The ISA Server 2006 Supportability Update package provides ISA Server 2006 with the functionality that was introduced in ISA Server 2004 Service Pack 3. This functionality includes the following:
The following file is available for download from the Microsoft Download Center:
- Improvements to the ISA Server Management console. These improvements include a new Troubleshooting node.
- Improved log viewing functionality.
- Additional log filter functionality.
- Diagnostic logging. Over 200 new diagnostic logging events are provided.
- Integration with Microsoft ISA Server Best Practices Analyzer Tool.
Download the ISA Server 2006 Supportability Update 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:
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How to obtain Microsoft support files from online services
We recommend that you also install the Microsoft ISA Server Diagnostic Logging Viewer command-line tool. This tool lets you easily view and query the log entries that are generated by the diagnostic logging feature that this update provides. To download this tool, visit the following Microsoft Web site:
ISA Server 2006 Supportability Update package details
List of issues that this package fixes
The ISA Server 2006 Supportability Update package fixes the issues that are described in the following Microsoft Knowledge Base articles:
Error message when you view an ISA 2004 or an ISA 2006 SSL Web site: "Error Code: 500 Internal Server error. The context has expired and can no longer be used"
Virtual memory allocation for the Microsoft Firewall service increases by as much as 512 MB in ISA Server 2004 and in ISA Server 2006
The HTML pages that correspond to error code 12221 and to error code 12222 appear in English in a non-English language version of ISA Server 2006
ISA Server 2006 includes the host header together with the port number of the Web server after you publish a Web site
Update is available that supports publishing Microsoft Exchange Server 2007 behind Internet Security and Acceleration (ISA) Server 2006
The ISA Server Management snap-in stops responding when you create a new connectivity verifier or modify the parameters of an existing connectivity verifier in ISA Server 2006
ISA Server takes a long time to apply changes to the firewall configuration, or changes may not be applied to members of the array in ISA Server 2006 Enterprise Edition
Authentication fails when client computers use Internet Explorer 7 to authenticate with an upstream ISA Server computer through a downstream ISA Server computer that does not require authentication
A large file download fails when an ISA Server 2006 SOCKS client computer uses passive mode FTP
A Web page that uses link translation and that is published behind ISA Server 2006 may not appear correctly
Error message when you use the IncludeNetworkIpRangeSet property of the FPCClientAutoScript object: "Object doesn't support this property or method"
ISA Server 2006 indefinitely displays the report status as "Generating" on the "Reports" tab
The values that appear in the "Bytes Sent" field and in the "Bytes Received" field are reversed when you log traffic for a server-publishing rule in ISA Server 2006
The Web Proxy filter in ISA Server 2006 logs requests that reference an incorrect access rule when you use overlapped HTTP protocols
Applications that use an embedded Web browser program cannot access content on a Web site that you have published by using forms-based authentication in ISA Server 2006
Disruption of service to all remote sites and high CPU utilization by Lsass.exe and Netsh.exe processes in IPsec tunnel mode site-to-site VPN scenario in ISA Server 2006
ISA Server 2006 cannot delegate authentication to a back-end server from a published Web server
When an external user tries to access OWA that is published in ISA Server 2006, the user does not receive the OWA forms-based authentication page
An ISA Server 2006 Web Proxy client receives error code 502 when a user tries to visit certain Web sites
The report status appears as "Generating" and the report does not run when you click "Run now" in ISA Server 2006
Error message when you try to back up or to export configuration information for ISA Server 2006: "The task is not activated. There is not enough memory to complete the operation."
A client computer may receive an error message when an ISA Server 2006 access rule limits access by content type: "HTTP 502 Proxy Error"
You can disable the HTTPOnly flag in WPLB cookies that ISA Server 2006 uses
When clients connect to a Web site that you published by using ISA Server 2006, the Microsoft Firewall service may use 100 percent of the CPU resources
A Web client may receive incorrect responses from a Web site that is published in ISA Server 2006 when multiple Web clients access the published Web site
ISA Server 2006 forwards requests to an incorrect Web server when a client computer accesses Web sites that have different URLs in the same session
Error message when a client user tries to use a mobile device to access a Web site that is published in ISA Server 2006: "500 Error - Element not Found"
Invalid authentication requests in ISA Server 2006 may be sent to the Radius OTP server
Manually configured reports and daily summary reports may fail in ISA Server 2006
The RSA SecurID form that is customized for mobile devices may not work when a user accesses a Web site that is published in ISA Server 2006
ISA Server 2006 forwards requests to an incorrect Web server when a client computer accesses Web sites that have different host names in the same session
A memory leak occurs if the "Enable caching of content received through the Background Intelligent Transfer Service (BITS)" option is enabled in a cache rule in ISA Server 2006
Error message when a user accesses a SharePoint Web site that is published in ISA Server 2006: "HTTP 401 Unauthorized"
ISA Server 2006 drops the HTTP CONNECT request that is used to establish an SSL tunnel when DiffServ-based network traffic prioritization is enabled
Error message when you access a Web site through ISA Server 2006: "HTTP 400 - Bad Request"
- To apply this update, you must have Microsoft ISA Server 2006 Standard Edition or Microsoft ISA Server 2006 Enterprise Edition installed.
- If you are running ISA Server 2006 Enterprise Edition, you must apply this update to each array member server and to the configuration storage server.
After you apply this update, you may have to restart the ISA Server computer.