80 port by System process PID-4 occupancy solution

Today, the port of the Tomcat server has been changed to 80 because of the engineering needs, but the start-up is problematic.

Found the error message is the port occupied, so I immediately in the command line typed Netstat-ano view port occupancy

Finally found that the PID is 4 of the process occupies 80 of the port, so happy to open the Task Manager a look dumbfounded, incredibly is

System process, and cannot terminate the process. So search the Internet to find the culprit, the original is loaded

SQL Server for the pot, SQL Server Reporting services reason, just go to the list of services to shut down the process, set to manually solve the

Go to Service List method: Run typing services.msc

The following are the specific practices:

Command line: netsh http show servicestate

Find the process that caused the problem PID termination

80 port by System process PID-4 occupancy solution