Microsoft KB Archive/923197

= FIX: Actual property values of memory properties differ from the values that you manually set when you enable application pool recycling based on memory usage in IIS 6.0 =

Article ID: 923197

Article Last Modified on 1/7/2008

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APPLIES TO

 Microsoft Internet Information Services 6.0 Microsoft Windows Server 2003 SP1, when used with:  Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems

 Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems 

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SYMPTOMS
Consider the following scenario. You have a Microsoft Windows Server 2003 Service Pack 1 (SP1)-based computer that is running Microsoft Internet Information Services (IIS) 6.0. You configure IIS to enable application pool recycling based on memory usage. In this scenario, you experience one of the following problems:

Problem 1
When you manually set the value of the PeriodicRestartMemory property to a value that is more than 4194303 KB, the actual PeriodicRestartMemory property value reverts to 512 MB.

Problem 2
When you use IIS Manager to set the value of the Maximum virtual memory property to a value that is more than 4095 MB, the actual Maximum virtual memory property value reverts to 512 MB.

Problem 3
When you set the value of the PeriodicRestartPrivateMemory property to a value that is more than 3145728 KB, the actual PeriodicRestartPrivateMemory property value reverts to 0.

Problem 4
When you use IIS Manager to set the value of the Maximum used memory property to a value that is more than 3072 MB, the actual Maximum virtual memory property value reverts to 0.

Additionally, when you experience Problem 1 or Problem 2, the following error message is logged in the system event log:

Event Type: Warning

Event Source: W3SVC

Event Category: None

Event ID: 1041

Description:

The 'Application Pool' 'DefaultAppPool' failed range validation for property 'PeriodicRestartMemory'. The configured value ' ' is outside of the range '0' to '4194303'. The value will default to '512000'.

Note  represents the virtual memory size that you configure.

When you experience Problem 3 or Problem 4, the following error message is logged in the system event log:

Event Type: Warning

Event Source: W3SVC

Event Category: None

Event ID: 1041

Description:

The 'Application Pool' 'DefaultAppPool' failed range validation for property 'PeriodicRestartPrivateMemory'. The configured value ' ' is outside of the range '0' to '3145728'. The value will default to '0'.

Note  represents the virtual memory size that you configured.



Service pack information
To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

Prerequisites
To apply this hotfix, you must have Windows Server 2003 SP1 installed on the computer.

Restart requirement
You must 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 item in Control Panel.

Windows Server 2003, Itanium-based versions
Note In Windows Server 2003, the described behavior is by design. This hotfix is not for any 32-bit versions of Windows Server 2003.

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Windows Server 2003 Service Pack 2.

This behavior is by design in the 32-bit and x86 versions of Windows Server 2003.

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

824684 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbwinserv2003sp2fix kbhotfixserver kbqfe kbpubtypekc kberrmsg kbprb KB923197

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