Saturday, February 25, 2012

Problems with authentication

I'm having trouble getting 2 servers to be able to use nt authentication to access the port mirroring is running on. Right now it keeps trying to log on as "nt authority\anonymous logon". Both the servers have their services running as the same domain user account and I don't have any problems getting sql to use the account on activities like ad hoc backups. The accounts are local admins on the machines so there shouldn't be a security problem. Weird thing is that we've had it happen in 2 separate environments. Any tips would be helpful.

The fact that the authentication ends up as the Anonymous account indicate a NTLM/Kerberos configuration problem, not an endpoint configuration problem. I recommend you folow the Kerberos troubleshooting guidelines: http://www.microsoft.com/technet/prodtechnol/windowsserver2003/technologies/security/tkerberr.mspx

HTH,
~ Remus

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