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Q161946: XCON: Free Form Name Attribute not Handled by Sprint

Article: Q161946
Product(s): Microsoft Exchange
Version(s): winnt:4.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 04-JUL-1999

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The information in this article applies to:

- Microsoft Exchange Server, version 4.0 
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SYMPTOMS
========

Connectivity between the Microsoft Exchange X.400 Message Transfer Agent (MTA)
and a foreign Sprint X.400 gateway cannot be established. The Sprint gateway may
indicate that messages from Microsoft Exchange contain an invalid property in
the ASN.1 header.

CAUSE
=====

The Sprint X.400 gateway does not support the Free-form Name (FFN) attribute in
the Domain Defined Attribute (DDA) field of a message. The inclusion of a
Free-Form Name is optional, but support for it is mandatory. The Sprint X.400
gateway should ignore the field if it chooses not to use it, but must be able to
receive it in a message.

The Free-form name is not part of the O/R Address, it is a "friendly name" field
for which support is mandatory. References to this support is located in the Red
Book X.420 3.2.1 and the Blue Book X.420 7.1.3 discussion of ORDescriptor. The
syntax of this data is TeletexString.

WORKAROUND
==========

To work around this problem:

- Contact Sprint about the availability of an X.400 gateway software revision
  that supports this attribute correctly, or obtain this hotfix from Microsoft.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange version 4.0.
This problem was corrected in the latest Microsoft Exchange 4.0 U.S. Service
Pack. 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


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

The issue may be accompanied by a number of Event Id 316's in the Windows NT
Event Log:

  Event Id:316
  Source:MSExchangeMTA
  Type:Information
  Category:Resource
  Description:[MTA MAIN BASE (1) Proc 15] 
  Free ASB at index 2001
  This leaves 1 CB's remaining (4)

The following Event Id 316's will document the index in an incrementing manner
(2001, 2002, 2003...).

Additional query words:

======================================================================
Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange400 kbZNotKeyword2
Version           : winnt:4.0
Issue type        : kbbug
Solution Type     : kbfix

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