http://blogs.msdn.com/justinjsmith/archive/2008/04/08/biztalk-services-and-add-service-reference.aspxOne of the little known features of BizTalk Services is it's support for metadata. There's a sample in the SDK (default path: C:\Program Files\Microsoft BizTalk Services SDK\Samples\Communication\ExploringFeatures\Metadata\MetadataExchange\CS30) thaten-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/justinjsmith/archive/2008/04/08/biztalk-services-and-add-service-reference.aspx#9286893Wed, 07 Jan 2009 09:26:33 GMT91d46819-8472-40ad-a661-2c78acb4018c:9286893Mehul Gadhia<p>Hi Justin, </p> <p>I always get the &quot;Windows Cardspace&quot; authentication dialog poped up whenever I try to add a Service Reference to my &quot;sb://servicebus.windows.net/services/&lt;SolutionName&gt;/&lt;ServiceName&gt;/&lt;InstanceID&gt;&quot;</p> <p>I want to use the UserName / Password authentication instead of Windows Cardspace as my Service is written in Java using the jdotnetservices.</p> <p>Please let me know your thoughts on it.</p> <p>FYI .. I am using the .Net Services Dec 08 CTP SDK.</p> <p>Best,</p> <p>Mehul </p>