When attempting to retrieve a suspicious file from an Endpoint Protection client, the Endpoint Protection Manager (SEPM) REST API returns an HTTP 500 Internal Server error. This issue is specific to clients in the following scenario:
2019-05-28 13:56:12,234 [http-apr-0.0.0.0-8446-exec-9] ERROR c.s.s.s.c.e.h.GlobalControllerExceptionHandler - EXCEPTION: com.symantec.sepm.server.module.client.command.createCommandByHardwareKey (batch index #2) failed. 1 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Violation of PRIMARY KEY constraint 'PK_COMMAND'. Cannot insert duplicate key in object 'dbo.COMMAND'. The duplicate key value is (633F6276B08F431F0B86B2D02A7ABAC7, EC71DA459B064B51908F607D1A857FF2).
This issue is resolved in 14.2.5280.2000 (RU2) and newer. For information on how to obtain the latest build of Symantec Endpoint Protection, see: Download Symantec software, tools, and patches.