CmdID / PowerShell / Cmdlets / Hide
Hide-WmsIdentifier
Hides the identification window for a station or session. Windows Server PowerShell reference
From the Windows Server PowerShell reference 6 parameters Its page in the reference
Parameters
-AllIndicates that this operation applies to all sessions on the target host.-Confirm, -cfPrompts you for confirmation before running the cmdlet.-Server, -ComputerNameSpecifies the fully qualified host name of the MultiPoint Server that is the target of the command.-SessionIdSpecifies an array of session IDs.-StationIdSpecifies an array of station IDs.-WhatIf, -wiShows what would happen if the cmdlet runs.