Solved

PST considerations for O365

Posted on 2014-03-26
4
278 Views
Last Modified: 2014-03-31
I'm engaged in a hybrid Exchange 2010 migration. One point of conjecture is what to do about user PST files. No mailboxes have been migrated to the cloud as of yet. I suggest running the PST Capture Tool and ultimately importing PST data into the users' archive mailboxes, either pre or post migration depending on the amount of data an individual has overall. Some colleagues of mine seem to think that the users should be able to keep their PST files and continue to use them without difficulty. I guess I really have 2 questions:

1. Can users with mailboxes in O365 continue to use PST files on their local hard drive?
2. Wouldn't they run the risk of corrupting those PST files if they were to try and move data between them and their mailbox (i.e., across the WAN)?

I'm aware of all the reasons for ridding ourselves of PST files altogether, but that's a separate discussion.
0
Comment
Question by:jcb431
  • 2
  • 2
4 Comments
 
LVL 6

Expert Comment

by:rick81
ID: 39955314
in answer to your questions.

1.  Yes.  The pst file is a simple data file.  It can remain on the local drive in conjunction with the office365 account.

2.  If exchanged is in cached mode moving data between the exchange account and pst account will be fine.  Depending on your link speed you may want the users to move mail across in stages, or only important mail.  or not move it at all and leave mail from the previous system in the pst files.
0
 

Author Comment

by:jcb431
ID: 39956231
Thank you for that. I need clarity on these points:

(We're using cached mode) If the user is moving data from the Exchange account to their PST then it should be fine because the data is actually moving from the locally cached OST file to the PST file, correct?

Moving data from the PST to the Exchange account however moves data directly to the database in the cloud first, then that data is synchronized downstream to the OST file? In other words, it does not go PST > OST > Cloud. Instead it goes PST > Cloud > OST, correct?
0
 
LVL 6

Accepted Solution

by:
rick81 earned 500 total points
ID: 39957724
'(We're using cached mode) If the user is moving data from the Exchange account to their PST then it should be fine because the data is actually moving from the locally cached OST file to the PST file, correct?'

YES

'Moving data from the PST to the Exchange account however moves data directly to the database in the cloud first, then that data is synchronized downstream to the OST file? In other words, it does not go PST > OST > Cloud. Instead it goes PST > Cloud > OST, correct?'

I'm not 100% on this one but
I believe this will go pst > ost > then cloud.  the ost file syncs with the cloud as well as cloud syncing with ost.  as you are moving mail locally it will update the ost first.
you could test this to be sure.  keep any eye on your ost file size and OWA and move some emails around.  see what updates first.

overall this should be too much of a concern.  worst case import the pst file or have users drag and drop important emails into the main mailbox.
0
 

Author Closing Comment

by:jcb431
ID: 39967213
Thank you.
0

Featured Post

Swamped with email signature updates?

Have you been given a load of changes to make to your users’ email signatures? Having to manually implement multiple signatures for every department? Let Exclaimer save you from being swamped with email signature updates!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Migrate away from Mimecast 7 158
Thunderbird popup prevents me from using mail 11 86
Excel - repeat entries until a fixed number is reached. 9 65
E-mail DNS SPF records 7 56
Microsoft Outlook provides an easy way to recover permanently deleted items. When you empty the Deleted Items or simply deleted an Outlook data items using shift+Del key then it can be recovered using Registry Key settings.  Caution- Wrong Registry…
How can MDaemon MRK files and MSG files work together? We can also say that, how worldclient and Outlook connecter works, using both application collectively you can view your mails, contacts, calendar, task, notes. In this article you can unders…
The purpose of this video is to demonstrate how to set up an account with Mailchimp. This will be demonstrated using a Windows 8 PC. Tools Used are: Mailchimp.com Go to Mailchimp.com : Enter an Email, Username, and Password. Click Create My Acco…
Internet Business Fax to Email Made Easy - With eFax Corporate (http://www.enterprise.efax.com), you'll receive a dedicated online fax number, which is used the same way as a typical analog fax number. You'll receive secure faxes in your email, fr…

911 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

21 Experts available now in Live!

Get 1:1 Help Now