Exception type: ArgumentNullException Source: mscorlib Target Site: Void Enter (System.Object)
Note This issue does not occur for BizTalk orchestrations that are created after the upgrade.
Cumulative update information
For BizTalk Server 2009, the hotfix that resolves this issue is included in Cumulative Update 1 for BizTalk Server 2009.
For more information about how to obtain the cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2429050 Cumulative update package 1 for BizTalk Server 2009
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article.
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.
You must have BizTalk Server 2009 installed to apply this hotfix.
You do not have to restart the computer after you apply this hotfix. However, you must restart the BizTalk Server host instance after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace other hotfixes.
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.
Call stack information
The following stack trace identifies the location in which the exception occurs: