When running the SMTP Queue Report it displays N/A for the Status for Number of Queued Messages.
WORKAROUND:
None.
STATUS:
Waiting for fix in a future release of Spotlight on Exchange.
This issue will be resolved in Spotlight on Exchange 5.3 which you will find here when released (http://support.quest.com/Portal/Logon.asp?ReturnURL=/support_download/Downloads.asp).