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Symptoms

In a Microsoft Host Integration Server 2010 environment, you have a web application that uses Host Integration Server Transaction Integrator (TI). When the Host Integration Server TI monitoring thread is running, you notice that the W3wp.exe process consumes 100% of CPU resources. Because of this problem, the web application is unusable.

Cause

This problem occurs because Host Integration Server TI calls the WaitForMultipleObjects() function that uses an infinite time-out value.

Resolution

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 the problem described in this article. 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 website:

http://support.microsoft.com/contactus/?ws=supportNote 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

You must have Microsoft Host Integration Server 2010 installed to apply this hotfix.

Restart information

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

Replacement information

This hotfix does not replace a previously released hotfix.

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.

For Microsoft Host Integration Server 2010, 32-bit Edition

File name

File version

File size

Date

Time

Platform

Microsoft.hostintegration.managedcpic.dll

8.5.4290.2

79,760

04-May-2011

12:38

x86

Microsoft.hostintegration.ti.snatransport.dll

8.5.4290.2

67,480

04-May-2011

12:38

x86

Microsoft.hostintegration.ti.wipruntimeadministration.dll

8.5.4290.2

47,024

04-May-2011

12:38

x86

For Microsoft Host Integration Server 2010, 64-bit Edition

File name

File version

File size

Date

Time

Platform

Microsoft.hostintegration.managedcpic.dll

8.5.4290.2

79,760

04-May-2011

12:45

x86

Microsoft.hostintegration.ti.snatransport.dll

8.5.4290.2

67,480

04-May-2011

12:45

x86

Microsoft.hostintegration.ti.wipruntimeadministration.dll

8.5.4290.2

47,024

04-May-2011

12:45

x86

Note Because of file dependencies, the most recent fix that contains these files may also contain additional files.

Status

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

More Information

For more information about the WaitForMultipleObjectsEx function, visit the following Microsoft Developer Network (MSDN) website:

WaitForMultipleObjects Function

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