Hi @Philip Goudeau ,
Welcome to Microsoft Q&A.
I'd suggest 2 ways of replacing system hive to fix the no boot issue.
Way 1 : You can try boot into Last Known Good Configuration and then load hive.
- Force the machine to reboot --> keep pressing F8 --> into Advanced Boot Options --> select Last Known Good Configuration.
- Run regedit --> must click on the HKEY_LOCAL_MACHINE first , and then click file --> load Hive
- The system hive is in system driver (as C:\ or D:\ in WinPE or WinRE), the file is windows\system32\config\system
give the hive file a name as you like when load the hive - Restart to test if it boots up normally
Way 2 : You can replace the registry HIVE file in WinPE / WinRE using command prompt
- Boot from repair mode (or with WINPE) . Open CMD
- Go to \windows\system32\config (maybe C:\ or D:)
- Backup the current system/software:
Ren system system_backup
Ren Software Software_backup - Replace the system / software hive by:
Copy C:\windows\system32\config\regback\software C:\windows\system32\config\software
Copy C:\windows\system32\config\regback\system C:\windows\system32\config\system - Restart the server.
Best regards,
Molly
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