AD log on problem for one user

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hi, user can't logon himself computer. , found log when check log on ad server. can logon when unplug computer , connect outlook. can't logon when plug ethernet cable. , read log on evetwiver ad server. 1. log : event id : 675 time : 14:15:05 pre-authentication failed: user name: bora user id: ybs\bora service name: krbtgt/tikle.com pre-authentication type: 0x2 failure code: 0x18 client address: 10.0.0.110 2. log : event id : 673 time : 14:15:01 service ticket request: user name: bora@tikle.com user domain: tikle.com service name: boramac$ service id: ybs\boramac$ ticket options: 0x50810000 ticket encryption type: 0x17 client address: 10.0.0.110 failure code: - logon guid: {fbb93854-a697-4ae0-680a-0d3de14e41a6} 3. log : event id: 672 time : 14:15:01 authentication ticket request: user name: bora supplied realm name: tikle.com user id: ybs\bora service name: krbtgt service id: ybs\krbtgt ticket options: 0x50000010 result code: - ticket encryption type: 0x17 pre-authentication type: 2 client address: 10.0.0.110 certificate issuer name: certificate serial number: certificate thumbprint:

reset password , try again

"failure code: 0x18"

pre-authentication failed; means bad password

http://www.windowsecurity.com/articles/kerberos-authentication-events.html



Windows Server  >  Directory Services



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