Answer
PROBLEM
The following error appears in event logs:
Event ID 9999
Plugin LogScheduler reports exception.
ERROR.Logging.CriticalFailureRequireReload.
Additional info: Failed to enumerate directory, err: 267
ENVIRONMENT
- GFI Archiver
- All supported environments
SOLUTION
- Check that the folder exists: ..\GFI\Archiver\Core\Queue
- If the folder does not exist, create it and restart the GFI Archiver services
CAUSE
The mentioned folder is not accessible.