Now I am working on a project which needs to use WCF-SQL adapter so that the BizTalk Server 2010 application can  communicate with SQL 2008 . So the first thing was to create required tables and stored procedures, adding relationship – done with no problem. Now it was time to use “Add Adapter Metadata” and this is where I got error                                                                                   “ No valid adapters installed on the machine. ” Whoa!!!! Now what? I checked the machine , all was configured properly . Had both of them installed: 1.         WCF LOB Adapter SDK 2.        WCF-SQL adapter So what’s the problem? The problem lies in the “machine.config” fi...