Thank you @sbohmer, your confirmation about the 2.0+ URL pointed me to the solution. Previously I had only changed the value of the URL, but had not created a new server. I realised, that there was a certificate of ios.meraki.com in the properties of my old server config, which did not change when I put in a different URL. By creating a new server with the 2.0+ URL, I saw the certificate *.meraki.com in the properties. Afterwards it worked immediately. So my fault was to rewrite the registration url of an existing server, not creating a new server with registration url. Hope this helps! ... View more

Hello I'm facing the same issue, but removing my organization and re-creating it in AppleConfigurator2 doesn't work either. The last time I successfully registered a device was on April 6th 2023, not sooo long ago. Could this be related to a certificate, but if yes, to which one? @alexnilssonwhat URL do you use in AppleConfigurator2? Until now, I always had https://nxx.meraki.com/apple_mdm/profile/xxx?org=12345, but I already tried changing it to https://nxx.meraki.com/?id=xx&org=12345, which changed nothing... ... View more