Microsoft KB Archive/255256

= XADM: Upgrade Fails When Exchange Server 5.5 LDAP Port Has Been Reconfigured =

Article ID: 255256

Article Last Modified on 2/27/2007

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition

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This article was previously published under Q255256





SYMPTOMS
In situations where the Microsoft Exchange Server 5.5 LDAP port has been reconfigured, Microsoft Exchange 2000 Server upgrade fails.

The following information is in the log;

[11:13:40] General DAPI Error: c00000b5, The Microsoft Exchange Server computer does not respond.

For more information, click http://search.support.microsoft.com/search/?adv=1. , Server [11:13:40] CDapi::ScGetSiteInfo (J:\admin\src\udog\excommon\dapiaccess.cxx:228) Error code 0XC103FC93 (64659):

The Exchange 5.5 directory service could not be contacted. Please ensure that the service is running properly and that it is listening on the correct port, as specified in setup documentation.

Generally, the LDAP port is changed so that a domain controller, Microsoft Exchange Server 5.5, and Active Directory Connector (ADC) can all be run on the same computer. When an upgrade is performed, however, it expects that the Exchange Server 5.5 directory is listening on the default port (389).



WORKAROUND
To work around this problem:
 * 1) Set the ADC to Replicate Never.
 * 2) Change the LDAP port on the Exchange Server 5.5 computer back to 389.
 * 3) Re-run Setup.

After this, the ADC won't be needed for this particular server, and you can remove it or point it to another Exchange Server 5.5 computer.

Additional query words: exch2kp2w

Keywords: kbprb KB255256

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