https://login.veeam.com/en/oauth?client_id=nXojRrypJ8&redirect_uri=https%3A%2F%2Fwww.veeam.com%2Fservices%2Fauthentication%2Fredirect_url&response_type=code&scope=profile&state=eyJmaW5hbFJlZGlyZWN0TG9jYXRpb24iOiJodHRwczovL3d3dy52ZWVhbS5jb20va2IyMzMxIiwiaGFzaCI6ImI0YTE4NmY3LTMwMDUtNDdjNS1iOTQ1LWUwNDM1OTJjOTE1YSJ9
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Invalid Exchange Server version

KB ID: 2331
Product: Veeam Backup for Microsoft Office 365
Version: 1.0.0.912
Published: 2017-09-01
Last Modified: 2020-08-13

Challenge

Backup jobs in Veeam Backup for Microsoft Office 365 fail with the following error:

[Timestamp]   14 (5696)   No folder hierarchy changes
[Timestamp]   14 (5696) Preparing folders for items processing...
[Timestamp]   14 (5696) Error: Invalid Exchange Server version
[Timestamp]   14 (5696) Stack:
[Timestamp]   14 (5696)    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)
[Timestamp]   14 (5696) Mailbox processing failed: user@domain.com


 

Cause

This is a known issue in Veeam Backup for Microsoft Office 365 version 1.0.0.912.

Solution

Click here to download an update to resolve this issue.

More information

If you need help opening a support case, please click here.
KB ID: 2331
Product: Veeam Backup for Microsoft Office 365
Version: 1.0.0.912
Published: 2017-09-01
Last Modified: 2020-08-13

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