The following message is logged in TPAM Alert Logs:
Database job: PurgeAllSessions failed, ElapseTime: 0, Message: Transaction (Process ID 66) was deadlocked on lock resources with another process and has been chose.
Monitor the AlertsLogs and check to see if the message is thrown more than once.
If the message is thrown just once, over a 7 day period, then this can be safely ignored. Multiple processes are running at anyone time, and this message is just notifying the TPAM admins that their was a deadlock where files were in use at the time a purge job was scheduled to run.
If the message continues to be trigger then please create a full support bundle and send to One Identity Technical support for review.