http://blogs.msdn.com/b/virtualearth/archive/2008/10/16/400-bad-request-for-virtual-earth-web-service.aspxI've been getting quite a few messages about this &quot;400: Bad Request&quot; error people are seeing when trying to reference the Virtual Earth Web Service, more specifically when trying to fetch tokens so it's worth posting a little something on howen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/virtualearth/archive/2008/10/16/400-bad-request-for-virtual-earth-web-service.aspx#9025297Fri, 31 Oct 2008 00:11:37 GMT91d46819-8472-40ad-a661-2c78acb4018c:9025297svk<p>If you want to create a CS file using a WSDL utility, make sure you include your user name and password, otherwise you’ll get the same ‘400: Bad Request’ error:</p> <p>wsdl.exe /l:CS /n:StagingVEToken /u:USERNAME /p:PASSWORD /out:bin/StagingVEToken.cs <a rel="nofollow" target="_new" href="https://staging.common.virtualearth.net/find-30/common.asmx?wsdl">https://staging.common.virtualearth.net/find-30/common.asmx?wsdl</a></p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9025297" width="1" height="1">