Windows ec2 instance as build agent

When I tried to start windows ec2 build agent in jenkins, it is not getting connected. As I have allowed the ports :Port 3389 Ports 137-139, 445 Ports 80 (HTTP) and 443 (HTTPS),and port (5985 and 5986). Which other port is required any idea? as when I allowed (0 to 65536) it worked, but not able to find which port I am missing