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Q294831: Server.HTMLEncode/Server.URLEncode Corrupt High UTF8 Characters

Article: Q294831
Product(s): Internet Information Server
Version(s): 5.0
Operating System(s): 
Keyword(s): kbCOMIS kbWin2000PreSP3Fix kbWin2000sp3fix
Last Modified: 15-AUG-2002

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Internet Information Services version 5.0 
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SYMPTOMS
========

When an Active Server Pages (ASP) script uses the Server.HTMLEncode or
Server.URLEncode method, if the session codepage is set to UTF8, the data on
certain strings may appear corrupted or garbled.

CAUSE
=====

This problem occurs because Internet Information Services (IIS) 5.0 assumes two
bytes per character, and some UTF8 characters use three. This creates a buffer
that is too small.

RESOLUTION
==========

The following fix allocates additional buffer when the initially allocated
buffer size is insufficient.

To resolve this problem, obtain the latest service pack for Windows 2000. For
additional information, click the following article number to view the article
in the Microsoft Knowledge Base:

  Q260910 How to Obtain the Latest Windows 2000 Service Pack

The following file is available for download from the Microsoft Download Center:

  English (US):
  DownloadDownload Q249831_w2k_sp3_x86_EN.exe now

  Chinese (Simplified):
  DownloadDownload Q249831_w2k_sp3_x86_CN.exe now

  Chinese (Traditional):
  DownloadDownload Q249831_w2k_sp3_x86_TW.exe now

  French:
  DownloadDownload Q249831_w2k_sp3_x86_FR.exe now

  German:
  DownloadDownload Q249831_w2k_sp3_x86_DE.exe now

  Japanese:
  DownloadDownload Q249831_w2k_sp3_x86_JA.exe now

  Korean:
  DownloadDownload Q249831_w2k_sp3_x86_KO.exe now

For additional information about how to download Microsoft Support files, click
the following article number to view the article in the Microsoft Knowledge
Base:

  Q119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current
virus-detection software that was available on the date that the file was
posted. The file is stored on secure servers that prevent any unauthorized
changes to the file.

The English version of this fix should have the following file attributes or
later:

  Date        Time      Version        Size     File name
  --------------------------------------------------------
  4/23/2001   07:20p   5.0.2195.3536   332,560  Asp.dll
  4/23/2001   07:20p   5.0.2195.3407    13,584  Infoadmn.dll
  4/23/2001   07:20p   5.0.2195.3407   245,520  Infocomm.dll
  4/23/2001   07:20p   5.0.2195.3407    62,736  Isatq.dll
  4/23/2001   07:20p   5.0.2195.3280      7440  W3ctrs.dll


STATUS
======

Microsoft has confirmed that this is a problem in Microsoft Internet Information
Services 5.0. This problem was first corrected in Windows 2000 Service Pack 3.

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

For additional information about how to obtain a hotfix for Windows 2000
Datacenter Server, click the article number below to view the article in the
Microsoft Knowledge Base:

  Q265173 The Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one
reboot, click the article number below to view the article in the Microsoft
Knowledge Base:

  Q296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about what else this patch fixes, click the article
number below to view the article in the Microsoft Knowledge Base:

  Q294833 ASP Script Cannot Use Type Libraries with UTF8 Codepage

For additional information about how to install Windows 2000 and Windows 2000
hotfixes at the same time, click the article number below to view the article in
the Microsoft Knowledge Base:

  Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words: kbIISCom UTF-8

======================================================================
Keywords          : kbCOMIS kbWin2000PreSP3Fix kbWin2000sp3fix 
Technology        : kbiisSearch kbiis500
Version           : :5.0
Hardware          : x86
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

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