You cannot join a computer that is running a 64-bit version of Windows Vista to a Windows domain on which ISA Server 2004 is configured as a firewall

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Article ID: 917903 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario. You have a Windows domain on which Microsoft Internet Security and Acceleration (ISA) Server 2004 is configured as a firewall. You try to add to the domain a client computer that is running a 64-bit version of Windows Vista. However, you receive an "RPC Server unavailable" error message on the client computer. Additionally, the computer is not added to the domain.

Note This problem occurs primarily in a Microsoft Windows Small Business Server 2003 (Windows SBS) domain.

CAUSE

This problem occurs because 64-bit Windows Vista client computers add a third context element structure to a remote procedure call (RPC) bind call. However, the ISA Server RPC application filter drops this bind call as an incorrect RPC bind packet.

RESOLUTION

How to obtain the hotfix

On a computer that is running ISA Server 2004, Standard Edition and Microsoft Windows Small Business Server 2003, Premium Edition, obtain the hotfix from the Microsoft Download Center.

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

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Download
Download the ISA Server 2004 and Windows Small Business Center 2003 hotfix 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:
119591 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 security-enhanced servers that help prevent any unauthorized changes to the file.

On a computer that is not running Windows Small Business Center 2003 but that is running ISA Server 2004, Standard Edition or ISA Server 2004, Enterprise Edition, apply hotfix 919621. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
919621 Description of the ISA Server 2004 hotfix package: May 31, 2006

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Properties

Article ID: 917903 - Last Review: December 4, 2007 - Revision: 2.5
APPLIES TO
  • Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition
  • Microsoft Internet Security and Acceleration Server 2004 Standard Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
Keywords: 
atdownload kbqfe kbprb KB917903

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