Regback Copy Not Working [hot] Online

A critical issue has been observed in Windows 10 (specifically versions 1803 and later) and Windows Server 2019/2022 where the traditional method of backing up the registry hive using the regback command (or relying on the RegBack folder) fails. Upon inspection, the %SystemRoot%\System32\config\RegBack directory returns a size of 0 bytes for all hive files. This paper outlines the root cause, diagnostics, and remediation steps to restore registry backup functionality.

However, many users now find that the , often discovering that the RegBack folder is entirely empty or its files have a size of 0 KB.

Right-click on an empty space in the right pane, select , and click DWORD (32-bit) Value . Name the new value EnablePeriodicalBackup . regback copy not working

– the registry was restored. File shares and applications came back online.

Once the registry key above is set, you can force a backup immediately: A critical issue has been observed in Windows

It was 2:00 PM on a Tuesday. Alex’s company file server (Windows Server 2016) had blue-screened overnight. After rebooting, users reported “access denied” on shared folders, and some applications failed to launch—classic signs of registry corruption.

If your PC won't boot and RegBack is empty, you must use alternative recovery methods: 1. Use System Restore However, many users now find that the ,

He saw a few old shadow copies. Good.

If your system is currently broken and the RegBack folder is empty, you cannot use it to fix your PC. Instead, use these alternative recovery methods. Method 1: Use System Restore