mrmarkuz
(Markus Neuberger)
2
I think you need a letsencrypt cert with the subdomains pubsub and conference:
http://docs.nethserver.org/en/v7/chat.html#client
You may also try to change connection to AD to use port 636 with SSL in account provider settings.
Last resort may be to disable the strong auth but it’s bad for security:
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