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ical The server responded: “403” to operation CalDAVWriteEntityQueueableOperation., ical The server responded: “403” to operation CalDAVWriteEntityQueueableOperation.

When I run ical on my mac I get the error


The server responded with an error.


Access to “name of an event in my calendar” in “category of event in my calendar” in account “iCloud” is not permitted.


The server responded:

“403”

to operation CalDAVWriteEntityQueueableOperation.


How can I fix this problem?


I have searched through old events to delete but they seem to repopulate and keep the error going. The event in quest was created in an old .mac account

iMac, Mac OS X (10.7.3)

Posted on May 2, 2012 6:52 PM

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Posted on Apr 23, 2017 5:27 PM

I deleted the files as you suggested, but now all my calendar accounts are gone. New cache files were created when I started Calendar again, but nothing is being rebuilt. Doesn't appear that iCal is doing anything in the Activity Monitor either.


Any idea how long this will take? Fortunately, all of my iCal calendars are still in iCloud but those aren't syncing either.

159 replies
Question marked as Best reply

Apr 23, 2017 5:27 PM in response to Cerniuk

I deleted the files as you suggested, but now all my calendar accounts are gone. New cache files were created when I started Calendar again, but nothing is being rebuilt. Doesn't appear that iCal is doing anything in the Activity Monitor either.


Any idea how long this will take? Fortunately, all of my iCal calendars are still in iCloud but those aren't syncing either.

Apr 24, 2017 12:05 PM in response to agbontrager

My calendars are there too in iCloud. I remember thinking some harsh thoughts 😠 and then the calendars started to re-populate.


As much as I hate to admit it, the Windows-fix (reboot) helps trigger the reconnect to your calendar data in iCloud. I would first try logging out of the user account and logging in just for bragging rights of not having to reboot 😉

May 1, 2017 8:43 PM in response to Sidelines

My workaround is to observe that there is a notification on my screen for a few seconds after I double-click a calendar invite. While Calendar generates an error, clicking on the notification works, and the event gets added to my calendar without a problem. Once I took my attention away from the error, and just dismissed it, I noticed the notification, and my life got better.

Aug 8, 2012 1:10 PM in response to Sidelines

What worked for us was this:


1. The subscribed calendars would not work any more because of 2 things a) they were upgraded to iCloud accounts AND b) the lapto was not running Lion or later. It was running Snow Leopard.


This OS was not compatable AT ALL with iCloud accounts. I didn't know the connection between iCloud and needing the latest OS was so important.


There wre also several @me.com accounts that weren't needed in the iCal calendar list.


I think the last step would be to somehow link to the orignial @me.com account to the laptop that is not running Lion. That type of question would probably be answered somewhere else.

Sep 10, 2012 5:35 PM in response to Sidelines

Hi Sidelines,


This actually help me solve my problem: I starterd iCal (or Calendar) in debug mode.


  • Launch Terminal
  • For iCal (10.7 and before)

    Type "/Applications/iCal.app/Contents/MacOS/iCal -LogHTTPActivity YES"

  • For Calendar (10.8)

    Type "/Applications/Calendar.app/Contents/MacOS/Calendar -LogHTTPActivity YES"

  • Once you have your app started and some good info in the consol, copy/paste in console's text in your favorite text editor and search for the word "ERROR" or something similar.


For me, it helped my find out that one of my calendar attachments had a bizarre character in its name! Renamed it and everything was solved!


Hope this helps you.

Sep 12, 2012 5:29 PM in response to Sidelines

I haven't had this error occur recently perhaps it has been resolved with Apple updates?! Or it's lurking in the shadows. I now have a new problem with ical in that All-day events that are across multiple days do not sync from my desktop to icloud! A bit frustrated with ical /contacts syncing between devices. Everything is out of sync.

Oct 5, 2012 11:50 AM in response to Sidelines

Spent 2-1/2 hours with a "genius" and this problem is not fixable. For me it is when I get an outside meeting invitation from Outlook or Lotus Notes. They are just not compatible with iCal. This usually happens if it is a recurring event. If it is a single event, it will work if I open the attachment in the email and download it. Otherwise, we are all out of luck. No one from Apple seems too concerned. The geniuses even opened up a customer service ticket where I had to call Apple and they also told me that there was nothing they could do.

Oct 16, 2012 3:58 PM in response to Sidelines

We previously had a similar issue when migrating multiple accounts from MobileMe to iCloud. The issue was resolved by disabling and then enabling iCal sync through iCloud on our iMacs in System Preferences.

Always backup your calendar before troubleshooting (File > Export > iCal Archive).

The following steps are roughly from a Apple Support Community discussion.

  1. Open iCloud in System Preferences.
  2. Switch off (uncheck) iCal sync in iCloud System Preferences pane.
    Backup iCal before doing this. You will need to remove calendar data.
  3. Open iCal and verify the iCloud account is removed in the iCal preferences under accounts.
  4. Close iCal, reopen System Preference and switch on (check) iCal sync in iCloud System Preferences pane.
  5. Reopen iCal and verify the iCloud account is enabled in the iCal preferences under accounts.

At this point if the problem persists you might try completely signing out of iCloud and then signing back in. But remember to backup all related data (iCal, Contacts, Mail, Photostream, etc) before turning off iCloud sync!

Oct 16, 2012 10:05 PM in response to Sidelines

I have tried all of the 'fixes' here and on the rest of the net. The only thing I can pinpoint it down to is when im adding more than one event at a time (ie importing my work roster from an *.ics file). It appears to fail to sync more than one event at once. I loaded them all up individually (read PITA!) and it worked. C'mon Apple?! Fix this stuff please... The problem is NOT new.

ical The server responded: “403” to operation CalDAVWriteEntityQueueableOperation., ical The server responded: “403” to operation CalDAVWriteEntityQueueableOperation.

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