ICloud not syncing calendar properly (iPad, iPhone, Mac)

Recently my iCloud calendar hasn't been syncing properly to my iPad. I just realized this and turned off/on the calendar option in iCloud (for all of them) but this didn't do anything besides wipe all my appointments from my iPhone. I don't know how to get them to come back. The appointments still show up on iCloud.com as well as on Calendar on my Mac. Just not on my iPad and apparently now my iPhone too. When I add a new appt on my Mac or iCloud, they show up on the other one, but not on iPhone or iPad.
Please help!
Thanks.

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Icloud not syncing calendar with ipad

My 2 iphones have synced the calendars to icloud but my ipad 2 does not get the calendars from icloud to it. How do I do this???

I also had this problem, with syncing calendar events from my iPhone to my Mac. If I added an event on the iPhone itself, the event never showed up on either of my Mac's iCals. The reminders did not sync in that direction either. The only way to get an event to show up everywhere was to sit there and copy it off of my iPhone into my Mac when I'm sitting at the Mac. I did not realize this until I missed an appointment.
But I figured out how to fix it in my situation - looks like just another aspect of a sloppy rollout of iCloud. Once you have switched to iCloud, the iPhone now has a strictly local calendar, called "Calendar" by default. It also has another calendar with the same name "Calendar," except that one is an iCloud calendar that syncs, and is the same as your old MobileMe default Calendar. You will see this if you tap the "Calendars" button at the top of your iPhone's iCal display, which allows you to change which calendars are viewable.
But when you enter an event in iPhone, post-iCloud, the pulldown to select which calendar will contain the event defaults to the non-syncing "Calendar," because Apple has listed the local duplicate Calendar first in the hierarchy. This looked absolutely identical in the pulldown to my regular fully-functional Calendar except for a very slight difference in the color of the bubble, so I did not notice, and I can't imagine most people would notice that they're now entering all their events in an impostor "Calendar" which is basically non-functional. (What possible use is a calendar that doesn't sync to anything?) I finally noticed this when I was preparing to post the issue, and I noticed that my other two calendars (named "Diary" and "Exercise") had apparently been syncing both ways just fine. When I decided to post a new event to all three of my calendars at once, to do the test, that's when I noticed the imposter "Calendar" was overriding my Calendar of the same name. The reason events had been syncing when I entered them into the Mac, but not vice-versa, was that iCloud did not create a similar local-only Calendar in the Mac iCal app.
So to avoid having to pull down and choose the real Calendar each time I enter an event, I made the fake Calendar unviewable. (you do this in the Calendars button of iCal, not in Settings.) It is remarkably stupid to cause a rollout to change everyone's default calendar from syncing to local, without them having a ghost of a clue. Even if there might be some use for such a silly-seeming feature, it should be enabled only by conscious choice and not through a rollout.
Hope this works for you too. I assume the steps would be the same for an iPad.

Itunes could not sync calendars to the iPhone because the iPhone disconnected

Just went to sync my iphone today and got this message:
iTunes could not sync calendars to the iphone because the iphone disconnected.
Any ideas what the problem might be. Had not had this happen to me before.
Can't be iCloud because the only thing I use that for is Find My Mac.
Restarted iTunes as well - still get the warning notice.
Any ideas?

I have the same issue - it just started happening. Any suggestions out there??

"iTunes could not sync calendars to the iPhone "ABC" because the iPhone disconnected"

Hi.
So, I have an iPhone 4 running iOS 4.3.5. I am syncing it using iTunes version 10.4.1 running on a MacBookPro running Mac OSX 10.7.1.
When I do a sync it runs through the usual steps, including the step where it says it is syncing calendars, and each step appears to complete in the iTunes window. However, as it finishes, a warning message appears saying "iTunes could not sync calendars to the iPhone "ABC" because the iPhone disconnected". Here's a screen grab of the error message:-
Now, the phone has not physically disconnected. I'm a bit baffled by this. It is a new iPhone 4, but inital syncs were performed without any difficulty. I have tried inserting a TEST event, to make sure that there is in fact a difficulty with the sync, and I can confirm that the error is not a phantom; syncs are not taking place. In additon, I have tried (albeit not methodically) to vary the particular calendars that are to sync, and the sync settings around old events, but to no avail.
Any suggestions for trouble shooting this would be gratefully received.
Thanks.

Seems a workaround solution is here: https://discussions.apple.com/message/9159203#9159203
This seems to solve the problem but we'll wait and see...

"iTunes could not sync calendars to the iPhone "name" because the sync server failed to sync the iPhone".

I get the message "iTunes could not sync calendars to the iPhone "name" because the sync server failed to sync the iPhone" every time I sync the iPhone 3GS with iTunes by USB. Can anyone help? Please !!!!

I posted the following to "iTunes could not sync calendars to the iPhone "xx" because the sync server failed to sync the iPhone. What does this mean??" at https://discussions.apple.com/message/15820680#15820680
I haven't seen it mentioned but the secret is to
Sync only selected calendars
Select "Remove Calendars" from the popup window
(This is ambigous: from where are the calendars removed? From the device being synced to)
Click apply.
Oops! My memory is already gone stale. I think I left no calendars selected, then clicked apply. Then I selected the calendars that I wanted, then clicked apply.
In any case, I had a blank calendar on my iPad and then I had all the updated events that I wanted on my iPad.
Thanks to all who provided some of the essential clues to resolving this problem.

When syncing my iphone i get a msg, "itunes could not sync calendars to the iphone because an error occurred while merging data" I sync my calendar to outlook. My iphone calendar has all and the most updated information. Outlook shows only recurringMY

I'm at a loss as to what to do. Any help is appreciated. When syncing my iphone I get an message, "itunes could not sync calendars to the iphone because an error ocurred while merging data" I sync my calendar to outlook. My iphone calendar has all and the most updated information. Outlook calendar only shows my recurring events.

hi there,
i've found a great & simple solution for this problem
just open your iCloud acc on iPhone
turn off calendars (it wil ask you to keep info or not - KEEP IT!)
and turn back on (MERGE!)
now SYNC it..
and that's it
PS in my case it was contacts so the procedure is the same..

ITunes could not sync calendars to ---'s iPhone because the sync server failed to sync the iPhone

iTunes could not sync calendars to ---'s iPhone because the sync server failed to sync the iPhone. How can this be resolved? I can figure out if the sync server failed to sync then iTunes would not sync the calendars. Everything syncs on my iPad mini 3 wifi and my iphone syncs my contacts but not the calendars. So what gives?

Brenden,
thanks for the reply, but the troubleshooting tips seemed to concentrate on 'Lion"," Snow Leopard" and the like, I haven't a clue what any of that is. I am using Windows 7 Pro with Service Pack 1 on my desktop and my iPhone is using iOS 8.1.2, as is my iPad mini. As I said on my previous post, syncing on my iPad mini works fine, It is just the iPhone that fails to sync the calendars. Hopefully a solution can be found as it is difficult to keep things synced on my iPad and then have to add everything manually onto my iPhone.
Jack

When I sync my iPhone with iTunes I get an error message that says "iTunes could not sync calendars to the iPhone because the sync server failed to sync the iPhone"

When I sync my iPhone with iTunes I get an error message that says "iTunes could not sync calendars to the iPhone because the sync server failed to sync the iPhone" How do I fix this?

I had the same problem. I found this site http://itprokb.blogspot.com/2010/10/itunes-could-not-sync-calendars-to.html
It worked for me. Good luck!

TS2634 My problem - when syncing and error messages comes up: iTunes could not sync calendars to the iPhone because an error occurred while margin data." I've tried turning the phone off and back on, & tried both USB ports but get the same thing. What

My problem - when syncing and error messages comes up: iTunes could not sync calendars to the iPhone because an error occurred while margin data." I've tried turning the phone off and back on, & tried both USB ports but get the same thing. What can I do next since it doesn't give me even one clue as to what the error would be?

Before I started to resync calendars one by one as suggested in the troubleshooting article, I remembered something that came up in a sync when I first attempted : a 'which one do you want to keep' message about a repeating calendar event, which came up with three options, one from Calendar, and two from iCal on the phone. I deleted that event, then went through the calendar resync one by one, and all seems OK now.
In Music there is a way to find 'ghost' items that show up as grayed-out on the menus, so that you can try to reassociate or delete them. It would be nice to have a similar way to work with Calendar!
Thanks for pointing me to the right article.

Itunes could not sync calendars to the iPhone "TheButler's Phone" because the sync server failed to sync the iPhone, anyone?

Hi
This is the error message that I recieve when I try to sync:
Itunes could not sync calendars to the iPhone "TheButler's Phone" because the sync server failed to sync the iPhone, anyone?
Everything has worked perfectly for over 1 year, this is an all of a sudden event.
Thank you,
Ron

If using Outlook, follow the directions here:
http://support.apple.com/kb/TS2776

HT1386 When I sync my iPhone5 with my Macbook Pro I get the following message "iTunes could not sync calendars to the iPhone because the iPhone disconnected". The strange this is that the phone did not disconnect because it sync my contacts and is chargin

When I sync my iPhone5 with my Macbook Pro I get the following message "iTunes could not sync calendars to the iPhone because the iPhone disconnected". The strange this is that the phone did not disconnect because it sync my contacts and is charging.
Why does this happen? I have tried several cables and it does the same thing.

Try:
https://discussions.apple.com/message/15519179#15519179

I am getting this for the first time when i sync .iphone 3gs error message itunes could not sync calendars to the iphone because the sync server failed to sync iphone

i am getting this for the first time when i sync .iphone 3gs error message itunes could not sync calendars to the iphone because the sync server failed to sync iphone

I have tried the suggestion to reset the sync log to no avail. Anyone have another idea? This just started after I downloaded 4.3.5.

ITunes could not sync calendars to the iPhones

iTunes could not sync calendars to the iPhones. please if you encounter this problem, let me know how to fix it

Did you already try the suggestions mentioned here? Sync Services: Advanced troubleshooting for contact and calendar syncing

I am getting a sync error between iphone and Outlook 2007: ITunes could not sync calendars to the iphone because the sync server failed to sync the iphone. How can I fix this?

I have the "sync calendars" checked.
This happens about every three months and drives me crazy!
I have a 2G iphone on T-Mobile.

i use outlook for my work email, but my personal email is in gmail. besides work email, i do not use outlook at all.
i get my work email on my iPhone, but i do not sync calendars and contacts as i have to use an imap connection for work, and this does not allow for calendar or contact syncing.
i have seen a gmail/outlook sync tool, but i am afraid i do not use it so i can not offer any help with it.
Message was edited by: Sboq

Icloud not syncing bookmarks properly anymore.

icloud isn't syncing bookmarks properly anymore. It was working fairly well for a while there. I seem to have some instances of bookmark deletion being replicated but not bookmark addition. This isn't consistent though. I don't have any major duplication of hundreds of bookmarks (yet) but my new ones aren't always appearing everywhere as they used to.
A quick search on twitter shows that this is becoming more and more common.
I've already submitted feedback to Apple about this. I suggest everyone else having problems do the same.

I found this on another post in Apple Forums, so I copied and pasted it here: Bookmarks not syncing to Mac (scroll down to "binaryBytes" post or just read it below)
"I was having the same issue as well - iCloud Safari bookmarks were syncing on my iPhone and iPad but not on my Macbook Air or Macbook Pro. Here is what I did and it started working perfectly:
1.     Turned off iCloud bookmark syncing on my Macbook Air
2.     Quit Safari
3.     Turned on iCould bookmark syncing back. It warned me that all my bookmarks will be 'merged' and I agreed since the two computers were almost identical anyway.
4.     Opened Safari and all my bookmarks were synced! A few extra bookmarks on my iMac were added to Macbook Air and any new bookmarks I had added to Macbook Air showed up on my iMac."
I hope this helps resolve your issues. It resolved mine.

ICloud not syncing calendar properly (iPad, iPhone, Mac)

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