I have a domain controller installed on virtual Windows Server 2008 x64.
Windows Server 2008 x64
SQL Server 2008 Express x64 is running on Windows Server 2008 x6
SQL Server 2008 Express x64
Windows Server 2008 x6
You have to enable remote debugging on the database. You could run the following to do that.
%ProgramFiles%\Microsoft SQL Server\100\Shared\1033\rdbgsetup.exe
Also, make sure you can connect to the remote SQLServer before you debug, since your logs point to a connection issue.