shadow
Enables you to remotely control an active session of another user on a Remote Desktop Session Host server. Windows commands reference
On Windows
Windows
shadow {<sessionname> | <sessionID>} [/server:<servername>] [/v]
To shadow session 93, type
shadow 93IdentifyTo shadow the session ACCTG01, type
shadow ACCTG01Identify<sessionname>Specifies the name of the session that you want to remotely control.<sessionID>Specifies the ID of the session that you want to remotely control. Use query user to display the list of sessions and their session IDs./server:<servername>Specifies the Remote Desktop Session Host server containing the session that you want to remotely control. By default, the current Remote Desktop Session Host4 server is used./vDisplays information about the actions being performed./?Displays help at the command prompt.