Error message when you try to change a logon user account in the Specify Security Account page in Microsoft Dynamics CRM 4.0: "The Microsoft CRM services account is not valid"

You configure the Data Migration Manager (DMM) in Microsoft Dynamics CRM 4.0. When you try to change a logon user account in the Specify Security Account page, you receive the following error message:

This problem occurs because you use a domain that is upgraded from a Microsoft Windows NT 4.0-based domain. The domain uses ".com" as the NetBIOS name. Therefore, the account cannot be authenticated in the DMM.

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:

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: 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: