Option 1 Enter the command: Dism /online /Enable-Feature /FeatureName:WindowsServerBackupSnapin /All This command also allows you to restore the functionality of other services without having to reinstall the entire operating system. Option 2 If the previous method did not help, at the command line type: wbadmin delete catalog Option 3 There might also be a problem with the framework, do: sfc /scannow and restart the server.