To start the conversation again, simply ask a new question. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. In response to _nicolas-. 4. Sep 23, 2019 3:42 AM in response to robefran The one on the left is for High Sierra 10.13.6, and the one on the right is for Mojave 10.14.4. Looks like no one’s replied in a while. I restored my authentication functions by signing out iCloud: After that, somehow, mail accounts (office365, google, iCloud) stopped asking for credential again. “Google requires completing authentication”. What you get is no new website loaded in safari if safari is already open. While accessing their Gmail accounts in the Mail app, the “Google requires completing authentication in Safari” message displays. Sep 20, 2019 6:24 AM in response to _nicolas-
FWIW, Safari 13 for Mojave is broken. The different builds for Safari 12.1. Sep 21, 2019 7:59 AM in response to Wooyunlong To start the conversation again, simply ask a new question.

The one on the left is for High Sierra 10.13.6, and the one on the right is for Mojave 10.14.4. Happened when I updated to Safari 13. How to fix Mojave 10.14.4 fails to Authenticate gmail account 1. In response to Wooyunlong.
I'm trying to add my Google Account to my iMac (MacOS Mojave 10.14.6 with Safari 13.0). Feedback - Safari - Apple, Sep 21, 2019 12:56 PM in response to dialabrain Same here.



Did you by any chance upgrade to Safari 13.0? Once you agree and complete the authentication in Safari for macOS, you will get an email from google that macOS was granted access to your Google Account. It attemps to open a google authentication page in safari and fails. In response to _nicolas-. Hope it gets fixed sooner rather than later. Wooyunlong, Sep 21, 2019 7:52 AM in response to _nicolas-, Sep 21, 2019 7:59 AM in response to Wooyunlong, User profile for user: “Google requires completing authentication”. Note how the Mac is running High Sierra because it’s too old to run Mojave and that it as a non-Retina display. Just updated to Mojave 10.14.4.

Users can enjoy Apple News+, automatic Dark Mode switching in Safari, and more. Less, User profile for user: _nicolas-, Cannot add Google Account to MacOS Mojave, User profile for user: I think this is where the issue may be coming from. I am having the same issue. Same error here. You have to completely restore the Mac. iCloud account does pop up a window for me to input password, but when entered, it keeps telling me "unknown error occurred". With the options "Cancel" and "Open Safari". Now I’m getting a request in Mac OS calendar to enter the password for the Google account. macOS 10.14.4 brought a number of nice new features to Mojave. Google Requires Completing Authentication in Safari.

Both personal and business email accounts now borked on the Mac using Mail. Sep 20, 2019 7:56 PM in response to thirstybear thirstybear, Sep 20, 2019 7:58 AM in response to _nicolas-, User profile for user: Since then I get the message: "Google requires completing authentication is Safari" In the Internet-Accounts, my Google Account exists.