1. Run the Upgrade.bat file on the SEPM Symantec Endpoint Protection Manager Upgrade wizard does not run during migration install process.
2. checked if the GUP is recognized as a GUP the SharedUpdates folder in the client's SEP root folder (e.g., C:\Program Files\Symantec\
Symantec Endpoint Protection\SharedUpdates) Program Files X86 if 64 bit.
3. Is the client configured as GUP is listening on port 2967 (that's the default).
Also check the following:
HKEY_LOCAL_MACHINE\Software\Symantec\Symantec Endpoint Protection\LiveUpdate.
Check the settings for the following keys:
■ UseLiveUpdateServer
If this key is set to 1, the client uses an internal LiveUpdate server or Symantec
LiveUpdate directly.
■ UseManagementServer
If this key is set to 1, the client uses the management server.
■ UseMasterClient
If this key is set to 1, the client uses a group update provider
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