Disaster Recovery

Disaster Recovery is the planning for and creation of policies and procedures related to the resumption or continuation of an organization's functions following a catastrophic event. The term is most frequently used in relation to failure of networks, but DR preparations also include other business systems and personnel considerations.

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Organisation is organized in a pattern to flow the day to day business, every application and system is interdepended on each other and when very important “Exchange Server downtime” happened.
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There’s hardly a doubt that Business Communication is indispensable for both enterprises and small businesses, and if there is an email system outage owing to Exchange server failure, it definitely results in loss of productivity.
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The Exchange database may sometimes fail to mount owing to various technical reasons. A dismounted EDB file can be the source of many Exchange errors including mailbox inaccessibility for users. Resolving the root cause of mounting problems becomes imperative to bring the server back online.
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What is the biggest problem in managing an exchange environment today? It is the lack of backups, disaster recovery (DR) plan, testing of the DR plan or believing that it won’t happen to us.
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There are literally thousands of Exchange recovery applications out there. So how do you end up picking one that’s ideal for your business & purpose? By carefully scouting the product’s features, the benefits it offers you, & reading ample reviews from people who are sailing in the same boat as you.
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Exchange database can often fail to mount thereby halting the work of all users connected to it. Finding out why database isn’t mounting is crucial and getting the server back online. Stellar Phoenix Mailbox Exchange Recovery is a champion product that can be used to fix all Exchange mounting errors
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Microsoft Jet database engine errors can crop up out of nowhere to disrupt the working of the Exchange server. Decoding why a particular error occurs goes a long way in determining the right solution for it.
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Among the most obnoxious of Exchange errors is error 1216 – Attached Database Mismatch error of the Jet Database Engine. When faced with this error, users may have to suffer from mailbox inaccessibility and in worst situations, permanent data loss.
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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.


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Expert Comment

by:Marshal Hubs
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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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Steps to fix error: “Couldn’t mount the database that you specified. Specified database: HU-DB; Error code: An Active Manager operation fail”
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Eseutil Hard Recovery is part of exchange tool and ensures Exchange mailbox data recovery when mailbox gets corrupt due to some problem on Exchange server.
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Stellar Exchange Toolkit: this 5 in 1 toolkit comes loaded with mega-software tool. Here’s an introduction to tools’ usage and advantages:
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Steps to fix “Unable to mount database. (hr=0x80004005, ec=1108)”.
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Here in this article, you will get a step by step guidance on how to restore an Exchange database to a recovery database. Get a brief on Recovery Database and how it can be used to restore Exchange database in this section!
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Expert Comment

by:Michael foran
Comment Utility
D,not worry if your EDB file got corrupted due to some reason I would suggest you must download Exchange Server Recovery from my site which successfully recover damage EDB file from exchange server and convert them into PST file and other new readable formats like MSG, EML, vCard, vCal, MBOX and EMLX and vCard with accurate data.  It shows its user preview of recovered mailboxes before conversion. It well works on all Exchange server versions 5.0, 5.5, 2000, 2003, 2007, 2010, 2013 and 2016.

More details visit:  free Exchange EDB Recovery tool
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The main intent of this article is to make you aware of ‘Exchange fail to mount’ error, its effects, causes, and solution.
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Want to know how to use Exchange Server Eseutil command? Go through this article as it gives you the know-how.
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Are you an Exchange administrator employed with an organization? And, have you encountered a corrupt Exchange database due to which you are not able to open its EDB file. This article will explain all the steps to repair corrupt Exchange database.
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Backups and Disaster RecoveryIn this post, we’ll look at strategies for backups and disaster recovery.
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When speed and performance are vital to revenue, companies must have complete confidence in their cloud environment.
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by:Mihai Corbuleac
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People should trust cloud with their businesses especially because its seems that Cloud is here to stay. Recently I read some interesting facts & figures and this industry is growing faster than expected.
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Many businesses neglect disaster recovery and treat it as an after-thought. I can tell you first hand that data will be lost, hard drives die, servers will be hacked, and careless (or malicious) employees can ruin your data.
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by:Mahima Gupta
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Hi Virat!

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Disaster Recovery

Disaster Recovery is the planning for and creation of policies and procedures related to the resumption or continuation of an organization's functions following a catastrophic event. The term is most frequently used in relation to failure of networks, but DR preparations also include other business systems and personnel considerations.

Vendor Experts

Naveen SharmaKernel Data Recovery Learn more about Kernel Data Recovery
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