.ost files delted when AAP is enabled

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Re: .ost files delted when AAP is enabled

Veeam Logoby stoal76 » Mon Sep 18, 2017 10:28 pm

Did Veeam ever have a solution for this problem, as we have just had it happen after moving a remote desktop server to a server 2016 Hyper-V host, and we have application aware processing enabled and are excluding OST files.
stoal76
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Re: .ost files delted when AAP is enabled

Veeam Logoby foggy » Wed Sep 20, 2017 2:13 pm

Hi Shane, as far as I can get from the support case notes, the recommendation given to OP was to contact MS with this. The case itself was closed due to no response from the customer, so I cannot check the outcome and recommend you to open your own case for verification.
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Re: .ost files delted when AAP is enabled

Veeam Logoby stoal76 » Sun Sep 24, 2017 11:32 pm

I have had the same response from the Veeam support ticket I created, I'm not sure I want to pay Microsoft for a support case when the issue is only occurring while we are using Veeam to backup the remote desktop server.

I would have thought Veeam support should be raising a case with Microsoft on this?
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Re: .ost files delted when AAP is enabled

Veeam Logoby foggy » Tue Sep 26, 2017 9:54 am

As far as I know, you do not have to pay for the case if it finds out that the issue is on their side (which is likely, as far as I can get).
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Re: .ost files delted when AAP is enabled

Veeam Logoby gmele » Fri Nov 17, 2017 3:11 pm

Hi,
we are having the same problem but context is a little different. We're running on a 2012 R2 Hyper-V virtual machine. We're using Outlook 365 and at approx 06:30 PM right after an SQL Server backup of all databases all user's cached Outlook data files (.OST) disappear. This means that the next morning there's going to be massive downloads of Outlook .OST files which will slow down the system for the entire morning.
During the night we run Veeam Agent for Windows 2.0 backups of our virtual machine (from within the VM). I checked registry settings for key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\BackupRestore\FilesNotToSnapshot\OutlookOst and I also have the following value: "$UserProfile$\AppData\Local\Microsoft\Outlook\*.ost".

Extensive Google searches have not yielded anyone else except Veeam users as having this issue. This leads me to suspect that just maybe Veeam is somehow modifying VSS behaviour and consequently provoking the deletion of the cached Outlook .OST files.

Any comments are welcome.

Thanks.
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