Steps to Get correct ICS link for Google Workspace Calendar
1. Steps for G Suite/ Google workspace Admin to grant access.
a. By default, primary calendars are not shared outside of the domain.
b. To change the settings:
Go to google Admin Console > Apps > Google Workspace > Settings for Calendar > Sharing settings > External sharing options for primary calendars
Select Share all information, and allow managing of calendars
c. Note: Changes may take up to 24 hours to propagate to all users.
2. Steps for G Suite / Google workspace user to get the correct ICS link.
a. Go to Google calendar > settings
b. Select the desired calendar
c. Select Secret address in iCal format. If this option is not available, contact your google Workspace Admin.