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Q182618: XADM: Cannot Log On Using IMAP4 If WinNT Locale Set to Swedish

Article: Q182618
Product(s): Microsoft Exchange
Version(s): 5.5
Operating System(s): 
Keyword(s): 
Last Modified: 09-JAN-2002

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The information in this article applies to:

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

An IMAP4 e-mail client cannot log on to a Microsoft Exchange Server 5.5 computer
if the Windows NT default locale is set to Swedish. (The default locale is set
in the Control Panel Regional Settings.)

If you enable protocol logging for IMAP4, you will see that the IMAP4 session
fails when the client issues the LOGIN command:

  01/26/1998 17:31:43.079     (TID:141): IMAP connection accepted from
  157.58.35.128
  01/26/1998 17:31:43.139 >>> (TID:141): * OK Microsoft Exchange IMAP4rev1
  Server Ready
  01/26/1998 17:34:05.003 <<< (TID:141): 1 LOGIN U116BIT password
  01/26/1998 17:34:05.193 >>> (TID:141): 1 NO

However, if the Windows NT locale is set to English, the same login will work
correctly:

  01/26/1998 16:54:39.267     (TID:140): IMAP connection accepted from
  157.58.35.128
  01/26/1998 16:54:39.267 >>> (TID:140): * OK Microsoft Exchange IMAP4rev1
  server version 5.5.2147.0 (JUNWIN03) ready
  01/26/1998 16:54:55.370 <<< (TID:140): 1 LOGIN U116BIT PASSWORD
  01/26/1998 16:54:55.520 >>> (TID:140): 1 OK LOGIN completed.


CAUSE
=====

The Exchange Information Store service does not correctly handle the IMAP4
responses to the client if the locale is not set to English, French, German, or
Japanese.


WORKAROUND
==========

To work around this problem, set the locale to English, French, German, or
Japanese. If that is not possible, a fix for this problem is now available.

NOTE: After you apply this fix, portions of the return message will be in the
same language as the Windows NT locale.

STATUS
======

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 about 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: MSExchangeIS language WszFromMsgid

======================================================================
Keywords          :  
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : :5.5
Issue type        : kbprb
Solution Type     : kbfix

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