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Q255791: XADM: Inappropriate Authentication with Mailbox Manager

Article: Q255791
Product(s): Microsoft Exchange
Version(s): winnt:5.5 SP3
Operating System(s): 
Keyword(s): exc55sp3
Last Modified: 08-MAY-2000

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 SP3 
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SYMPTOMS
========

The Server Selection tab for the Mailbox Manager utility may not list the
available servers in the site. Under Servers, the following is displayed:

  LDAP: Inappropriate Authentication.

Mailbox Manager also processes mailboxes on the local server, but does not scan
mailboxes that are located on other servers.

CAUSE
=====

This issue can occur if Microsoft Windows NT Challenge/Response has been removed
as a form of authentication from the Lightweight Directory Access Protocol
(LDAP).

RESOLUTION
==========

To resolve this issue, when you need to modify the Server Selection tab, make
sure that Windows NT Challenge/Response authentication is enabled for LDAP on
the Authentication tab.

MORE INFORMATION
================

For additional information about Mailbox Manager and LDAP authentication, click
the article number below to view the article in the Microsoft Knowledge Base:

  Q239065 XADM: LDAP Authentication Method Is Not Supported Error Message When
  Configuring Mailbox Manager

Additional query words:

======================================================================
Keywords          : exc55sp3 
Technology        : kbExchangeSearch kbZNotKeyword2 kbExchange550SP3
Version           : winnt:5.5 SP3
Issue type        : kbprb

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