A Scalable Networking Pack (SNP) hotfix rollup package is available for Windows Server 2003

A Scalable Networking Pack (SNP) hotfix rollup package is available for Windows Server 2003. If you are running Windows Server 2003 Service Pack 2 (SP2), this hotfix rollup package resolves the following issues.

Notes

• If you do not want to run SNP features Windows Server 2003 SP2, you can install hotfix 948496 through the Windows Update Web site to disable all SNP features.
• If you enable SNP features in Windows Server 2003 SP2, you should install this SNP rollup hotfix package 950224 to avoid any potential issues.
• If you previously installed hotfix 948496, you must manually re-enable SNP features on Windows Server 2003 SP2.
  
  For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:
  912222 The Windows Server 2003 Scalable Networking Pack release
• The following list may not be exhaustive of issues that occur when you use the SNP on Windows Server 2003. However, the list contains the most common issues that were reported to Microsoft.

This hotfix rollup package fixes the following issues:This hotfix rollup package also fixes the following issue that was not previously documented in a Microsoft Knowledge Base article:

You may experience the following symptoms after the Receive Side Scaling (RSS) feature is enabled. By default, the RSS feature is enabled after Windows Server 2003 SP2 is installed:

• When you try to connect to a server by using a VPN connection, you receive the following error message:
  Error 800: Unable to establish connection.
• You cannot connect to the Exchange server from a computer that is running Microsoft Office Outlook.
• Network Address Translation (NAT) clients that are located behind Windows Small Business Server 2003 or behind Internet Security and Acceleration (ISA) Server experience intermittent connection failures.
• You cannot reliably connect to the Internet by using secure network address translation (SecureNAT).
• Transmission Control Protocol (TCP) connections are reset. This issue occurs when one ore more of the following conditions are true:
  • You use Network Address Translation (NAT).
  • You use Windows Firewall.
  • The host computer is configured to be an Internet connection-sharing host server .

Update information

The following files are available for download from the Microsoft Download Center:

Windows Server 2003, 32-bit versions

Download the 950224 package now.

Windows Server 2003, 64-bit versions

Download the 950224 package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: 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 security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this hotfix, you must have Windows Server 2003 Service Pack 2 installed on the computer.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Restart information

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix replaces the following hotfixes:

File information

The English version of this hotfix uses a Microsoft Windows Installer package to install the hotfix. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2003 with Service Pack 2, x86-based versions

Windows Server 2003 with Service Pack 2, x64-based versions

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: