ITunes could not sync contacts ... because the iPhone disconnected

I had both an iPhone 3GS and iPod touch (2nd gen w/ 3.0 software) syncing to Mobile Me and to my mac. All seemed well except I had a few duplicate entries in contacts. In trying to clean up the duplicates in MobileMe syncing I turned off contact syncing on the phone then turned it back on again. Then I started getting the following error.
iTunes could not sync contacts to the iPhone "iPhone" because the iPhone disconnected.
I've: reinstalled iTunes, completely wiped the iPhone back to factory, Forced a refresh of MobileMe from the Mac to Mobile Me.etc. Symptoms seem to be getting worse instead of better. Now the iPod touch is also screwed up and has the same error as above except for the reference to iPhone.
Current status:
iPhone: Contacts - Had a mess, but I seem to have it working. One set of contacts. Calendar - will not sync with Mac. Synced to MobileMe, but empty. Get spinning network activity symbol when in Calender app.
iPod Touch - Calendar will not sync with Mac. blank synced with Mobile me but empty, Contacts has the separate On my Mac and Mobile Me group listings, but otherwise seems ok. Syncs with Mac.
iPod Nano - Contacts seem ok, Calendar seems ok,
MobileMe - Once I reset it seems ok.
Other info that may or may not apply. There are two other Macs synced by MobileMe. I've reset them as well. Multiple user accounts on each machine.

By wiping both iPhone and iPod and trying syncing with another computer I've come to the conclusion that something with MobileMe sync is the problem.
I can set up both to work fine with my Mac Pro and a new Mac Book Pro as long as I don't set up MobileMe syncing. As soon as I sync with MobileMe I start having problems, particularly with Calendar.
MobileMe seems to work fine computer to computer, until the iPhone/iPod get involved, then the MobileMe copy gets messed up. Version on computer seems to stay ok.
Not sure where to go from here... other than call Apple or go to the Apple Store.

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ITunes could not sync contacts to the iPhone because an error occurred

When I connect my iPhone to my iMac (OSX version 10.6.6), and open iTunes and select "sync" - everything syncs (my Apps, Music, Movies, TV Shows, Podcasts, books, Photos and Calendars). However, I get an error message popping up saying: "iTunes could not sync contacts to the iPhone because an error occurred while merging data".
I have unchecked the contacts button in iTunes and then sync works fine.
I have deleted all my contact in my Address Book on my iMac and tried to sync. Again, same error message as above.
I have not tried to restore the iPhone as I am worried to loose my contacts saved on my iPhone.
Who know how to solve this problem? Thanks

Hi Charlotte
I had the same problem for one year now and it affected my contacts, then later my calendar.
I followed the Apple troubleshooting guides and finally managed to make it work again.
First try the following guide:
iPhone, iPad, iPod touch: Troubleshooting contact and calendar syncing via USB on Window
http://support.apple.com/kb/HT1692
For me I noticed that after I updated ITunes to latest version (using the full uninstall from the last point of the guide above, section "Reinstall Apple Mobile Device Support and iTunes"), I could sync with another Windows user account (on another computer actually)
Since I wanted my own account to sync again, I then used the advanced troubleshooting guide:
Advanced troubleshooting for Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010
http://support.apple.com/kb/TS2776
In my case the point 4 in this guide helped, but since I had no MobileMe, I just killed the OS process SyncServer.exe, then renamed the SyncServices folder to SyncServices.old and restarted the PC.
You should try all the steps in both guides in the order mentioned, to see which one can help, I don't advise you to start directly with a step in a guide
Good luck
Iphone 4, iOS 4.3.3, Outlook 2007, Win 7 64Bit

Itunes could not sync contacts to the iphone because the sync server failed to sync the iphone

Hello everyone,
Today, when I connected my iPhone 4 to itunes, on my PC.. it send me the following message:
"itunes could not sync contacts to the iphone because the sync server failed to sync the iphone"---
and then, it stop the process..
PLEASE help me with this!!, I do not have too much time, I have read a couple of discussion, and nothing is working.
I'd really appreciate your help,
Regards,
Roberto

Hello rsantanavizcaino
Start with the article below to troubleshoot issues with Sync Services on your computer.
Troubleshooting Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010
http://support.apple.com/kb/ts2776
Regards,
-Norm G.

When i connect my iphone to the computer it gives me this message "ITunes could not sync contacts to the Iphone "my name" because the sync server failed to sync the iphone. whats the problem

when i connect my iPhone to the computer it gives me this message "ITunes could not sync contacts to the iPhone "my name" because the sync server failed to sync the iPhone. what is the problem?

What type of computer?
Mac: Sync Services: Advanced troubleshooting for contact and calendar syncing
Windows: Troubleshooting Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010
The following previous discussion may also help: Re: sync server failed to sync the iphone

While doing a sync, I received a phone call. Since then I get a message during sync " Itunes could not sync contacts to the iphone because the sync server failed to sync the iphone. What to do?

While doing a sync, I received a phone call. Since then I get a message during sync "Itunes could not sync contacts to the iphone because the sync server faile to sync the iphone". What to do?

I had same problem,,This link solved issue easily
http://www.question-defense.com/2010/09/01/itunes-could-not-sync-calendars-to-th e-iphone-because-the-sync-server-failed
I didn't lose any calendar since it was all on the computer in Outlook calendar

When syncing i phone with i tunes i get...."iTunes could not sync contacts to the iPhone because an error occurred while merging data"....HELP

when syncing i phone with i tunes i get...."iTunes could not sync contacts to the iPhone because an error occurred while merging data"....HELP

hello
see here the procedure that worked for me:
https://discussions.apple.com/message/16880485#16880485
good luck

ITunes could not sync contacts to the iPhone because the sync server...

has anyone else gotten this message? and if so, what's the fix. i've talked to a "level 2" tech at apple and he had no clue.
"iTunes could not sync contacts to the iPhone because the sync server failed to sync the iphone"
this happens if i have contacts checked to sync. it synced fine on 6/30 but have been getting this problem today 7/1.

I'm having this same problem and I've tried all the other fixes in this forum, except yours. Could you please be more specific? My question is below:
1.) erased the iPhone via iPhone settings. --> where is "iPhone settings"?
2.) deleted my pda from iSync
3.) plugged in the iPhone and restored it via iTunes
4.) resynced and everything is back to normal.

Itunes could not sync contacts to the iphone because the sync server failed

itunes could not sync contacts to the iphone because the sync server failed

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Itunes could not sync contacts to the iphone because the contacts are in use by the iphone

itunes could not sync contacts to the iphone because the contacts are in use by the i phone.... hi i always get this messega when i plug my phone in to the iphone is there anyone have any idea how to fix my phone thank u

Am I'm the only one with this issue?
As I investigate the crash logs it appears that the contacts db is corrupted and that is what is killing the phone, contacts, and mail etc settings.
I have my contacts backed up several places so I'm not worried about losing them.
Anyone know how to wipe or recreate the contacts db on the phone via an attached PC?
JT

Sync Error Message: "iTunes could not sync contacts to the iPhone...."

This just started today:
"iTunes could not sync contacts to the iPhone "My Phone" because an error occured while merging data"
Info:
I'm running iTunes 9 and 4.0.1 on my iPhone which is a 3GS. They sync with Google Contacts. I did just install a group contact app called ABCLite (fyi, have no idea if this is related).
I use my contacts a LOT on both the phone and the computer so I really need them to sync! Help!!!
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Hi,
same here - or similar: Installed latest iOS4 and only group in my contacts comes up.
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How to fix "iTunes could not sync contacts to the iPhone "my name's iPhone

How to fix the "iTunes could not sync contacts to the iPhone "my name's iPhone" because the sync server failed to sync the iPhone.
Thank you.
Hugh

Hello rsantanavizcaino
Start with the article below to troubleshoot issues with Sync Services on your computer.
Troubleshooting Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010
http://support.apple.com/kb/ts2776
Regards,
-Norm G.

ITunes could not sync contacts to the iPhone...the iPhone canceled the sync

My phone refuses to sync ANY contacts. When iTunesis performing the Sync process, it ends stating that "iTunes could not sync contacts to the iPhone "MyPhone" because the iPhone canceled the sync."
This happened originally when I was running OS 3.0. As a fix, I upgraded iTunes and then my iPhone to the latest versions - v9.0.1.8 and v3.1.2 respectively.
I just finished doing a "reset all content and settings" and still no dice. Unfortunately, this won't allow me to sync until after I restore a backup, so I'm sure I'm bringing corrupt data back into the phone.
I tried changing my contacts to sync to my Windows Address Book, instead of the GMail that I use. No luck.
HOW can I simply ERASE the contact database on my iPhone so I can get it to sync again?

...and an update.
I tried manually adding some contacts to the phone and they just don't save. The contact list stays empty.

Itunes could not sync contacts to the iphone

I have just moved my iPhone 3G to a new notebook Windows 7 Outlook 2010. Can't synch my contacts through iTunes from Outlook (8149 of them), receive error = itunes could not sync contacts to the iphone because an error occurred remapping record identifiers. Everything else syncs fine. All used to sync under XP Pro Outlook 2003. I see many posts and have tried almost all of the solutions offered. Apple please help us get back to being productive, not troubleshooting our devices. Any advice from others is MUCH appreciated. Thanks in advance.

Restored iPhone; reset sync, cleared the sync option for contacts, confirmed removal of all records on iPhone, disconnected and closed iTunes - tried this many times; restored all library files from old computer, cleared ALL records, reset sync, disconnected and closed iTunes, then synced again; tried process again after de-selecting option for calendars, email, notes, etc. as well as contacts; placed a single contact record on the iPhone, then tried syncing, next de-selected the option to sync contacts, accepted the removal of that (all) contacrt records from the iPhone, again set up iTunes to replace all contacts on iPhone. Everything syncs fine execpt for my contacts. I have been trying everything I can think of... about 16 hrs into it so far.

ITunes could not sync contacts because the synch server failed to synch....

I have a laptop running Windows 7 (professional edition) 64 bit using Outlook 2010 and I get this same daggone message every time I try to synch contacts, calender, or notes (all Outlook 2010)...."iTunes could not synch contacts to the iPhone because the synch server failed to sync the iPhone."
I called Apple's tech "support" and they said unapologetically that iTunes doesn't work with Outlook 2010. ***!?! And further that the solution was to use Outlook 2003 or 2007. And gave NO indication that any solution was in the works.
QUESTION: Does anyone have a SANE solution that doesn't require a degree in Star Trek to implement to this exact problem? I know the problem is widespread so please only respond if you are having the exact same problem. Otherwise the variable make the feedback meaningless. Thanks in advance!!!

I have a laptop running Windows 7 (professional edition) 64 bit using Outlook 2010 and I get this same daggone message every time I try to synch contacts, calender, or notes (all Outlook 2010)...."iTunes could not synch contacts to the iPhone because the synch server failed to sync the iPhone."
I called Apple's tech "support" and they said unapologetically that iTunes doesn't work with Outlook 2010. ***!?! And further that the solution was to use Outlook 2003 or 2007. And gave NO indication that any solution was in the works.
QUESTION: Does anyone have a SANE solution that doesn't require a degree in Star Trek to implement to this exact problem? I know the problem is widespread so please only respond if you are having the exact same problem. Otherwise the variable make the feedback meaningless. Thanks in advance!!!

ITunes could not sync contacts because the iPod is disconnected

The iPod/Touch IS connected and syncronising music, photos and starting with the contacts sync. After 20 seconds or so the process stops and the alert message says:
"iTunes could not sync contacts on the iPod because the iPod is disconnected".
Have restarted the Mac, reconnected the iPod/Touch with the same result. I have also deleted iPhoto cache which was suggested in one of the forums discussions.
NOTE: I have made the same Sync with my regular iPod 160 and it works fine,
Any suggestions?
Thanks
Yve

I found in a different post the suggestion to do a factory reset on the iPod from within iTunes (on the Summary tab).
Worked for me, but it took a while to reset and then reload all of the info...

ITunes could not sync contacts to the iPhone because the iPhone disconnecte

Has anyone else experienced this? I deleted some groups from address book an now I get this message anytime I try to sync. It's really starting to get to me because the iPhone has in fact, NOT disconnected. At least physically, iTunes thinks it has and so does the phone (the sync in progress message goes away and you just see the battery charging image). The phone still shows in iTunes Devices area. I'm using the newest version of iTunes and iPhone firmware 1.1.3.
Any ideas?
Thanks,
Joe

jsrun wrote:
On the phone with very friendly and helpful Apple reps and managed to troubleshoot/isolate the problem to a corruption in one of the address book entries (But anyone's guess as to which one...)
To fix:
1) Export All Address Book entries to a group vCard.
2) Export each "Group" to a group vCard.
3) Delete ALL entries.
4) Reimport "All" vCard.
5) Reimport "Groups" vCards one by one. As you import each group vCard, recreate the group and drag all entries from "Last Import" into newly created "Group"
6) Your sync issues should be fixed.
Hope this helps someone else.
If this makes you nervous, the following temporary fixes both worked until another address book entry was changed:
1) Reset sync data from within iSync.
2) Select Replace information on this iPhone from within iTunes. (But you lose any changes made on the iPhone...)
This method lost a lot of the custom fields in my address book including the "Notes" section- luckly I did an address book database backup. No good.
Then I just restored my iPhone and the problem went away. Maybe the database backup export, then deleting everything, then reimporting fixed it. Dunno.

ITunes could not sync contacts ... because the iPhone disconnected

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