HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Windows -> WinRM -> Service -> WinRS # ShellTimeOut
The Administrative Template path is:
Windows Components -> Windows Remote Shell
Notes
* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Windows -> WinRM -> Service -> WinRS # ShellTimeOut
Windows Components -> Windows Remote Shell