 



And finally, select a user whom you wish to notify when the job completes. 



You will be notified when the job starts, completes or fails



Once the job has finished the PST file will appear in the share that you created!


The manual Exchange Recovery process is so complicated that only a technical expert who was worked extensively on Exchange server can perform the whole procedure. A normal user will find this method quite hard to follow and that is where Exchange Recovery tool comes to the rescue. It is specially developed to assist user in performing EDB to PST conversion within minutes. It has a highly user friendly GUI which make even a novice Exchange user to complete whole procedure in three simple steps.

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Expert Comment

by:Olaf Burch
Comment Utility
Completely helpful manual solution to export Exchange 2013 EDB mailbox to Outlook PST and users can take advantage from this article. If any case your problem does not solve then you can try third party tools like https://www.datarepairtools.com/edb-to-pst-converter.html
1
 

Expert Comment

by:Justin Morris
Comment Utility
EDB to PST Converter repairs corrupt or damaged Exchange EDB files and restores the mailboxes into Outlook PST file. You can easily view Mailbox data from the PST files using MS Outlook application. It supports MS Exchange Server Recovery for 2003, 2007, 2010 and 2013 corrupt and unmounted database.
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Kernel Data Recovery

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Kernel Data Recovery is a provider of high-end solutions for data recovery and email migrations. Most of its solutions are simple do-it-solutions that suite both technical and non-technical users. The company owns around 100 products and ensures complete customer satisfaction, transparency and 24 X 7 support.

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