Availability of Windows XP COM+ Hotfix Rollup Package 12

This article lists the Microsoft COM+ bugs that are fixed in the Microsoft Windows XP Post-Service Pack 2 (SP2) COM+ Hotfix Rollup Package 12. Each package contains all the fixes that were released in the previous Windows XP Post-SP2 COM+ hotfix rollup packages.

Issues that are fixed in this hotfix package

The following issues are fixed in this hotfix package:

• 911194  (http://support.microsoft.com/kb/911194/ ) FIX: The ObjectControl_Activate method may not be called for a component that is written in Visual Basic when a client application tries to create a COM+ component
• 905551  (http://support.microsoft.com/kb/905551/ ) FIX: An endless loop in the CEventDispatcher::RemoveEventBuffer function in the Comsvcs.dll file causes the host COM+ application to stop responding on a computer that is running Windows XP Service Pack 2
• 908473  (http://support.microsoft.com/kb/908473/ ) FIX: A Failure Audit event with event ID 560 appears in the Security log when you enable object auditing in Windows XP or in Windows Server 2003
• 910234  (http://support.microsoft.com/kb/910234/ ) FIX: Error message when a serviced component in a COM+ application calls another serviced component in a second COM+ application: "0x8004E027"

The following issues are also fixed in this hotfix package. These issues were not previously documented in a Microsoft Knowledge Base article:

• Microsoft Distributed Transaction Coordinator (MSDTC) stops responding when the Disconnect method is called.
• MSDTC leaks memory when the server is under heavy load conditions.
• A DLL host process may stop responding when a message transfer agent (MTA) object is shut down.
• A failfast condition occurs when pooled objects run in a lightweight transaction that is not promoted before the end of the transaction.
• A failfast condition occurs if an asynchronous callback is made before the fields for an object are initialized.
• DCOM permissions are restored to default settings when all permissions are removed.
• An access violation occurs in the CSecurityCallCtx::Init method in the Comsvcs.dll file.
• COM+ transactions are delayed 15 seconds when the transactions are called from Microsoft ASP.NET applications or COM+ library applications.

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: 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

You must have Microsoft Windows XP Service Pack 2 (SP2) or Microsoft Windows XP Service Pack 1 (SP1) installed to apply this hotfix.

Restart information

You must restart the computer after you apply this hotfix.

Hotfix replacement information

Bugs that are fixed in the Windows XP Post-SP2 COM+ hotfix rollup packages are cumulative. The following is a list of articles for the previous rollup packages:

• 317926  (http://support.microsoft.com/kb/317926/ ) Availability of Windows XP COM+ Hotfix Rollup Package 1
• 330227  (http://support.microsoft.com/kb/330227/ ) Availability of Windows XP COM+ Hotfix Rollup Package 5
• 828758  (http://support.microsoft.com/kb/828758/ ) Availability of Windows XP COM+ 1.5 Rollup Package 6
• 870769  (http://support.microsoft.com/kb/870769/ ) Availability of Windows XP COM+ Hotfix Rollup Package 8
• 895200  (http://support.microsoft.com/kb/895200/ ) Availability of Windows XP COM+ Hotfix Rollup Package 9
• 896728  (http://support.microsoft.com/kb/896728/ ) Availability of Windows XP COM+ Hotfix Rollup Package 10
• 897696  (http://support.microsoft.com/kb/897696/ ) Availability of Windows XP COM+ Hotfix Rollup Package 11

Registry information

You do not have to create or modify any registry keys to enable any hotfixes that this package contains.

Hotfix file information

This hotfix contains only those files that you must have to correct the issues that this article lists. This hotfix may not contain of all the files that you must have to fully update a product to the latest build.

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 XP SP2, x86

Windows XP SP1, x86

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: