Veeam Backup for Microsoft 365 • Re: Processing archive mailbox XXXX completed with warning: Mailbox XXXX is already processed by another job

Joining the fray with the error message "Mailbox is not fully configured", which started in our daily Archive jobs on 16-OCT-2025, but on Veeam Data Cloud Microsoft 365.

Statistics: Posted by Pronoxis — Oct 21, 2025 2:32 pm

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