Greeting!
Tape backup is not running in DPM below error facing.
Status:Backup to tape failed
Disk allocation:Replica volume (co-located): 10.00 GB allocated, 6.30 GB used
Recovery point volume (co-located): 24.57 GB allocated, 4.72 GB used
(ID 30164 Details: Internal error code: 0x80990D15)
If the data source protected has some dependent data sources (like a SharePoint Farm), then click on the Error Details to view the list of dependent data sources for which recovery point creation failed. (ID 3114)Thanks & Regards,
Abdul latheef