Update: UMG Manager Tool Not Syncing with UCS

ITS identified a fix that will be implemented tomorrow, Saturday, August 15 during the maintenance window (5-7am). It is anticipated that UCS will be unavailable for approximately 10 minutes while this fix is applied. Any mail queued will be processed as soon as the service is back online.

More information: Update: UMG Manager Tool Not Syncing with UCS

Story added 14. August 2015, content source with full text you can find at link above.