A Symantec Endpoint Protection client’s deployment status in the Symantec Endpoint Protection Manager (SEPM) displays “uninstall successful” after the SEP client uninstallation rolls back.
This problem is fixed in Symantec Endpoint Protection 12.1 Release Update 3 (12.1 RU3). For information on how to obtain the latest build of Symantec Endpoint Protection, read ‘Obtaining the latest version of Symantec Endpoint Protection or Symantec Network Access Control’