When manually stopping the service SMSMSE the following error message is displayed:
Error 1053: The service did not respond to the start or control request...
If the SAVFMSESJM.exe process is enumerating when the SMSMSE service is stopping the SAVFMSESJM.exe process does not check if the service is stopping and continues enumerating mailboxes and public folders. The SAVFMSESJM.exe process does not stop and causes the SMSMSE service to get hung in a stopping state.
This problem is fixed in Symantec Mail Security 6.0.10 for Microsoft Exchange and later, including version 6.5. To learn how to obtain the latest version, read Where to download the latest version of Symantec Mail Security for Microsoft Exchange.