This will likely trigger what is called rate limiting and return an empty result that has a flag in the header. The free terms of use has some limits which you may hit if you make a lot of requests in a short period of time. Here some documentation on how to do this: To test things out you can create a Bing Maps account and a basic key which will allow you to use the maps under the free terms of use. One of the many benefits of using Bing Maps over MapPoint is that the data is updated regularly and you don't have to do anything to get access to the new data, unlike MapPoint which required buying a new version of the software and installing it. The Silverlight control is nearing end of life and should be avoided. If you would prefer to use an interactive map control I would recommend one of the following the WPF control, V7 AJAX control, Windows Store (windows 8) control. If you want to access the route data directly you can do this through the REST services: Alternatively you can use one of the interactive map controls and overlay the route on that. You can also generate a static image of a map with a route The Bing Maps Routing Service is really fast and takes around 500ms to calculate a route. In stead of creating the maps and routes ahead of time I would recommend generating them on demand. I recommend doing this to reduce the number of calls you make to the Bing Maps services as this will improve performance and reduce costs. Store the results of the geocodes in your database. Geocoding can be done very easily and you can What your looking to do sounds like it would be very easy to do with the Bing Maps services and there would be no need to use one of the interactive map controls, although that might make for a nice feature. Your application will continue to work until you uninstall it, however over time the data will become out of date.
MapPoint is no longer being sold but is being supported until July.
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