Situation: The client has a problem to backup one of their servers using Barracuda Backup with this error: This may have been caused by a change to user settings or permissions at the data source or it may be that the target server is offline.
Troubleshooting: Run test software connection. It is successful. We fixed the problem by running these services: Background Intelligent Transfer Service, Barracuda Backup Agent, COM+Event System, Microsoft Software Shadow Copy Provider, Volume Shadow Copy services.