com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host localhost, port 1433 has failed
Solution: Multiple Issues i had while trying to connect to SQL Server
sqljdbc4.jar class library provides support for JDBC 4.0. It includes all of the features of the sqljdbc.jar as well as the new JDBC 4.0 methods.
sqljdbc4.jar class library requires a Java Runtime Environment (JRE) of version 6.0 or later. Using sqljdbc4.jar on JRE 1.4 or 5.0 will throw an exception.
sqljdbc.jar class library provides support for JDBC 3.0.
sqljdbc.jar class library requires a Java Runtime Environment (JRE) of version 5.0. Using sqljdbc.jar on JRE 6.0 will throw an exception when connecting to a database.
enu\auth\x86folder of jdbc to