Symptoms

In a Microsoft Host Integration Server 2009 environment, you may encounter a memory leak issue. For example, assume that you are processing Internet Information Services (IIS) transactions for several hours, and that this process makes static query calls to an IBM DB2 database. During this operation, the memory that is allocated by the Msdrda.dll process may leak.

Resolution

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

There are no prerequisites for installing this hotfix.

Restart information

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English (United States) version of this hotfix uses a Microsoft Windows Installer package to install the hotfix. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date 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.

Microsoft Host Integration Server 2009, 32-bit edition

File name

File version

File size

Date

Time

Platform

db2oledb.dll

8.0.3778.2

539,984

16-Sep-2010Sep-2010

18:16

x86

ipresync.dll

8.0.3778.2

476,504

16-Sep-2010Sep-2010

18:16

x86

microsoft.hostintegration.adapters.msdb2.runtime.dll

8.0.3778.2

79,784

16-Sep-2010Sep-2010

18:16

x86

microsoft.hostintegration.dataaccesslibrary.dll

8.0.3778.2

1,279,896

16-Sep-2010Sep-2010

18:16

x86

microsoft.hostintegration.msdb2client.dll

8.0.3778.2

239,504

16-Sep-2010Sep-2010

18:16

x86

msdrda.dll

8.0.3778.2

875,856

16-Sep-2010Sep-2010

18:16

x86

snanls.dll

8.0.3778.2

109,392

16-Sep-2010Sep-2010

18:16

x86

Microsoft Host Integration Server 2009, 64-bit edition

File name

File version

File size

Date

Time

Platform

db2oledb.dll

8.0.3778.2

763,216

16-Sep-2010

15:12

x64

ipresync.dll

8.0.3778.2

672,600

16-Sep-2010

15:12

x64

microsoft.hostintegration.adapters.msdb2.runtime.dll

8.0.3778.2

79,784

16-Sep-2010

15:12

x86

microsoft.hostintegration.dataaccesslibrary.dll

8.0.3778.2

1,279,896

16-Sep-2010

15:12

x86

microsoft.hostintegration.msdb2client.dll

8.0.3778.2

239,504

16-Sep-2010

15:12

x86

msdrda.dll

8.0.3778.2

1,514,320

16-Sep-2010

15:12

x64

snanls.dll

8.0.3778.2

128,336

16-Sep-2010

15:12

x64

Status

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

More Information

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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