When installing a Windows operating system (OS) on a hard drive, and if you use Windows Setup to create new partition on an MBR disk, Windows will create a system reserved partition, and if it is a GPT disk, then Windows will create a recovery partition and an EFI system partition without drive letter.Starting from Wind(and in all newer Windows 10 builds: 18), the task of automatically creating registry backups by default doesn’t work like before. Step 1: In the control panel, select the option of system and security. On the 'File Backup' window, you can choose the target files you want to backup. The backup gets stuck at 97% while 'creating system image. I have a couple of Windows Server 2012 VM's I need to backup.Backup the Server with Windows Server Backup.Question: Q: Backup session failed I'm tying to back up my iPhone 6 to my Windows 10 PC, but whenever I do, it tells me the backup session failed.To restore the Registry on Windows 10 manually, use these steps: Start PC with Advanced startup options.Windows Backup failed to get an exclusive lock on the EFI system partition (ESP).