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Knowledge Document: Retain has stopped archiving Exchange/O365 mailboxes

Caroline Oest
 
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Retain is unable to archive Exchange/O365 mailboxes.

Products

Retain Unified Archiving

Environment

Retain Unified Archiving
SLES 12
SLES15
Exchange
Office 365

Situation

Retain stopped archiving Exchange/O365 mailboxes.  Using the Test Connection option in the Exchange or O365 module configured in Retain returned the error: 
"Unknown Host: login.microsoftonline.com"

Cause

AppArmor prevented services that rely on DNS from reading the /etc/resolv.conf file.
Find resolution on support portal here

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