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"There is a problem communicating with the Microsoft Dynamics CRM server" error message when you add members to a marketing list in Microsoft Dynamics CRM 4.0 that has Update Rollup 11, Update Rollup 12 or Update Rollup 13 installed

SYMPTOMS
When you add members to a marketing list in Microsoft Dynamics CRM 4.0, you receive the following error message:
There is a problem communicating with the Microsoft Dynamics CRM server. The server might be unavailable.

If you view the Microsoft Dynamics CRM platform traces, you see a more detailed description of the error:

Exception: System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first.

This problem occurs if the following conditions are true:
  • You installed Update Rollup 11, Update Rollup 12 or Update Rollup 13 for Microsoft Dynamics CRM 4.0.
  • You add members to a marketing list by using the Advanced Find feature.
RESOLUTION
Note If you have installed Update Rollup 12 or Update Rollup 13 for Microsoft Dynamics CRM 4.0, you can apply this hotfix. This hotfix does not resolve the problem that occurs in Microsoft Dynamics CRM 4.0 with Update Rollup 11 installed.

This problem is fixed in the latest cumulative update rollup for Microsoft Dynamics CRM 4.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
949256 Microsoft Dynamics CRM 4.0 updates and hotfixes


Note This problem was originally fixed in Update Rollup 14 for Microsoft Dynamics CRM 4.0.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2389019 Update Rollup 14 for Microsoft Dynamics CRM 4.0 is available
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
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
For more information about Microsoft Business Solutions CRM software hotfix and update package terminology, click the following article number to view the article in the Microsoft Knowledge Base:
887283 Microsoft Business Solutions CRM software hotfix and update package naming standards
Properties

Article ID: 2448885 - Last Review: 11/18/2010 09:28:00 - Revision: 1.0

Microsoft Dynamics CRM 4.0

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