FIX: Error message when you call a .NET assembly from BizTalk Server 2004 in the .NET Framework 1.1 SP1: "Unable to create the transform"

Consider the following scenario:

• You run Microsoft BizTalk Server 2004 together with the Microsoft .NET Framework 1.1 Service Pack 1 (SP1).
• You call a .NET assembly from BizTalk Server 2004.
• The .NET assembly uses the HashMembershipCondition class in the System.Security.Policy namespace.

In this scenario, BizTalk Server 2004 cannot send or receive files. When this problem occurs, you receive the following error message:Note This problem is more likely to occur under heavy stress conditions.

This problem occurs because of a race condition in the Hash class in the System.Security.Policy namespace.

Hotfix information

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 .NET Framework 1.1 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.

Prerequisites

You must have the .NET Framework 1.1 SP1 installed to apply this hotfix.

Restart requirement

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

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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.

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

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