Cant logon TS with Event ID 1219 and 40960

We have a Windows 2003 SBS and other two Terminal servers. today, No one cant logon the TS using RDC over the Internet or over VPN. When we try, we will receive this error: The system cannot log you on due to the following error: Access is denied.

No one is in the office this week. I can remote access to the SBS and then rebooted the TS remotely via Computer Management. I have rebooted all 3 servers (SBS and two TS). But still get the same error.

Through the Computer Management I collect these errors in the event viewer of the TS.
Event ID:      1219 -
Logon rejected for chicagotech\BobLin. Unable to obtain Terminal Server User Configuration. Error: Access is denied.
Event ID:      40960
The Security System detected an authentication error for the server LDAP/  The failure code from authentication protocol Kerberos was "There are currently no logon servers available to service the logon request.

any suggestions?
Who is Participating?
smith9069Connect With a Mentor Author Commented:
I fixed it. The details can be found this link:

Can't logon due to the following ...Posted: Sat Feb 14, 2009 3:05 pm Post subject: Can't logon due to the following error: Access is denied, Reply with quote ... 
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