Apologize if this is somewhere else, search does not produce any similar threads. Problem: I had my google calendar syncing via caldav. All was good but somewhere in the past 30days I lost the ability to sync. I changed nothing. Now I get a popup asking for my password. When I re-enter this password, I get an error. The password is correct... I go online via the computer and log in. Similarily, the same problem is occuring on my iphone, which I had set up the same way. I deleted the iphone account and tried to set it up again but get "unable to verify account." I also attempted to set up as an exchange account to same problem. Ipad OS version 4.3.2 (8H7). Iphone OS 4.2.1 (8C148). Any suggestions?