CmdID

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Set-RDSessionHost

Configures one or more RD Session Host servers in a session collection. Windows Server PowerShell reference

From the Windows Server PowerShell reference 3 parameters Its page in the reference

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Parameters

3 in the Windows Server PowerShell reference
-ConnectionBrokerSpecifies the Remote Desktop Connection Broker (RD Connection Broker) server for this Remote Desktop deployment.
-NewConnectionAllowedDetermines whether the RD Session Host servers specified by the SessionHost parameter can accept new connections.
-SessionHostSpecifies an array that contains the fully qualified domain name (FQDN) of one or more RD Session Host servers that you configure.