To resolve the issue:
- Restart the Manager service and SQL service.
- Make sure it is connected to the database.
- Upgrade to Mobile Security for Enterprise Patch 1321.
- Restart the machine.
If the issue persists and the warning "Error type: 10021" appears, do the following:
- Open the SQL studio.
- Execute the following command:
delete from CommandQueue where (CmdStatus in (4,8,16))
It will delete all commands under the "successful", "failed", and "cancelled" statuses.
- Wait for the process to finish.
- Once done, restart the Manager service and SQL service.