Dynamics CRM External Connector with Software Assurance An External Connector grants access to the server by an unlimited number of external users such as business partners, suppliers, customers, retirees, and alumni. Basically, an external user is a person who is not an employee or similar personnel of the company, such as a business partner or customer. With this license you do not need to buy individual CALs. It is licensed per server. This Limited External Connector provides external users with read only access. This External Connector license includes Microsoft's maintenance program Software Assurance For licensing questions contact our Microsoft Certified Licensing Experts at 1-800-474-1045 ext 3.