U3's Couch

1. I had manipulate the communication settings on both of the BizTalk machine and the SQL machine using the instructions this article :
   i. http://msdn2.microsoft.com/en-us/library/ms679479.aspx
   
2. In addition, I had added MSDTC into the exception list in the Windows Firewall settings. using the following steps:
   1. In Control Panel, open Windows Firewall.
   2. Click the Exceptions tab, and then click Add Program.
   3. Click Browse, and then add c:\windows\system32\msdtc.exe.
   4. In Programs and Services, select the Msdtc.exe check box, and then click OK.
   
3. I had turned off RPC security , using the following steps :
   1. Start Registry Editor (Regedt32.exe).
   2. Locate the following key in the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC
   3. On the Edit menu, click Add Value, and then add the following registry value:

Finally, AfterI had researched for a long time within the blogs , I found that you should Enable NetBIOS on your network adapter taking the following steps:

1. Start => Control panel => Network Connections
2. Open Properties for the you network connection
3. TCP/IP Properties
4. Advanced and select WINS Tab




5. Ensure that the "Enable NetBIOS over TCP/IP" is selected