Article ID: 815051 - View products that this article applies to.
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When you use the Firewall client on either Microsoft Windows XP or Microsoft Windows Server 2003, some Winsock applications may not work through ISA Server 2000. For example, Remote Procedure Call (RPC) applications that are using Winsock may not connect through ISA Server 2000. You do not see this issue with Microsoft Windows 2000 or earlier versions of Microsoft Windows when you are running the Firewall client.
Windows XP and Windows Server 2003 introduce new Winsock APIs to extend the capability of Winsock. Because ISA Server 2000 was released before these operating systems became available, the Firewall client does not support these new Winsock calls. The Winsock APIs in question are ConnectEx and WSARecvMsg.
Note You must install ISA Server Service Pack 1 (SP1) before you install the following hotfix. For additional information about how to obtain the latest ISA Server service pack, click the article number below to view the article in the Microsoft Knowledge Base:
313139A 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. 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.
(http://support.microsoft.com/kb/313139/EN-US/ )How to Obtain the Latest Internet Security and Acceleration Server 2000 Service Pack
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 Web site:
http://support.microsoft.com/contactus/?ws=supportNote 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.
The English version of this fix 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.
This fix also applies to the French, German, Spanish, and Japanese versions of ISA Server. To install the fix, run the self-extracting file. You do not have to restart the ISA Server computer. If the computer is part of an ISA Server array, you do not have to shut down the whole array. You can still install this fix on a one-by-one basis.
Date Time Version Size File name ---------------------------------------------------- 20-Apr-2003 14:12 3.0.1200.265 97,552 Wspwsp.dll
Note Apply this hotfix on the ISA Server computer. This updates the Firewall client share on the ISA Server computer. To deploy the hotfix to the Firewall clients, rerun the Firewall client setup and select Repair. Note that you must use the Firewall client share (for example, \\isaserver\mspclnt\setup.exe) to do this. If you run the setup program from Add/Remove Programs in Control Panel, the Firewall client will not be updated with the new hotfix.
Alternatively, you can remove and then reinstall the Firewall client to obtain the updated version of Wspwsp.dll from the Firewall client share.
The Firewall client is updated with the hotfix automatically if the Firewall client is installed after the hotfix has been applied to the ISA Server computer.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
The hotfix in this article adds new functionality to the Firewall client to give support for the new ConnectEx and WSARecvMsg Winsock APIs. Additionally, this hotfix resolves several stability and access violation issues in the Firewall client.
Article ID: 815051 - Last Review: October 26, 2013 - Revision: 1.7