Error Code: 2306-0520
You are unable to join an online match and you receive the error code 2306-0520.
- Restart the Nintendo Switch console.
Hold the POWER Button down for three seconds, and then select "Power Options" followed by "Restart."
- Manually enter an alternate DNS.
If the DNS you are attempting to use is not working, entering an alternate DNS may resolve this issue.
- Power cycle your home network.
Restarting your network devices may resolve this issue if it is related to the devices being unresponsive.
Situation Not Resolved:
If you would like further assistance with the Nintendo Switch console, please contact our Customer Support.