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The "Automatically detect ISA Server," "Forefront Threat Management Gateway, Medium Business Edition," and "Windows Essential Business Server 2008" options in the Firewall Client for ISA Server are unavailable

This article was previously published under Q284690
This article has been archived. It is offered "as is" and will no longer be updated.
SYMPTOMS
When you install the Microsoft Firewall client for ISA Server on either a Microsoft Windows 95 or Microsoft Windows NT 4.0-based computer, you find that the following options are not available:
  • Automatically Detect ISA Server
  • Forefront Threat Management Gateway, Medium Business Edition
  • Windows Essential Business Server 2008
This behavior occurs even though you have enabled Automatic Discovery on the server and restart the server.
CAUSE
This behavior occurs because Winsock Proxy Autodetect (WSPAD) relies upon DNS for the transfer of information. However, if DNS fails, client computers that support remoting of Winsock calls can still use WSPAD. Because Windows 95-based and Windows NT 4.0-based workstation clients do not support remoting of Winsock calls, the Automatically Detect ISA Server, Forefront Threat Management Gateway, Medium Business Edition, and Windows Essential Business Server 2008 options are unavailable.
STATUS
This behavior is by design.
MORE INFORMATION
The Automatically Detect ISA Server, Forefront Threat Management Gateway, Medium Business Edition, and Windows Essential Business Server 2008options are available to Microsoft Windows 98-based and Microsoft Windows 2000-based clients because remoting is supported on these Windows operating systems.

For additional information about WSPAD Support, click the article number below to view the article in the Microsoft Knowledge Base:
260210 Description of WinSock Proxy Auto Detect Support
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Properties

Article ID: 284690 - Last Review: 02/28/2014 04:24:31 - Revision: 1.4

Microsoft Internet Security and Acceleration Server 2000 Standard Edition, Windows Essential Business Server 2008 Standard, Microsoft Forefront Threat Management Gateway, Medium Business Edition

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