I found this thread about my issue:
Changing the ID after a clone
I followed these instructions:
“Erase the files
key.pem in the config directory. Also, the
And did not do this bit because I wanted to keep the folder config.
“In fact, everything in there unless you want to keep the folder configuration. ”
Tried connecting but saw a message go by on the console about connecting to self - not ok. So killed it to start again.
This time deleted everything in config. Tried again. Got requests to connect from one of the others on the network. But this seems to be trying to connect to two IDs of this computer, and no connections are working with this computer.