Error 266 with Network Policy Server (NPS)

Summary

Customer came with a Query, When the client is trying to authenticate with the NPS server it troughs the error 266.

Question

Getting error 266 on my Network Policy Server (NPS)

Workaround

Error 266
NPS received a message that was either unexpected or incorrectly formatted. NPS discarded the message for this reason.

Resolution

"266  NPS received a message that was either unexpected or incorrectly formatted. NPS discarded the message for this reason."

The error 266 will occur if there are many unused root certificates in the server.


Trouble Shooting Steps:

Delete the unused Root certificates from  the server.It worked after deleting  all the unused certificates on the server.

For more information on this please visit 


http://social.technet.microsoft.com/Forums/en-US/winserverNAP/thread/cd2d5bc8-e89b-474e-a66f-007f20d93a8a/

Article Number:
000002134

Updated:
January 11, 2014 01:57 PM (about 10 years ago)

Tags:
Troubleshooting, Known Issues and Workarounds

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