If you happen to be using a SQL Sever or any other outside programs to access the ManEx DBFS files, check the current sessions and see if they are frozen in attempting to access the tables.  This will then leave the tables open all night and cause the Datamaintenance not to complete successfully.  This could additional cause Corrupt Table issues if not addressed.  It could also lead to the ManEx License to revert back to "Demo Mode" status.  If this happens you need to inform ManEx right away.

 

 

Suggested Solution : 

Create a backup script and make sure to include line of code that will kill all active sessions before starting the backup.  This way all users and/or software still connected will be kicked off of the system before Datamaintenance is scheduled to run.