ical: The server responded "HTTP/1.1 403 Forbidden"

Gamenius, you've definitely stumbled onto something here...

I'm on 10.7.1 and my wife and I organize our lives off MobileMe shared calendars. She's using calendars mainly on her iPhone and via the MM web interface.

Since switching over to iCal > Preferences > "Deafult Calendar: Last Selected Calendar" my 403 errors havn't returned today.

The behavior isn't 100% ideal as copy and pasted events change calendars, but overall it's a much better UI setting. Honestly, I had completely overlooked the new preference and it now saves me a few clicks when entering several events.

JFYI I always had the 403 error with "Last Selected" as default. After switching to a different calender I THOUGHT my problems where gone but the just reappeared with other calenders (one that worked before and therefore I did not test).

FWIW the "last calendar" setting did not fix this problem for me.

Gardner, yes it is a setting. I do have an norwegioan version av OS X so I do knot know what it should be in English.

But if You go to Settings for iCal, and under general settings You should find a setting for choosing what should be the default calendar when You are adding a new "post". You could choose "Work", "Home", other calendars You have added ORE the "Latest calendar used (ore something similar to that)"

My wife and I have tried a lot off different solutions to this problem. So far it seams (at least for us) that you have to remove the "posts" that give you the 403 and write in to the calendar one more time, AFTER you have choosed the "latest calendar". Then the problems did go away for us.

Someone helpful in another forum posted this link:

http://support.apple.com/kb/ts3985

This may explain why changing the default settings works for some and also why deleting older entries works for others.

Thenk You for the info kenji.nyc

This means they know off the problem, but they stil have not solved it. This is, at best, a bad workaround......... Lets hope they are working on it.

In order to invite others, you firstly (before you make an activity) have to select yourself in Addressbook and mark yourself as 'Activate as my card' - don't know exact phrase in English- (under 'Cards').

Having done this, it works fine!

Aris

I have had the same experience and sovled it as some here did. There was an ICS event from an airline in my calendar. When I deleted it in my iCal AND in Google, all was suddenly well.

Switching iCloud solved all of this for me. Not helpful if you have to keep running Snow Leopard, but if you're thinking about upgrading to Lion...

Hi,

I'm using Icloud AND I've the same problem. What can I co? There are a lot of ics-invitations from my staff. Most of them use Outlook.

If I create a new event and "go to the server" the event is cancelled.

Hi, just got the same error, I was sending an meeting invite to some folks and got this:

"The server responded:

“403”

to operation CalDAVWriteEntityQueueableOperation." 😟

Not sure if there's a solution.

Cheers

Derek

I'm also getting this error... does anyone have a solution?!

All, I think I have a solution. I did a fair bit of troubleshooting and discovered what was going on in my case. I had three calendars that I shared with my wife when we were both on MobileMe. I upgraded to iCloud/Lion first. No problems - but we couldn't see each other's calendars as expected. A few weeks later, I upgraded my wife to iCloud/Lion. Her Calendar then started having those 403 errors everyone is talking about. I tried turning the iCloud Calendar feature on and off, and even signing in and out her iCloud account in System Preferences to no avail. I even deleted the shared calendars from her system and re-added them again. Still, was getting the 403 errors. I noticed that two of the three calendars were disabled when I created a test event to then try and switch the event onto the shared calendars. Aha, I thought. I now know only two calendars have a problem. So, when I deleted the calendars no more 403 errors. But, if I re-add them, I get the 403 errors again.

The solution is this: I deleted the shared calendars from my wife's iCloud calendar list and then logged into my own iCloud account. I stopped sharing the two calendars in question and re-shared them again to my wife's iCloud e-mail address. Lo and behold, the new invitations took just fine and now, no more 403 errors. So, the source of the problem would appear to be a server-side permissions or backoffice kind of problem. The workaround is to delete the sharing properties (i.e. stop sharing) and then re-share the calendars again. I think maybe now with this information, Apple should be able to home in on a real fix but until then, try this workaround.