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FIX: The W3wp.exe process crashes, or the first request for smooth streaming content fails, when you use the ARR 2.5 module in Internet Information Services 7.0 or 7.5


View products that this article applies to.

Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.

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Symptoms

When you use the Microsoft Application Request Routing (ARR) 2.5 module on a computer that is running Internet Information Services (IIS) 7.0 or IIS 7.5, you may encounter one of the following issues.

Issue 1

The W3wp.exe process crashes. Additionally, an event that resembles the following is logged in the Application log:
Issue 2

When you enable the request consolidation feature and the disk-based caching feature in an ARR server farm, the first request for Smooth Streaming content fails, and the content is not cached.

Note A network trace of the request shows that the TCP connection is reset from the server. Successive requests for the same content are cached and served correctly.

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Resolution

Update information

The following files are available for download from the Microsoft Download Center:

Download Download the ARR update for IIS 7.0 or for IIS 7.5 (x86) package now.

Download Download the ARR update for IIS 7.0 or for IIS 7.5 (x64) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this update, you must have Application Request Routing (ARR) 2.5 for IIS 7.0 or for IIS 7.5 installed.

The following files are available for download from the Microsoft Download Center:

Download Download the ARR 2.5 for IIS 7.0 or for IIS 7.5 (x86) package now.

Download Download the ARR 2.5 for IIS 7.0 or for IIS 7.5 (x64) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Restart information

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

Replacement information

This update does not replace a previously released update.

File information

The English version of this update 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.

For all supported x86-based versions of ARR for IIS 7.0 or for IIS 7.5
File nameFile versionFile sizeDateTimePlatform
Requestrouter.dll7.1.1274.0281,33608-Aug-201110:59x86
For all supported x64-based versions of ARR for IIS 7.0 or for IIS 7.5
File nameFile versionFile sizeDateTimePlatform
Requestrouter.dll7.1.1274.0303,86408-Aug-201110:59x64
Requestrouter.dll7.1.1274.0281,33608-Aug-201110:59x86

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Status

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

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More Information

For more information about how to configure the request consolidation feature in ARR, visit the following Microsoft TechNet website:For more information about how to configure and use primary disk caches and a secondary disk cache in a tiered environment, visit the following Microsoft TechNet website:

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Keywords: kbmdd, kbqfe, kbhotfixserver, kbfix, kbnotautohotfix, kb

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Article Info
Article ID : 2589179
Revision : 2
Created on : 9/20/2018
Published on : 9/20/2018
Exists online : False
Views : 306