When Symantec Critical System Protection (SCSP) agents are uninstalled then reinstalled on the same client machine, the SCSP agent will register with the SCSP Management Server as a separate entry resulting in multiple entries of the same agent to appear on the SCSP Management Console.
Screen shot of multiple agent entries on the Management Console.
Multiple agent entries appear on the Management Console
This issue is scheduled to be addressed in the future SCSP 5.2 RU9 GA
See Article URL below on 'How to enable duplicate agent registration on the Symantec Critical System Protection (SCSP) Management Console in SCSP 5.2.9'