I am trying to setup my iOS device with CalDav and CardDav. Using this guide, I have been trying to setup CalDAV or CardDav however, I keep getting “Cannot connect using SSL”. I have SSL setup using a reverse proxy. The cert is not self-signed or anything like that. Service discovery is working co…

When updating the documentation, we figured out that the service discovery was not set up correctly requiring to set a more complicated link than actually needed. The documentation was updated to add a specific hint for the service discovery troubleshooting: Include link to service discovery trouble…

Solution found: For my setup the SSL port is 443. Looks like iOS attemps to use 8443 by default. Generate an app password. For the server url supply: https://domain.name:443/remote.php/dav/principals/users/yourusername Enter your username in the username field. Enter the app password for the pas…

I hit the same error and was able to quickly confirm that for me the problem was .well-known/caldav was not properly configured. So if a search for the error lead you here, definitely check all the steps that @anon72133131 rules out in their post.

CalDav and CardDav iOS issues

ℹ️ Support

v1001001p January 13, 2022, 1:06am 4

Same problem. Solved with @anon72133131 answer on his own topic

Cannot connect IOS cardDAV/calDAV to Nextcloud