Transact-SQL Debugger for SQL Server 2008

1. http://blogs.msdn.com/b/billramo/archive/2009/04/11/transact-sql-debugger-for-sql-server-2008-part-2.aspx

steps: 

1. go to Control panel

2. click windows firewall icon

3. 

2. http://blogs.technet.com/b/mdegre/archive/2011/10/04/unable-to-start-t-sql-debugging-could-not-attach-to-sql-server-process.aspx

3. http://www.mssqltips.com/sqlservertip/1695/sql-server-2008-tsql-debugger-is-back-in-ssms/