As a workaround: in ~/.config/evolution/sources create a file calendar.source
$ touch calendar.source edit it: [Data Source] DisplayName=<Calendar> Enabled=true Parent=webcal-stub [WebDAV Backend] AvoidIfmatch=false CalendarAutoSchedule=false DisplayName= EmailAddress= ResourcePath=</Enter/your/CalDAV/URL/here> ResourceQuery= SslTrust= [Offline] StaySynchronized=true [Calendar] BackendName=caldav Color=#6666CC Selected=true [Authentication] Host=<your.mailhost.com> Method=plain/password Port=80 ProxyUid=system-proxy RememberPassword=true User=<YourUserName> CredentialName= [Security] Method=none [Refresh] Enabled=true IntervalMinutes=1 <can be substituted to suit your requirements> -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1722455 Title: Creation of mail/contact/calendar accounts impossible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1722455/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs