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Q168929: XCLN: Err Msg: You Need More Memory or System Resources

Article: Q168929
Product(s): Microsoft Exchange
Version(s): WINDOWS:4.0,5.0
Operating System(s): 
Keyword(s): kbtshoot kbusage
Last Modified: 29-APR-1999

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The information in this article applies to:

- Microsoft Exchange Windows 3.x client, versions 4.0, 5.0 
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SYMPTOMS
========

When you click the Mail icon in Control Panel you may receive the following
error message:

  You need more memory or system resources. Close some windows and try
  again.

CAUSE
=====

The Mapi.dll file, located in the Windows\System subdirectory by default, is
either missing, corrupted, or has been replaced by another version.


RESOLUTION
==========

1. Reinstall Microsoft Exchange Client.

2. Expand Mapi.dll from the Exchange Client cabinet (cab) files.

3. Copy Mapi.dll from another Windows computer that is currently working. Both
  computers must be running the same version and service pack of Exchange
  Client. See table below and compare the size of the Mapi.dll file to find out
  this information.

  Mapi.dll File Size       Version
                ====        ======
              1,000,288    5.0
               989,280     4.0 SP4
               988,544     4.0 SP3
               988,480     4.0 SP2
               890,464     4.0 RTM

======================================================================
Keywords          : kbtshoot kbusage 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbExchangeClientSearch kbZNotKeyword3
Version           : WINDOWS:4.0,5.0
Issue type        : kbprb

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