LS License server is crashing with error ''Application connection with the license server is invalid. Most likely the license server was stopped and then restarted.''

Symptom

The LS License server presents the following message before crashing:
"Application connection with the license server is invalid. Most likely the license server was stopped and then restarted."
 
The Event Viewer shows the following:
"login failed for User Lenel reason; failed to open the explicitly specified database...."

Resolution

Multiple licenses are still in the license folder even after they are deleted using License Administration.
To fix this issue:
  1. Deleted all licenses directly from the folder.
  2. Restart the License service.
  3. Install the license.

Applies To

OnGuard (All versions)

Additional Information