Failed to start HTTPSListener@743: Address already in use: JVM_Bind

Hi, all,
When I config the port and then enable the port, I get this message below:
Failed to start HTTPSListener@443: Address already in use: JVM_Bind.
I have checked the IIS , and find out this port not in use.
So could you give me some advice ?
Thanks in advance.

If you’re getting that error, then there should be a process which is listening on that port. From the comand line, run netstat -ao. This will display all connections and listening ports along with their process IDs. You can then investigate what process is already listening on port 443.

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