Unable to Install Windows Server Backup Feature - 0x80073701

[coberto]

Hey All,

I am unable to install the windows backup feature through server manager.

Have tried DISM repair, online, removing the machine from WSUS etc.

SFC /scannnow shows no errors.

DISM & CBS log show :

2025-04-30 11:15:44, Info CBS Checking System Update Readiness.
2025-04-30 11:15:44, Info CBS
2025-04-30 11:15:44, Info CBS (p) CBS Catalog Missing Package_1466_for_KB5026362~31bf3856ad364e35~amd64~~10.0.1.12
2025-04-30 11:15:44, Info CBS Repair failed: Missing replacement mum/cat pair.
2025-04-30 11:15:44, Info CBS
2025-04-30 11:15:44, Info CBS Summary:
2025-04-30 11:15:44, Info CBS Operation: Detect and Repair
2025-04-30 11:15:44, Info CBS Operation result: 0x800f081f
2025-04-30 11:15:44, Info CBS Last Successful Step: Entire operation completes.
2025-04-30 11:15:44, Info CBS Total Detected Corruption: 1
2025-04-30 11:15:44, Info CBS CBS Manifest Corruption: 1
2025-04-30 11:15:44, Info CBS CBS Metadata Corruption: 0
2025-04-30 11:15:44, Info CBS CSI Manifest Corruption: 0
2025-04-30 11:15:44, Info CBS CSI Metadata Corruption: 0
2025-04-30 11:15:44, Info CBS CSI Payload Corruption: 0
2025-04-30 11:15:44, Info CBS Total Repaired Corruption: 0
2025-04-30 11:15:44, Info CBS CBS Manifest Repaired: 0
2025-04-30 11:15:44, Info CBS CSI Manifest Repaired: 0
2025-04-30 11:15:44, Info CBS CSI Payload Repaired: 0


I've tried installing the update, DISM repairing with the sources as the cab file extracted no prevail. Still fails.

DISM /Online /Cleanup-Image /RestoreHealth /Source:C:\Temp\KB5026362 /LimitAccess

I've attached CBS and DISM logs.

Any help would be awesome.

Thanks.

 

[Windows Update Bot]

Hi @coberto,

Welcome to Sysnative Forums!

If you haven't already, please review the posting instructions here, and attach the requested log files. Without log files, our helpers will not be able to assist, and this will slow down fixing your machine.

If logs have been already been provided, our team of volunteers will analyse the provided log files to build a fix for your system. Please be aware that this may take several days from your initial post, due to the high volume of threads that we receive.


- Sysnative Windows Update Team