We have a problem with our Certificate Authority, it deletes its own Computer Certificate day-by-day. I implement a WPA wireless security via RADIUS standard with using that computer. So everyday I have to renew computer certificate. When I check Event viewer, three logs are shown as :
Source : IAS Event ID : 3
Access request for user User1 was discarded. Fully-Qualified-User-Name = domain.com/Users/User1 NAS-IP-Address = 192.168.0.66 NAS-Identifier = Wireless Called-Station-Identifier = 001d.45d3.4190 Calling-Station-Identifier = 0023.df15.1483 Client-Friendly-Name = Wireless Client-IP-Address = 192.168.0.66 NAS-Port-Type = Wireless - IEEE 802.11 NAS-Port = 5113 Proxy-Policy-Name = Use Windows authentication for all users Authentication-Provider = Windows
Authentication-Server = Reason-Code = 23 Reason = Unexpected error. Possible error in server or client configuration.Source : IAS Event ID : 20168
Could not retrieve the Remote Access Server's certificate due to the following error: Cannot find object or property.
Source : IAS Event ID : 20168
Because no certificate has been configured for clients dialing in with EAP-TLS, a default certificate is being sent to user Domain\User1. Please go to the user's Remote Access Policy and configure the Extensible Authentication Protocol (EAP).
What could cause the problem?