DOCUMENT:Q162155  18-MAY-2001  [exchange]
TITLE   :XCLN: Err Msg: Logon Failed Due to the Runtime Error 4
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:4.0; winnt:4.0
OPER/SYS:
KEYWORDS:kbusage

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The information in this article applies to:

 - the operating system: Microsoft Windows NT 4.0 
 - Microsoft Exchange Windows NT client, version 4.0 
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SYMPTOMS
========

When you attempt to access certain items on the properties page for the To field
in the Microsoft Electronic Forms Designer for Exchange, the following error
message may appear:

   Logon failed due to the following runtime error 4:
   Application-defined or object defined error.

This problem only occurs running the Exchange Windows NT client on Windows NT
4.0.

CAUSE
=====

This error occurs due to a problem with the Component Object Model (COM)
interface on Windows NT 4.0.

STATUS
======

NOTE: To fix this problem, you must apply BOTH Service Packs referenced below.

Microsoft has confirmed this to be a problem in Microsoft Windows NT version 4.0.
This problem has been corrected in the latest U.S. Service Pack for Windows NT
version 4.0. For information on obtaining the Service Pack, query on the
following word in the Microsoft Knowledge Base:

   " SERVPACK " (without the quotation marks)

Microsoft has confirmed this to be a problem in Microsoft Exchange Windows NT
client version 4.0. This problem has been corrected in the latest U.S. Service
Pack for Exchange Windows NT client version 4.0. For information on obtaining
the Service Pack, query on the following word in the Microsoft Knowledge Base:

   " SERVPACK " (without the quotation marks)


Additional query words:

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Keywords          : kbusage 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTSsearch kbExchangeSearch kbExchange400 kbExchangeClientSearch kbZNotKeyword2 kbZNotKeyword3
Version           : WINDOWS:4.0; winnt:4.0

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Copyright Microsoft Corporation 2001.