regback Copy is Not Working (Error 0x80070032)If you have tried to use the regback command (specifically reg.exe backup) or the legacy "Backup Registry" function in Windows, you may have encountered a frustrating issue: the command runs, but the backup folder is empty, or you receive an error stating that the "backup copy is not working."
If your "RegBack" copy isn't working, it is likely because Microsoft disabled automatic registry backups by default starting in Windows 10, version 1803 Microsoft Learn . When you navigate to \Windows\System32\config\RegBack , you will see registry hive files with a size of , making them useless for manual recovery Microsoft Learn Why this happens regback copy not working
reg save HKLM\SAM D:\RegistryBackup\SAM
reg save HKLM\SECURITY D:\RegistryBackup\SECURITY
reg save HKLM\SOFTWARE D:\RegistryBackup\SOFTWARE
reg save HKLM\SYSTEM D:\RegistryBackup\SYSTEM
reg save HKLM\BCD00000000 D:\RegistryBackup\BCD
reg save HKCU\DEFAULT D:\RegistryBackup\DEFAULT
Once you have confirmed that RegBack copy is working (files are non-zero and recent), here is how to perform a full registry restore—useful if your system is unbootable. Troubleshooting Guide: Why regback Copy is Not Working
According to official documentation from Microsoft, the legacy automatic registry backup was replaced by System Restore points. Microsoft recommends using these restore points to recover a system with a corrupt registry hive rather than relying on the manual "copy and paste" method from the RegBack folder. How to Re-enable Automatic RegBack Copies How to Restore Registry from RegBack Copy (When
Solutions to REGEDIT Backup Copy Not Working: