DOCUMENT:Q242341  06-AUG-2002  [exchange]
TITLE   :XWEB: Access Violation After Saving Changes to Appointment
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:5.5
OPER/SYS:
KEYWORDS:kbExchange550preSP4fix kbExchange550sp4Fix

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The information in this article applies to:

 - Microsoft Outlook Web Access, version 5.5 
 - Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

If you use Outlook Web Access (OWA) to create a new appointment that contains
double-byte character set (DBCS) characters in the Subject or Location field or
in the appointment body, and then you repeatedly save changes to the
appointment, an access violation may occur in the Inetinfo.exe file, and the
following events may be logged in the application event log:

   Event ID: 4097
   Source: DrWatson
   Description: The application, exe\inetinfo.dbg, generated an application
   error. The error occurred on <date> @ <time>. The exception
   generated was c0000005 at address 77f54ac3 (RtlAllocateHeap).

   Event ID: 5
   Source: Active Server Pages
   Description: Error: file <filename> unexpected error

Note that the second event may be logged multiple times.

CAUSE
=====

Insufficient memory is allocated to perform the operation on the Exchange Server
computer.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Exchange Server 5.5.
For additional information, click the following article number to view the
article in the Microsoft Knowledge Base:

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


STATUS
======

Microsoft has confirmed that this is a problem in Microsoft Outlook Web Access
version 5.5. This problem was first corrected in Exchange Server 5.5 Service
Pack 4.

Additional query words: av

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Keywords          : kbExchange550preSP4fix kbExchange550sp4Fix 
Technology        : kbOutlookSearch kbExchangeSearch kbExchange550 kbZNotKeyword2 kbOWASearch kbOWA550
Version           : WINDOWS:5.5
Issue type        : kbbug
Solution Type     : kbfix

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Copyright Microsoft Corporation 2002.