When a replication partner is removed and a new replication partner with the same site name is added, Symantec Endpoint Protection Manager (SEPM) does not correctly purge obsolete items. These obsolete items accumulate over time and result in out of memory issues.
Not purging obsolete items correctly.
SEP 12.1
This issue is resolved in Symantec Endpoint Protection (SEP) 14. For more information on upgrading, please see Upgrade or migrate to Endpoint Protection 14