OK, I figured out. Have a Bing Map Developer Account is just the first step. Next you need to create a Bing Map key use your developer account following the instruction in Bing Map Help and then use it to configure the Bing Maps in the SharePoint using steps described here
Signed in members can post, follow updates, and more. New here? Register a free account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.