It may happen that Port Mapper is not able to create a rule you asked.

There are some steps you might try:

Is the port already in use?

If the port was already forwarded by another machine on your network, mapping may fail.

Is UPnP or NAT-PMP enabled on your router?

This is required for Port Mapper to work.

Unfortunately, this varies by router model so we are not able to assist you in this.

Have more questions? Submit a request


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