Customer source

http://www.microsoft.com/dynamics/en/us/customersource.aspx

Microsoft Dynamics CustomerSource is an information-packed, password-protected site for customers who use Microsoft Dynamics products. Included as a benefit of your service plan, CustomerSource allows you to search a powerful Knowledge Base for Microsoft Dynamics, view unlimited online training for Microsoft Dynamics, download updates, and find other timely information and resources virtually 24 hours a day. (Sign-in required.)

see also Partner source