This happens all the time when the server tries to validate users, it is simply network lag. The server will try again several times. I see this nearly every time my server runs. There is also a WRN EOS route error (the Epic Games crossplay service is not fully implemented yet). Also you may see a WRN EOS error when a user logs off saying their steam ID does not exist, ignore that also.
You have opened a port for Telnet but you have no password on port 8081 (not related to your issue but you are exposing your PC to anonymous logon from the Internet; bad security.
The most probable cause is that you need to clean out all the left overs form your old setup before you go with a new server version. The game launcher (option to run it appears when you start 7 Days To Die from the Steam Library) has tools to clean all the old settings and leftover files. You could start with that. The method of manually deleting the folders does not remove all the leftovers.
Make sure the correct ports are open, LiteNetLib requires a new port UDP 26903 to be opened as well as
the old ones from precious versions:
TCP 26900
UDP 26900
UDP 26901
UDP 26902
Cant connect after new install & new game. Tried to fix for hours :/
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The most probable cause is that you need to clean out all the left overs form your old setup before you go with a new server version. The game launcher (option to run it appears when you start 7 Days To Die from the Steam Library) has tools to clean all the old settings and leftover files. You could start with that. The method of manually deleting the folders does not remove all the leftovers.
Make sure the correct ports are open, LiteNetLib requires a new port UDP 26903 to be opened as well as
the old ones from precious versions:
TCP 26900
UDP 26900
UDP 26901
UDP 26902
Also, A20+ version needs Microsoft Visual C Redistributables 2022 installed, or the new protocols for networking and logon will not work correctly.