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Q183104: XCON: Interop Issue with Lowercase PAB Address, Softswitch LMS

Article: Q183104
Product(s): Microsoft Exchange
Version(s): WINDOWS:5.0,5.5
Operating System(s): 
Keyword(s): kbusage exc55sp2fix
Last Modified: 05-APR-1999

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The information in this article applies to:

- Microsoft Exchange Server, versions 5.0, 5.5 
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SYMPTOMS
========

When connecting Microsoft Exchange Server to Softswitch LMS through a Microsoft
Mail Connector, you may experience the following problem:

If an Exchange user sends a message to two Microsoft Mail addresses in lowercase
characters created in his or her personal address book, this can cause the
Softswitch LMS server to fail to deliver the message to one of the recipients.

This occurs when both the To: and Cc: fields are filled. The recipient in the To:
field receives the message, but not the recipient in the Cc: field.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Exchange Server
version 5.5. For more information, please see the following article in the
Microsoft Knowledge Base:

  Q191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack


STATUS
======

Microsoft has confirmed this to be a problem in Exchange Server version 5.0.


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 Exchange Server version 5.5. This
problem was first corrected in Exchange Server 5.5 Service Pack 2.


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

The problem may also appear when Exchange users reply to such lowercase
Microsoft Mail addresses. The problem does not occur with uppercase characters.
The problem does not occur if the lowercase-character addresses are present in
the Exchange global address list.
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Keywords          : kbusage exc55sp2fix 
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbZNotKeyword2
Version           : WINDOWS:5.0,5.5
Issue type        : kbbug
Solution Type     : kbfix

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