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

ID: Q216292


The information in this article applies to:
  • Microsoft Exchange Server, version 5.5


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:
    Q216290 XFOR: Verifying which Version of ADSI Is Installed


Additional query words:

Keywords : exc55
Version : winnt:5.5
Platform : winnt
Issue type : kbinfo


Last Reviewed: September 30, 1999
© 2000 Microsoft Corporation. All rights reserved. Terms of Use.