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Authentication level

Updated: February 4, 2010

Applies To: Windows Server 2008

This setting determines what Remote Desktop Connection (RDC) should do when server authentication fails.

This setting corresponds to the selection in the If server authentication fails drop-down list on the Advanced tab under Options in RDC.

authentication level:i:<value>


Value Explanation


If server authentication fails, connect to the computer without warning (Connect and don’t warn me).


If server authentication fails, do not establish a connection (Do not connect).


If server authentication fails, show a warning and allow me to connect or refuse the connection (Warn me).


No authentication requirement is specified.

The default value is 3.

To require server authentication, type:

authentication level:i:1

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