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NPS Server Communication

Updated: February 21, 2008

Applies To: Windows Server 2008

Network Policy Server (NPS) must be able to communicate with configured RADIUS clients in order to receive and process connection requests.

Events

Event ID Source Message

15

NPS

A malformed RADIUS message was received from client %1. The data is the RADIUS message.

16

NPS

A RADIUS message with the Code field set to %1, which is not valid, was received on port %2 from RADIUS client %3. Valid values of the RADIUS Code field are documented in RFC 2865.

17

NPS

An Access-Request message was received from RADIUS client %1 without a message authenticator attribute when a message authenticator attribute is required. Verify the configuration of the RADIUS client in the Network Policy Server snap-in (the "Client must always send the message authenticator attribute in the request" checkbox) and the configuration of the network access server.

18

NPS

An Access-Request message was received from RADIUS client %1 with a message authenticator attribute that is not valid.

19

NPS

An Access-Request message was received from RADIUS client %1 with an Extensible Authentication Protocol (EAP) message but no message authenticator attribute.

20

NPS

An attribute in the response to RADIUS client %1 exceeds the maximum RADIUS attribute length. The data is the RADIUS attribute type. For more information on the RADIUS attribute type, see RFC 2865 and http://www.isi.edu/in-notes/iana/assignments/radius-types.

Related Management Information

NPS RADIUS Server

Network Policy Server Infrastructure

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