Windows Server 2003: Third-party applications or services encounter an authentication failure when security update 2478960 is installed in Windows Server 2003

SUPPORT SOLUTION:
Consider the following scenario:You have a computer that is running Windows Server 2003.You apply security update 2478960, which is documented in security bulletin MS11-014.In this scenario, some third-party applications or services encounter an authentication failure. For example, some third-party server message block (SMB) clients encounter an authentication failure. This issue occurs because a field is incorrectly removed from the negotiate protocol response. When the field is removed, applications or services that use the field for SMB server communication encounter an authentication failure. Hotfix information
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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 the problem described in this article. 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 website: 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
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To apply this hotfix, you must be running Windows Server 2003 Service Pack 2 (SP2). For more information about how to obtain a Windows Server 2003 service pack or a Windows XP Professional x64 Edition service pack, 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 Registry information
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To use the hotfix in this package, you do not have to make any changes to the registry.Restart requirement
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You must restart the computer after you apply this hotfix.Hotfix replacement information
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This hotfix does not replace a previously released hotfix.

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