Hello Romu how do you do to sync your google calendar ? What do you put on the field the gui provide ? I had try this but it didn't work : sync url : https://www.google.com/calendar/dav/...olution=Google web url : empty or http://www.google.com username : myusername or myusername@google.com password : mypassword calendar database : calendar calendar synchronization : normal sync calendar source N900 and when i try synchronize, i get error 10500