ERROR in Backup Windows Server

Can you tell me what this error means?
Backup failed Windows Backup failed to create the shared protection point on the source volumes The shadow copy provider had an unexpected error while trying to process the specified operation

[reply=“Andi;d2442”] See if anything in this post helps. If not, you may need to open a support case. Hard to diagnose VSS issues on the forum. https://www.msp360.com/resources/blog/troubleshooting-vss-volume-shadow-copy-issues/amp/

Thank you for your reply