You can test connection strings for an instance of the Unity Scheduler Service using the /testconnect command line. The /testconnect command line will verify if a connection string is connecting to a valid data source, is configured correctly, or if the login credentials are valid. The command prompt must be run under Administrative privileges.
The following is an example of the command line:
"[path]\Hyland.Core.Scheduler.NTService.exe" /testconnect