Fix for System File Checker Error 0×000006ba RPC Server Is Unavailable

When you attempt to run the System File Checker (sfc.exe /scannow command) to restore missing or corrupted system files, the following error message may be seen:

Windows File Protection could not be initiate a scan of protected system files.

The specific code is 0×000006ba [The RPC Server is unavailable.]

This happens if the Windows File Protection (WFP) is disabled in the registry.

Editor’s Note: If you’ve used nLite to build custom Windows installation package, you may have enabled the Disable SFC (File Protection) checkbox, which disables WFP and the System File Checker.

Enable the System File Checker

Use the following steps to re-enable WFP.

1. Click Start, Run. Type Regedit.exe and press ENTER.

2. Navigate to the following branch:

HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon

3. Double-click SFCDisable and set its Value data to 0

4. Exit the Registry Editor and restart Windows.