Article ID: 280136 - View products that this article applies to.
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The Exchange 2000 CD provides the option to install the Exchange 5.5 Management tools. If you choose this option, the Exchange 2000 version of the dynamic-link libraries (Dlls) for the Directory Application Programming Interface (DAPI) version 6.0.4417 are installed. This version of the DAPI DLLs is not supported programmatically against an Exchange 5.x Server. If you use DAPI to access an Exchange 5.x directory, you should use the DAPI DLLs that ship with Exchange 5.x.
For additional information, see the "References" section below.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/301378/EN-US/ )XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 1.
For additional information on how to install DAPI, click the article numbers below to view the articles in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/169551/EN-US/ )INFO: Items Required to Use DAPI
(https://support.microsoft.com/kb/252886/EN-US/ )INFO: Exchange 2000 Does Not Support Directory API
Article ID: 280136 - Last Review: October 26, 2013 - Revision: 4.0