Consider the following scenario. In Microsoft ASP.NET 1.1, you set the Aspnet_wp.exe worker process IdleTimeout property to the infinite value. The Aspnet_wp.exe worker process restarts before the value of the IdleTimeout property is reached. When this problem occurs, the following event is logged in the application event log:

Event Type: Information
Event Source: ASP.NET 1.1.4322.0
Event Category: None
Event ID: 1005
Date: Date
Time: Time
User: N/A
Computer: COMPUTERNAME
Description: aspnet_wp.exe (PID: Number) was recycled after being idle for -1 seconds. For more information, see Help and Support Center at http://support.microsoft.com.

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This problem occurs because of a threading issue that occurs with the Timer class.

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Hotfix information

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 .NET Framework 1.1 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.

Prerequisites

To apply this hotfix, you must have the .NET Framework 1.1 Service Pack 1 (SP1) installed on the computer.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) 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-Jun-2005  06:05  1.1.4322.2335    258,048  Aspnet_isapi.dll  
   29-Jun-2005  06:05  1.1.4322.2335     32,768  Aspnet_wp.exe    
   29-Jun-2005  06:15  1.1.4322.2335  1,261,568  System.web.dll

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

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

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