When a client tries to open a Web page that resides on a Web server that requires a client certificate through Microsoft Internet Security and Acceleration (ISA) Server (Outgoing Web Request), the client receives the following error message:
403.7 Client certificate required
CAUSE
The Web server sends the error message to the client because ISA Server does not send the client certificate to the Web server even if you correctly add a client certificate for this HTTP/HTTPS bridging rule. This problem occurs if you set up an ISA Server routing rule as follows:
- On the Bridging tabs, enable SSL Requests (Establish a secure channel to the site) in the Redirect HTTP Request as frame.
- On the Bridging tabs, click to select the Use a certificate to authenticate to the SSL Web Server check box, and then select a valid client certificate.
- On the Action tabs, enable the redirecting them to a hosted site option.
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.
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, submit a request to 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:
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.
File information
The English version of this hotfix has the file attributes (or later) 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.
Date Time Version Size File name
--------------------------------------------------------------
29-Oct-2003 00:02 3.0.1200.303 178,448 Mspadmin.exe
29-Oct-2003 00:02 3.0.1200.303 103,184 Msphlpr.dll
29-Oct-2003 00:01 3.0.1200.303 393,488 W3proxy.exe
29-Oct-2003 00:02 3.0.1200.303 299,280 Wspsrv.exe
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 832317 - Last Review: June 29, 2007 - Revision: 2.5
APPLIES TO
- Microsoft Internet Security and Acceleration Server 2000 Standard Edition
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