I have a rather odd problem with my mac... None of my 4 Google calendars (2 gsuite, 2 normal) sync properly after around 5PM. The Calendar UI only shows The server responded with an error.

I've tried:

  • Clearing the calendar app cache following this procedure
  • Removing and re-adding these accounts entirely
  • Entirely removing ~/Library/Caches
  • NVRAM and SMC reset
  • Upgrading the entire system from Catalina to Mojave

The only clue I have is this line from logs is:

CoreDAVPropFindTask failed: Error Domain=CoreDAVHTTPStatusErrorDomain Code=403 "(null)"

But still no love. Does anyone have any ideas? This is one of the more bizarre computer problems I've ever had.

1 Answer 1


Seems to be a fault on google’s end affecting macos / google calendar integration.

The relevant google support thread is here

  • Curious of the steps listed on the google link worked for anyone. Followed the steps to clear the cache and reset permissions and it somehow got worse?
    – sedavidw
    Mar 2, 2021 at 3:11
  • 1
    @sedavidw no, the steps do nothing for the current issue. imo they should be removed from the google support thread.
    – Scottmeup
    Mar 2, 2021 at 12:43

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