Download the copy of the portQry from the below link

http://www.microsoft.com/downloads/details.aspx?FamilyID=89811747-C74B-4638-A2D5-AC828BDC6983&displaylang=en

Below command checks if   Remote computer TCP Port 445 is open or closed
PortQry.exe -n <IPAddress> -e 80 -p TCP

Below command checks if Remote computer UDP Port 445 is open or closed
PortQry.exe -n <IPAddress> -e 80 -p TCP

Below command checks if Remote computer TCP and UDP Port 445 is open or closed
PortQry.exe -n <IPAddress> -e 80 -p BOTH

Below command check if all the local computer port is open
PortQry.exe -local