This article has been archived. It is offered "as is" and will no longer be updated.
Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry
When an application calls a Microsoft Visual C# Enterprise Services object, and the Enterprise Services object uses the Microsoft .NET Framework 1.1, deadlocks occur in the Enterprise Services object.
This problem occurs because the System.EnterpriseServices.IdentityTable.AddObject method and its supporting functions do not support re-entrancy.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Windows XP service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
No prerequisites are required.
You do not have to restart the computer after you apply this hotfix.
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 tool in Control Panel.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To work around this problem, add a new registry key that is named
. To add the registry key, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following subkey:
To create the STAThreadPool key, point to New on the Edit menu, and then click Key.
Type STAThreadPool, and then press ENTER.
Point to New on the Edit menu, and then click DWORD value.
Type EmulateMTSBehavior, and then press ENTER.
Right-click EmulateMTSBehavior, and then click Modify.
In the Edit DWORD Value dialog box, type the value 0, and then click OK.
On the File menu, click Exit.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates