Specifies whether the PC can use the hibernation sleep state (S4) when started from a Windows To Go workspace. If you enable this setting, Windows, when started from a Windows To Go workspace, can hibernate the PC. If you disable or don't configure this setting, Windows, when started from a Windows To Go workspace, can't hibernate the PC. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Portable Operating System!Allow hibernate (S4) when starting from a Windows To Go workspace (2) REG: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem!Hibernate