Category: Uncategorized

This morning one of my customers had issues with clients using 802.1x authentication to connect to the network. Symptoms On our NPS server all of our clients were generating these log entries: EventID 6273 Network Policy Server denied access to a user<Data Name=”CalledStationID”>xx-xx-xx-xx-xx-xx</Data><Data Name=”CallingStationID”>xx-xx-xx-xx-xx-xx</Data><Data Name=”NASIPv4Address”>10.xx.xx.xx</Data><Data Name=”NASIPv6Address”>-</Data><Data Name=”NASIdentifier”>xxxxxx</Data><Data Name=”NASPortType”>Ethernet</Data><Data Name=”NASPort”>3</Data><Data Name=”ClientName”>Network-Management</Data><Data Name=”ClientIPAddress”>10.xx.xx.xx</Data><Data Name=”ProxyPolicyName”>Use Windows authentication for…