Symantec Data Loss Prevention 15.0 Maintenance Pack 1 contains an issue in which Agent Events are excessively duplicated, and which "flood" the DLP database. All Endpoint Prevent deployments are potentially affected.
To address this issue, Symantec has published a hot fix, available through the Downloads page.
To fix the Agent Events replication issue, all Endpoint Prevent customers who upgrade to Data Loss Prevention 15.0 MP1 should do the following as soon as possible:
Agent event cleanup after applying public hot fix 15.0.0102.01001 (for DLP 15.0 MP1)