Error message when you try to create an appointment by using the Contact form in Microsoft Dynamics CRM 4.0: "At least one recipient does not have an e-mail address or is marked as "Do Not Allow" e-mail"

In Microsoft Dynamics CRM 4.0, you have a contact that allows e-mail communication. The contact has a valid e-mail address listed in the record. When you try to create an appointment by using the Contact form, you receive the following error message: This problem also occurs if you try to create an appointment for an account or a lead that can be a part of an appointment.

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: