This article was previously published under Q274801
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BUG #: 57801 (SQLBUG_70)
A SQL Server 7.0 client on Microsoft Windows 2000 attempts to initiate a Kerberos logon to the domain controller, which may fail. The client then attempts NTLM authentication, which causes an additional trip to the domain controller.
SQL Server 7.0 clients that authenticate against a Windows 2000 domain controller prompt the controller to perform a Kerberos logon. This logon is denied by the domain controller because it does not recognize a parameter that is passed by the client. The domain controller then reverts to performing a NTLM logon, which causes an extra trip to the controller.
Microsoft has confirmed this to be a problem in SQL Server 7.0. This problem has been corrected in U.S. Service Pack 3 for Microsoft SQL Server 7.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
274799 INF: How to Obtain Service Pack 3 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0
For more information, contact your primary support provider.