DOCUMENT:Q181086  30-MAR-1999  [exchange]
TITLE   :XCLN: Err Msg: The MS Exchange Directory Service Could Not Be...
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:4.0,5.5
OPER/SYS:
KEYWORDS:

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Exchange MS-DOS client, versions 4.0, 5.5 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you attempt to start the Microsoft Exchange MS-DOS client, the following
error message may be displayed:

   The MS Exchange directory service could not be opened.
   You need more memory to open the Exchange Server directory service
   provider. Close some Windows or applications and try again.

   Microsoft Exchange for MS-DOS

   ID No: 5866-5012


CAUSE
=====

This problem can occur when the directory on the Microsoft Exchange Server
computer to which you are connecting is very large. Under these circumstances,
the server may attempt to send more information than the MS- DOS client can
handle at one time.


STATUS
======

Microsoft has confirmed this to be a problem in the Microsoft Exchange MS- DOS
client version 4.0. A supported fix is now available, but has not been fully
regression-tested and should be applied only to systems experiencing this
specific problem. Unless you are severely impacted by this specific problem,
Microsoft recommends that you wait for the next Service Pack that contains this
fix. Contact Microsoft Technical Support for more information.


Microsoft has confirmed this to be a problem in Microsoft Exchange Server version
5.5. This problem has been corrected in the latest U.S. Service Pack for
Microsoft Exchange Server version 5.5. For information on obtaining the Service
Pack, query on the following word in the Microsoft Knowledge Base (without the
spaces):

   S E R V P A C K


Additional query words: 4.00 5.50

======================================================================
Keywords          :  
Technology        : kbExchangeSearch kbExchangeClientSearch kbZNotKeyword3 kbExchange400DOS
Version           : WINDOWS:4.0,5.5
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1999.