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Authentication level

Updated: February 4, 2010

Applies To: Windows Server 2008 R2

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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