A Symantec Endpoint Protection Manager (SEPM) reports that a Client Health State is "Off-Line" in status, even though when inspecting the record in the client management section shows that "Last Time Status Changed" is within the defined intervals and definitions are current.
On the Symantec Endpoint Protection (SEP) client, the tray icon has a green dot. Within the client, under Help > Troubleshooting... > Server Connection Status, the client shows "Status: Connected."
When you issue commands to clients from the SEPM, the commands complete successfully.
Symantec Endpoint Protection Manager
The SEPM Embedded Database contains errors or fragmentation in the indexes.
Before proceeding, be sure to back up the database by going to Start > Symantec Endpoint Protection Manager > Database Back Up and Restore > Back Up, and follow the prompts.
With the SEPM open:
If your clients still do not show as online, contact Technical Support.