Archive(s) of active mailbox(s) getting disabled unexpectedly after alias is deleted

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Article ID: 100053733

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Updated On:

Description

Error Message

No error message is seen.

Cause

This happens when the email address of a recently deleted mailbox is added as an alias on the affected mailbox in Office 365. The O365 sync will disable the Veritas Alta Archiving account configured with this alias.  

Resolution

Either remove the deleted mailbox's email address as an alias on the affected Veritas Alta Archiving account, or force delete the deleted address from the Recycle Bin of Office 365.

List of all the deleted users can be found by connecting to the MsolService via PowerShell and running the below cmdlet.

Get-MsolUser -ReturnDeletedUsers 

Once the deleted user, which has been added to an active mailbox is identified, the below cmdlet can be used to permanently delete it. 

Remove-MsolUser -UserPrincipalName johndoe@democloud.com -RemoveFromRecycleBin

After permanently deleting the user, a Clean Sync should be initiated using the Veritas Office 365 Sync to enable the incorrectly disabled archive. 

Issue/Introduction

Archive(s) of active mailbox(s) getting disabled unexpectedly after alias is deleted.