Start the Eclipse IDE.

Select Window > Open Perspective > Other... from the Eclipse menu.

Select JBoss AS perspective and click the OK button:

In the JBoss Server View, right click and select New > Server context menu:

In the New Server dialog, select JBoss Inc > JBoss AS 4.0 server type and click the Next button.

NOTE: Do NOT select JBoss > JBoss v4.0 server type.

In the Create a new JBoss Server Runtime dialog, enter:

Name (unique identifier): JBoss 4 EJB 3.0 Runtime

Home Directory: C:\jboss4

Click the Next button.

In the Create a new JBoss Server dialog, enter:

Name (unique identifier): JBoss 4 EJB 3.0 Server

Click the Finish button.

New server will be created:

OPTIONALLY: Try to start and stop new server using toolbar buttons: