Forum Discussion

Copper Contributor

Sep 05, 2021

Using FFU Imaging; after Optimize-FFU it no longer works

Hi, I installed a fresh copy of Windows Home v21H1. In audit mode, I ran installed all the Windows Updates and then ran System Prep with "System Cleanup Action > Enter System Audit mode" and shutd...

Copper Contributor

Jul 19, 2024

Emmitt_ehcmke

Hi,

sorry for my poor english, but i confirm your answer.

Dism /optimize use the directory %USERPROFILE%\AppData\Local\Temp and mount a temporary file _ffumountxxxxxxxxx.vhd, so you must have the capacity disk to perform this command correctly !.

Sometime, there is an echec and this ffu file is locked by another process, you can reboot your machine to release the handle and check, you must check registry for an eventual persist variable.

I have another post at this link for more details:

https://learn.microsoft.com/en-us/answers/questions/540448/using-ffu-imaging-after-optimize-ffu-it-no-longer

Thanks and regards

Dede333

Copper Contributor

Jul 19, 2024

Dede333

hi,

just for information on dism.log:

DISM DISM FFU Provider: Session Registry Path has already been used.

DISM DISM FFU Provider: FfuMountImage#206 failed with 0x800700b7.

DISM DISM FFU Provider: Successfully written the session info to HKEY\SOFTWARE\Microsoft\DISM\Mounted FFUs\