Veeam.Archiver.Service terminates due to 'System.OutOfMemoryException' after updating to Veeam Backup for Microsoft 365 7.0.0.3968
Challenge
Veeam.Archiver.Service consumes all available virtual memory and then terminates.
The issue can be confirmed with the following Windows Events (System log):
Cause
Veeam Backup for Microsoft 365 7.0.0.3968 has been impacted with an issue on the server relating to the use of the Exchange Online PowerShell module leveraged in some service operations.
Solution
The issue is fixed in Veeam Backup for Microsoft 365 7.0 P20231005 (7.0.0.4385) bringing a number of optimizations in EXO PowerShell v3 module calls.
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