This article has been archived.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 that you 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:
322756 How to back up and restore the registry in Windows XP and Windows Vista
The hotfix that is discussed in this article is not available for the Chinese version of Microsoft Dynamics CRM or for the Japanese version of Microsoft Dynamics CRM.
Consider the following scenario:
In Microsoft Dynamics CRM 3.0, you perform two workflow rules at the same time or at about the same time.
The two workflow rules are either the same rules or different rules.
Different users perform the two workflow rules.
Both workflow rules contain an action to create an e-mail message.
In this scenario, one of the users can perform the workflow rule successfully. However, the other user receives the following error message:
0x800404e0 Cannot Set to a Different User Context.
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 the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
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.
You must install the hotfix on all computers that are running Microsoft Dynamics CRM Server.
To enable the hotfix, you must add a new registry key to each instance of Microsoft Dynamics CRM Server. To do this, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then right-click the following registry subkey:
Point to New, and then click DWORD (32-bit) Value.
In the Name column of the new registry entry, type SerializeWorkflowRequests, and then press ENTER.
Double-click SerializeWorkflowRequests, and then type 1 (one) in the Value data box.
Note A value of 1 (one) in the Value data box indicates that the SerializeWorkflowRequests registry entry is to be enabled. A value of 0 (zero) in the Value data box indicates that the SerializeWorkflowRequests registry entry is to be disabled.
No prerequisites are required.
If you are prompted, you must 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 item in Control Panel.
For more information about software update terminology, click the following article numbers to view the articles in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
887283 Microsoft Business Solutions CRM software hotfix and update package naming standards