http://blogs.msdn.com/b/astoriateam/archive/2009/09/03/using-the-ado-net-data-services-silverlight-client-in-x-domain-and-out-of-browser-scenarios-i.aspxWith the release of ADO.NET Data Services v1.5 CTP2 , you can now use the Silverlight Astoria client library to access Cross-Domain services and applications written with the new client library can go out of browser. The new Client Http networking stacken-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/astoriateam/archive/2009/09/03/using-the-ado-net-data-services-silverlight-client-in-x-domain-and-out-of-browser-scenarios-i.aspx#9914078Wed, 28 Oct 2009 14:20:56 GMT91d46819-8472-40ad-a661-2c78acb4018c:9914078Rashun<p>I found the resolution the clientaccesspolicy.xml has to be at the root of the site not the virtual directory. That the application is running from.</p> <p>Keep up the good work with ADO.Net Data Services. &nbsp;Also have someone ping the VSTS team, and add a project option to deploy this file.</p> <p>Thanks</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9914078" width="1" height="1">http://blogs.msdn.com/b/astoriateam/archive/2009/09/03/using-the-ado-net-data-services-silverlight-client-in-x-domain-and-out-of-browser-scenarios-i.aspx#9913692Tue, 27 Oct 2009 20:41:45 GMT91d46819-8472-40ad-a661-2c78acb4018c:9913692Rashun<p>And to add to my previous comment I changed the URI to read: http://[ComputerName].[Domain]/DataServiceHost/DataService.svc/. &nbsp;Also I review your ClientAccesPolicy.xml file and it seems to be configured correctly. I'm having the same issue with my own project. &nbsp;Any ideas?</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9913692" width="1" height="1">http://blogs.msdn.com/b/astoriateam/archive/2009/09/03/using-the-ado-net-data-services-silverlight-client-in-x-domain-and-out-of-browser-scenarios-i.aspx#9913686Tue, 27 Oct 2009 20:33:07 GMT91d46819-8472-40ad-a661-2c78acb4018c:9913686Rashun<p>I've download your example and changed to use IIS instead of Cassini(local webserver). &nbsp;And I receive a security exception. &nbsp;Which I believe is a x-domain error. &nbsp;What configuration is required for IIS?</p> <p>Thanks</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9913686" width="1" height="1">http://blogs.msdn.com/b/astoriateam/archive/2009/09/03/using-the-ado-net-data-services-silverlight-client-in-x-domain-and-out-of-browser-scenarios-i.aspx#9892639Tue, 08 Sep 2009 18:55:30 GMT91d46819-8472-40ad-a661-2c78acb4018c:9892639Mike Flasko<p>@Tobi - both supporting Basic auth and NTLM are on our near term radar. &nbsp;We are working closely with the Silverlight networking guys to see how soon we can get this supported in the HTTP stack we use for xdomain access.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9892639" width="1" height="1">http://blogs.msdn.com/b/astoriateam/archive/2009/09/03/using-the-ado-net-data-services-silverlight-client-in-x-domain-and-out-of-browser-scenarios-i.aspx#9891988Sun, 06 Sep 2009 22:25:17 GMT91d46819-8472-40ad-a661-2c78acb4018c:9891988Tobi<p>Hi,</p> <p>We use ADO.NET Data Services to provide a restful interface to our software. We'd like to use it for out Silverlight 3 apps as well but we have to use basic auth as we also need to be able to have other non ms systems access our data services.</p> <p>Any suggestions or is NTLM support comming eventually?</p> <p>Regards</p> <p>Tobi</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9891988" width="1" height="1">