Problems whith Radius NPS autentication

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  • Updated 2 years ago
Good afternoon friends , do not speak English very well , but I want to make a query , for two weeks to restart my dispostivos not been able to connect to an NPS RADIUS server running Windows Server 2012. In the event log server appears " You can not authenticate the client because the server can not process the type of extensible Authentication Protocol (EAP ) . "
Thank you
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Carlos Mario Narvaez De Aguas

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Posted 2 years ago

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Photo of Erik Gunnarsson

Erik Gunnarsson

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If you look in the Event Viewer, what EAP type does it say?
I've had some issue with EAP type = Null/Unknown.
This could be a issue with the packet-size of the EAP payload and can be fixed by lowering MTU size. I've had this issue on both 2008r2 and 2012 servers.
Have a look at this site for how to:
https://technet.microsoft.com/sv-se/library/cc771164%28v=ws.10%29.aspx
Photo of Carlos Mario Narvaez De Aguas

Carlos Mario Narvaez De Aguas

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thank you very much , I solved the problem , the solution was installed on the server service certificates AD as it says on page https://technet.microsoft.com/en-us/l... % 29.aspx ? f = 255 & MSPPError = -2147217396