Invalid Exchange Server version

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Invalid Exchange Server version

Veeam Logoby m.novelli » Fri Aug 25, 2017 4:03 am 1 person likes this post

Hi guys, since a couple of days I'm getting this error on different tenants and different backup Servers:

Processing mailbox xxx failed with error: Invalid Exchange Server version

I'm running Veeam Backup for Office 365 release 1.0.0.912

This issue has been already reported to Veeam Support?

Thanks!

Marco
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Re: Invalid Exchange Server version

Veeam Logoby m.novelli » Fri Aug 25, 2017 4:06 am

Some more info from logs

8/25/2017 1:46:08 AM 13 (6196) Adding 1 mailboxes in processing...
8/25/2017 1:46:08 AM 13 (6196) Processing mailbox: xxx...
8/25/2017 1:46:08 AM 13 (6196) Connecting to Exchange Web Services...
8/25/2017 1:46:08 AM 13 (6196) Host: outlook.office365.com
8/25/2017 1:46:08 AM 13 (6196) Requesting folder hierarchy changes...
8/25/2017 1:46:09 AM 13 (6196) No folder hierarchy changes
8/25/2017 1:46:09 AM 13 (6196) Preparing folders for items processing...
8/25/2017 1:46:09 AM 13 (6196) Error: Invalid Exchange Server version
8/25/2017 1:46:09 AM 13 (6196) Stack:
8/25/2017 1:46:09 AM 13 (6196) at Veeam.Ews.ExServices.GetExchangeServerVersion()
at Veeam.Ews.ExServices.get_ExchangeServerVersion()
at Veeam.Archiver.Source.MailboxActivator.PrepareFolders(IMailboxContext bind, ExFolder top, ExcludedFolders excluded, CancellationToken cancel)
at Veeam.Archiver.Source.MailboxActivator.DoMailboxWork(CancellationToken cancel)
at Veeam.Archiver.Source.MailboxAction.DoWork(CancellationToken cancel)
8/25/2017 1:46:09 AM 13 (6196) Mailbox processing failed: xxx
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Re: Invalid Exchange Server version

Veeam Logoby Mike Resseler » Fri Aug 25, 2017 6:24 am

Marco,

Can you give us the support case number?

thanks
Mike
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Re: Invalid Exchange Server version

Veeam Logoby colshaw » Fri Aug 25, 2017 8:16 am

We are also experiencing this issue, started yesterday. Same log message and application version as OP. Not all mailboxes fail, yesterday we had 4 failed today we have 10.
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Re: Invalid Exchange Server version

Veeam Logoby Mike Resseler » Fri Aug 25, 2017 8:38 am

Colin,

Please create a support case! We need to find out what is happening

Thanks
Mike
(PS: Post the case ID and afterwards the outcome also)
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Re: Invalid Exchange Server version

Veeam Logoby colshaw » Fri Aug 25, 2017 8:42 am

case # 02291724.

Summary: Issue being discussed internally at Veeam with no current resolution.
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Re: Invalid Exchange Server version

Veeam Logoby m.novelli » Fri Aug 25, 2017 8:51 am

Hi guys, my case ID is  #02291747
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Re: Invalid Exchange Server version

Veeam Logoby gbeach » Fri Aug 25, 2017 9:42 am

Same issue here Case ID # 02291648
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Re: Invalid Exchange Server version

Veeam Logoby Mike Resseler » Fri Aug 25, 2017 9:52 am

Thanks Gary, and welcome to the forums!
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Re: Invalid Exchange Server version

Veeam Logoby jonsibar » Fri Aug 25, 2017 11:38 am

Same issue - Case # 02291766
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Re: Invalid Exchange Server version

Veeam Logoby Kane » Sun Aug 27, 2017 3:38 am

Same issue mine slowly got worse and now none of my boxes are backing up. I have not opened a case yet.

Thanks,

Kane
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Re: Invalid Exchange Server version

Veeam Logoby Kane » Sun Aug 27, 2017 3:55 am

Same issue Case #02293191.
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Re: Invalid Exchange Server version

Veeam Logoby Kostya » Sun Aug 27, 2017 6:52 pm 3 people like this post

Hi All, it looks like the version of backend Exchange servers in Office 365 has been quietly changed by Microsoft. Dev team is aware of this issue and is working towards the resolution.
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Re: Invalid Exchange Server version

Veeam Logoby Pedro Ferreira » Tue Aug 29, 2017 8:38 am 1 person likes this post

I have the same issue with 2 clients.

When there is a solution, leave it here please.

Thanks,

Pedro
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Re: Invalid Exchange Server version

Veeam Logoby robbys » Tue Aug 29, 2017 11:16 am 1 person likes this post

Ditto!
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