You may experience slow performance by some programs on a computer that is running Windows Server 2003 with Service Pack 1

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SYMPTOMS

You may experience slow performance by some programs on a computer that is running Microsoft Windows Server 2003 with Service Pack 1 (SP1).

Note Service Pack 1 is included in x64-based versions of Windows Server 2003.

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CAUSE

This problem occurs because the HashKey function is exported incorrectly as multi-byte characters instead of as Unicode characters when some programs call this function. The HashKey function is in the Mfc42u.dll file. The Mfc42u.dll file is included with Windows Server 2003 SP1.

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RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 (http://support.microsoft.com/kb/889100/ ) How to obtain the latest service pack for Windows Server 2003

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Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have Microsoft Windows Server 2003 with Service Pack 1 (SP1) installed on the computer.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Windows Server 2003, 32-bit versions with SP1

   Date         Time   Version     Size       File name
   -----------------------------------------------------
   08-Jun-2005  13:00  6.6.8063.0  1,163,776  Mfc42u.dll

Windows Server 2003, 64-bit Itanium-based versions with SP1

   Date         Time   Version     Size       File name    Platform
   ----------------------------------------------------------------
   09-Jun-2005  04:02  6.5.4245.0  3,510,272  Mfc42u.dll   IA-64
   09-Jun-2005  04:02  6.6.8063.0  1,163,776  Wmfc42u.dll  x86

Windows Server 2003, 64-bit x64-based versions

   Date         Time   Version     Size       File name    Platform
   ----------------------------------------------------------------
   09-Jun-2005  04:02  6.5.9146.0  1,462,272  Mfc42u.dll   x64
   09-Jun-2005  04:02  6.6.8063.0  1,163,776  Wmfc42u.dll  x86

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Server 2003 Service Pack 2.

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