Bing Map Key
To use Bing Map as a background layer, you must enter in a valid Bing Map Key.
The Bing Map Key is stored as a global setting for this product.
You cannot enter in a blank string. If you enter a blank string, a red error icon will appear to the right of the text box with the tooltip The value cannot be blank.
To create a Bing Map key, see the following page: