Windows Server 2012 R2 Boot Repair 2021 May 2026

This reverts to the last successful registry and driver configuration.

Windows Server 2012 R2 does not rely on the outdated "Last Known Good Configuration" method of older Windows versions. Instead, the primary tool is the . WinRE is loaded from the installation media (DVD or USB) or a dedicated recovery partition.

: Insert a Windows Server 2012 R2 DVD or bootable USB. Select your language, then click Repair your computer in the bottom-left corner of the setup screen.