Download JDBC SQL SERVER 2012

Go to Services window in Netbeans. List Drivers node. If on the list it isn’t SQL JDBC driver you must download it.

Go to http://www.microsoft.com/en-gb/download/details.aspx?id=11774  website.
Click the Download button. Then click the exe file.

I download this file into jdbc folder.

Then you must any zip program unzip this file. Click the Browser button.

Set path for jdbc files. I set D isc.

Click the Unzip button. You see jdbc4.jar file in sqljdbc_4.0/enu folder.

Close unzip program, clicking the Close button.
In this step you may go to Services window. Right click the Drivers node and choose New Driver.
You see empty New JDBC Driver. Click the Add button.
Select downloading sqljdbc4.jar driver.
Click the Open button. In Name field write Microsoft SQL Server 2012 and click the OK button.
On the list of drivers you see SQL Server driver.