Fix for Error 0x80780049, Backup ID 517

KB 2918371 describes the following issue with Windows Server Backup 2012:

• Environment: a Windows Server 2012 Hyper-V host and a Windows Server 2012 guest virtual machine (VM).
• Open Windows Server Backup on the host operating system.
• Select Backup Schedule to start the backup schedule wizard and then click Next.
• Click Custom on the Select Backup Configuration tab and then click Next.
• Select Add Items, select the host component and the guest VM, and then complete the wizard.
• Restart the host operating system.

You could try to fix the issue by downloading the hotfix at:
https://support.microsoft.com/kb/2918371

To our knowledge, the above bug affects only Microsoft’s own software.

Alternatively, download BackupChain Hyper-V Backup and back up your virtual machines using BackupChain.

It installs on Windows Server 2008, 2012 / R2, as well as Windows 8 and offers dozens of additional backup features, such as incremental / differential deduplication, granular backups, granular restores, NAS and USB backups, and much more.