NPS Audit

hello,

we had issue (win 2008 r2 ) , wireless clients stopped authenticating through nps/radious server, turned certificate has been chabged on wireless policy.

nps errors logged.

reason code:   16
reason:    authentication failed due user credentials mismatch. either user name provided not map existing user account or password incorrect.

could please let me know , there log records change of certificate on nps server?

thank you

hi,

if certificate changed, might unbinding port. may confirm event(warning) event viewer:
source: httpevent, event id: 15300 , 15301. 

event id 15300 — http service ssl auditing
https://technet.microsoft.com/en-us/library/cc736054%28v=ws.10%29.aspx

event id 15301 — http service ssl auditing
https://technet.microsoft.com/en-us/library/cc727876(v=ws.10).aspx

besides, recommend follow link below detailed steps verify cause:
https://technet.microsoft.com/en-us/library/cc735399%28v=ws.10%29.aspx

best regards,
eve wang      

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Windows Server  >  Network Infrastructure Servers