Problem
When I try to login to a remote site by clicking the key icon in WATO → Distributed Monitoring, I receive the error message "Cannot connect to remote site: Authentication to web service".
Solution
Please check the URL of remote site in the site connection in WATO → Distributed monitoring. This specific error message is a very strong indication, that the protocol is very likely just missing an "s". Please check if the site you are trying to connect to is running on https and update the field URL of remote site accordingly.
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