FRITZ!Box 6820 LTE Service - Knowledge Base
Cannot configure port sharing rules
No further port sharing rules can be configured for a device in the FRITZ!Box. When you click "OK", the port sharing rules are not saved and added to the list of port sharings under "Internet > Permit Access > Port Sharing". The FRITZ!Box does not display an error message.
- Error in FRITZ!OS 6.8x
1 Installing the latest FRITZ!OS
This error does not occur with the latest FRITZ!OS:
- Install the latest FRITZ!OS on the FRITZ!Box.