FIX: Your Web site stops responding and you notice sustained high CPU utilization in an IIS process

You may notice that your Web site stops responding or responds very slowly. In either Windows Task Manager or in Performance Monitor, you may notice that one of the following Microsoft Internet Information Services (IIS) processes is experiencing 100 percent CPU utilization:

• Inetinfo.exe
• Dllhost.exe
• Aspnet_wp.exe
• W3wp.exe

The IIS service may also quit unexpectedly, and you may receive an access violation error message.

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Commerce Server 2000 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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.

To temporarily work around this problem, run the Iisreset.exe command-line utility.

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

For additional information, click the following article number to view the article in the Microsoft Knowledge Base: