Article ID: 281401 - View products that this article applies to.
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Microsoft Lightweight Directory Access Protocol (LDAP) clients may not retrieve service principle names (SPNs) from an MIT Kerberos server.
When the LDAP client makes a call for an SPN, it uses "LDAP" (in uppercase letters) instead of "ldap" (in lowercase letters). Request for Comments (RFC) 1510 defines only lowercase usage. MIT Kerberos servers that are RFC 1510-compliant are case sensitive. Therefore, requests for an SPN may not work to an MIT Kerberos server.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910The English version of this fix should have the following file attributes or later:
(https://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Date Time Version Size File name ------------------------------------------------------- 12/12/00 10:14pm 5.0.2195.2797 123,664 Wldap32.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/249149/EN-US/ )Installing Microsoft Windows 2000 and Windows 2000 Hotfixes
Article ID: 281401 - Last Review: October 21, 2013 - Revision: 3.3