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Radius request to Active Directory Domain Controller running Network Policy Server suddenly stopped working

Radius request to Active Directory Domain Controller running Network Policy Server suddenly stopped working

Mattias_Anderss
New Contributor
We have a V2110 Controller set up to do authentication with RADIUS to our AD server using MSCHAP v2. But it suddenly stopped working.
In the log on the AD server I can see this many times in application log:
Negotiation failed. No available eap methods.
It never appeared before it was working and now it's showing that error a few times every minute.
I tried duplicating the Network Policy, disabling the old one and renaming the new one to the old ones name. But no luck.
Anyone else bump in to this?

10 REPLIES 10

Doug
Extreme Employee
Do you have a connection request policy configured? Check that first, are you keying off of anything specific in the policy?
Doug Hyde
Director, Technical Support / Extreme Networks
GTM-P2G8KFN