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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

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Microsoft Knowledge Base Article

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Article ID: 923197 - Last Review: October 9, 2011 - Revision: 4.0

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

Hotfix download is availableHotfix Download Available
View and request hotfix downloads
System TipThis article applies to a different version of Windows than the one you are using. Content in this article may not be relevant to you. Visit the Windows Vista Solution Center

On This Page

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 'VirtualMemorySize' is outside of the range '0' to '4194303'. The value will default to '512000'.
Note VirtualMemorySize 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 'VirtualMemorySize' is outside of the range '0' to '3145728'. The value will default to '0'.
Note VirtualMemorySize represents the virtual memory size that you configured.

RESOLUTION

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  (http://kbalertz.com/Feedback.aspx?kbNumber=889100/ ) How to obtain the latest service pack for Windows Server 2003

Hotfix information

A 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.

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=support (http://support.microsoft.com/contactus/?ws=support)
Note 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.

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, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Iisw3adm.dll6.0.3790.2771312,32015-Aug-200623:55x64SP1Not Applicable
Wiisw3adm.dll6.0.3790.2771216,06415-Aug-200623:55x86SP1WOW
Windows Server 2003, Itanium-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Iisw3adm.dll6.0.3790.2771605,18415-Aug-200623:53IA-64SP1Not Applicable
Wiisw3adm.dll6.0.3790.2771216,06415-Aug-200623:53x86SP1WOW
Note In Windows Server 2003, the described behavior is by design. This hotfix is not for any 32-bit versions of Windows Server 2003.

STATUS

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

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://kbalertz.com/Feedback.aspx?kbNumber=824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Microsoft Internet Information Services 6.0
  • Microsoft Windows Server 2003 Service Pack 1, when used with:
    • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
    • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
Keywords: 
kbautohotfix kbwinserv2003sp2fix kbHotfixServer kbqfe kberrmsg kbprb KB923197
       

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