Microsoft KB Archive/216292

= XFOR: Reasons for "Unable to logon..." Error Message =

Article ID: 216292

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q216292





SUMMARY
When you use the Migration wizard to migrate account information from LDAP directories, you may receive the following error message:

Unable to log on to the server. Please verify server name, port, account name and password.

You may get this error message for a number of other reasons, listed in the "More Information" section of this article.



MORE INFORMATION
If you get this error message, check the following:

 LDAP Server Name LDAP Port

This is typically TCP/IP port 389 or port 636 for LDAP over SSL. Account Name

You must use the full distinguished name (DN). Password Default Naming Context

For servers with a default naming context specified, you must specify this in the Internet Directory server name field. For example:

ldapserver/o=org

 ADSI 2.0

Verify that the correct version of ADSI 2.0 is installed. For additional information, please see the following article in the Microsoft Knowledge Base:

216290 XFOR: Verifying which Version of ADSI Is Installed

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Keywords: kbinfo KB216292

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