Receiveing "Unable to load data from Sync Services" message following iOS 5 Upgrade on iPhone 4 w/ Windows Vista, iTunes 10.5.1. How do I repair?

I upgraded my phone to iOS 5 yesterday. Lost several apps which I restored through my Purchased list in the iStore. Now when I try to sync the phone using iTunes, I receive an error message advising iTunes is unable to load data from Sync Services, and to disconnect and try again later. Have tried again later...no difference. After I acknowledge the error, iTunes continues to say it is Syncing the phone, but it continues to idle.
I have an iPhone 4. I am running iTunes 10.5.1.42 on a Windows Vista system.
What do I need to do to clear this up?

http://support.apple.com/kb/TS2690

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Just updated to IOS 7 and two issues: First when I connect my iPhone to my computer I get this error message:itunes was unable to provider data from sync services".

Just updated to IOS 7 and two issues:
First when I connect my iPhone to my computer I get this error message:itunes was unable to provider data from sync services". I'm not sure what this really means...
The second issue is when I try to select "Manually Manage Music"
The iPhone "My iPhone" is synced with another iTunes libary on "MY-PC". Do you want to erase this iPhone and sync with this iTunes library? An iPhone can be synced with only one iTunes library at a time. Erasing and syncing replaces the contents of this iPhone with the contents of this iTunes library."
So... I don't want to do that, but I do what to be able to Manage my music. I'm not sure what it means by being synced to another iTunes unless it means to an older version of itunes?
Anyone have any ideas?

I cannot address the sync services error right now, but the error that you receive when you change from sync to manually manage music is what happens when you change. Once you change to manually manage music, it erases all of the music and will only put the music that you want on the phone, content that you manually drag over to it. See if this support document helps you out. http://support.apple.com/kb/HT1535

Itunes was unable to load provider from sync services...

itunes was unable to load provider from sync services... and on top of that when i click on any apps i download it looks like its going to open for a split sec and then go back to where u click the apps in the menu. from what i read they are two different bugs but i havnt came across any fixes that work

Doublechecking ... you've also worked through the following document?
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

What do i do when Itunes says "Itunes could not load data from sync services reconnect or try again later

Hi, just recently when I attemted synced my ipod touch 5th generation, i got a message saying
"Itunes could not load data from sync services reconnect or try again later
I am running the latest version on itunes (not quiet sure which specific one)
I am running ios 6.1 my ipod is not jail broken
don't know what to do
I then cleard the message and my ipod showed up and began to sync
however it is staying at the backing up stage for 12 hours
Not sure what to do help!

Try:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
"load data class"

TS1538 iTunes was unable to load provider from Sync Services

Hi all,
Everytime I plug my iPhone into the USB, iTunes pops a message up saying:
iTunes was unable to load provider from Sync Services.
Reconnect or try again later.
Uninstalled iTunes and installed latest version, still happens. Renamed the ..\AppData\Roaming\Apple Computer\MobileSync folder so it has to be re-created and still doesn't work.
Any ideas?

Doublechecking ... you've also worked through the following document?
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

"iTunes was unable to load dataclass from Sync Services"

Hi, I have iPod Touch 2nd gen 32 gb, everytime I plug my iPod to computer and after it finished auto-sync my iPod, an error message appear saying "iTunes was unable to load dataclass from Sync Services", I haven't do anything to my iPod yet. . . Can anyone help me with this?? T_T

I've had a similar problem but on a Mac. Here's what I just reported to Apple:
1. I plug in my iPod Touch 2G to MacBook Pro running OS 10.6.1.
2. iTunes launches.
3. Error message appears: "itunes was unable to load dataclass information from SYnc Services. Reconnect or try again later." I hit ok.
4. Another error message launches: "AppleMobileDeviceHelper quit unexpectedly." I hit ignore.
5. iPod syncs.
So the support article regarding the error message on Windows doesn't help me. The iPod seems to be synchronizing all right, but it's annoying getting the error messages. Any ideas, anyone?

ERROR MESSAGE "UNABLE TO PROVIDE DATA FROM SYNC SERVICES" ???

i HAVE RECEIVED THIS ERROR MESSAGE. wHAT DO I DO?

I'd try the following troubleshooting document:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

TS2690 How Do I Get Itunes To Stop Saying Unable To Load Data Class Sync Services ?

Someone Help

Try this previous discussion.
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

"Backup session failed" and "Unable to load dataclass from sync services"

I don't know what is causing these two errors to show up whenever I plug my iPod Touch in, but now I can't backup my iPod, but strangely it still syncs fine. Under the diagnostics tool, all tests are passed except for the last one in terms of Ports in the iPhone/iPod Connectivity Tests. It says No iPhone or iPod found.

I've had a similar problem but on a Mac. Here's what I just reported to Apple:
1. I plug in my iPod Touch 2G to MacBook Pro running OS 10.6.1.
2. iTunes launches.
3. Error message appears: "itunes was unable to load dataclass information from SYnc Services. Reconnect or try again later." I hit ok.
4. Another error message launches: "AppleMobileDeviceHelper quit unexpectedly." I hit ignore.
5. iPod syncs.
So the support article regarding the error message on Windows doesn't help me. The iPod seems to be synchronizing all right, but it's annoying getting the error messages. Any ideas, anyone?

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I get the above message on connecting my 3g to my laptop.
Also i am unable to sync my mobileme through pc, mobileme controll planel closes upon pressing "sync" button
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I get this same message when restoring from the v 2.0 firmware update. The impact for me is that my phone is wiped clean an none of my historical data has been restored to the phone - call history, voicemail, contacts, messages, email settings, photos, music, podcasts, videos. I have followed the suggested protocals and continue to get the same error - "reconnect or try again later" and iphone "restore process".

ITunes was unable to load provider data from Sync Services

Hello,
My itunes says : "iTunes was unable to load provider data from Sync Services", when i connect my iphones.
My iphones sync fine on my other computer.
This problem occurred when formatting my pc from work.
And this problem prevents me only sync tab "info" (contacts, calendar and Outlook). This does not prevent me to synchronize other tabs.
I already tried to reinstall itunes, and the diagnostic option.
Thanks in advance.

This problem has been ongoing since 9.2 came out ... i.e. quite some time.
I uninstalled and then removed all traces off Apple applications, then reinstalled back to the prior version and ran with no problems.
When I upgraded to V4 iPhone software I had to upgrade again and ran into the same problem.
Upgrading from Outlook 2000 to Outlook 2003 was of no benefit.
I have purchased Sync2, set up a gmail account and sync over wireless from Outlook to gamil, then from gamil to iPhone.
This only does calendar and contacts (haven't found a solution for notes) but waiting for Apple to sort this will probably see you old and gray.
Good luck.

ITunes 10.5.3, Unable to Load Class Data from Sync Services, Crashes Repeatedly

Ever since iTunes 10.5.3 on my Windows 7 x64 box, I've been having serious problems keeping iTunes running:
1) Any time I connect my iPhone or iPad, or any time they attempt to sync over WiFi, I get the 'Unable to load class data from sync services' error. It's worth mention that the iPhone or iPad do actually then proceed to sync correctly, and all media / data is synchronized successfully, as far as I've been able to tell. I've reset sync history, restored the iPhone and iPad, manually moved the SyncServices directory, set both the iPhone and iPad up as new, completely uninstalled iTunes and the mobile device software, re-installed, and *nothing* I do fixes this issue or even seems to impact it. Uninstalling iTunes 10.5.3 and reinstalling iTunes 10.5.2 resolves this error.
2) iTunes 10.5.3 has serious crashing problems on my machine, though I've searched through forums and found a lot of other people with the problem. In my case, sporadically as iTunes access the iTunes store (for example, I can always make it happen by subscribing to the Diggnation podcast and telling it to refresh the podcast), I get a full application crash which generates the following event in the event log:
Faulting application name: iTunes.exe, version: 10.5.3.3, time stamp: 0x4f14cc3d
Faulting module name: KERNELBASE.dll, version: 6.1.7601.17651, time stamp: 0x4e211319
Exception code: 0x80000003
Fault offset: 0x0001280c
Faulting process id: 0x564
Faulting application start time: 0x01cce78789dc009a
Faulting application path: D:\Program Files (x86)\iTunes\iTunes.exe
Faulting module path: C:\Windows\syswow64\KERNELBASE.dll
Report Id: ecc77400-537a-11e1-b809-00248c196007
Again, uninstalling iTunes 10.5.3 and re-installing iTunes 10.5.2 fixes this issue as well, but I really shouldn't have to do that. Is there any actual solution to these problems other than dowgrading to an older version?
Yes, I'm running current malware protection (and my system is clean) and yes, I've already checked any other obvious culprits to make sure I don't just have a corrupt library or file somewhere that's causing it. My Windows 7 install is completely up to date from a Windows Update perspective and also from a driver perspective (even including the motherboard and chipset drivers). I made sure to do a system file integrity check (sfc /scannow) and it confirmed my install of Windows isn't suspect, but beyond all that I was able to reproduce these failures on a completely separate machine running Windows 7 x64, without any of my media library or data on it -- iTunes 10.5.3 just seems to be bad news on Windows 7 x64 for me, even though I know there are definitely people are using it successfully. I don't get any other application crashes for any other applications, and I've never had an issue like this with any previous version of iTunes...
Last but not least, in case it matters, I'm running iOS 5.0.1 on both the iPhone4 and the iPad2. The iPhone4 is the GSM AT&T model and the iPad2 is the CDMA Verizon model.

OK, I've given up. Uninstalled iTunes 10.5.3 permanently. It's a shame, 10.5.2 works perfectly but 10.5.3 is a complete and total cluster for me.
Anyone with the same problems who hasn't done this already, just uninstall iTunes and the Apple Mobile Device Service in your Add/Remove Programs, then re-install iTunes 10.5.2. You won't lose your library or any settings or apps, it will just go back to working again.
I wish Apple would acknowledge this so that I'd at least know it would be fixed in the future.

Hello. I am owner of an iPod Touch 5gen. I have an error "iTunes was unable to load provider data from sync services". I tried: All Apple's tutorials including reseting sync data, reinstalling and deleting all of iTunes components including deleting it fr

Hello. I am owner of an iPod Touch 5gen. I have an error "iTunes was unable to load provider data from sync services". I tried: All Apple's tutorials including reseting sync data, reinstalling and deleting all of iTunes components including deleting it from system registry. My system is Windows 7 64bit.

UPDATE: The true error is : '
"itunes was unable to load data class information from sync services"
Any of the topics didnt work.
Sync on my wife's laptop works.

Itunes was unable to load provider data from sync services. Reconnect or try later

Hi everyone
This issue has got me stumped.
I have a Dell Vostro desktop computer with Windows 7 SP1 64 bit edition.
I used to be able to sync now I cannot bakup or sync.
The device is an iphone 4s with the latest software IOS 5.1.
Itunes is version 10.6.0.40, the latest.
To try to fix this problem I removed itunes/quick time completely. Removed Bonjour, Apple Application Support, Apple Mobile Device Support, Apple Software Update,
Deleted the itunes and quick time folders, the common file folders and files, deleted anything related to able under appdata local and roaming, removed apple folder under program data, scanned through registry and removed all apple entries.
Then I rebooted the computer, re-installed itunes/quicktime and have the same error appear again.
I have gone through this process at least 5 times , but still keep getting the same error, cannot go past it.
I found a solution on this forum but it only applies to MACOS, could not find anything suitable for windows 7 environment.
Also searche the web high and low and tried several different advice from people.
This has to be a bug with Itunes! I would like to hear from Apple developers and programmers why I have to suffer so much to sync my device.
As a last resort I am planning to rebuild windows 7 from scratch but is is a big job.
Tried also to disable firewall, antivirus, check the apple windows services are running, nothing works to get me past this error.
Please help someone!
Thanks and regards
Alfred

Did you have a look ath this (rather) long thread about it?
https://discussions.apple.com/message/17214161#17214161 , for example:
danielfromkongsvinger
Re: Unable to load provider data from Sync Services
16.12.2011 20:21 (in response to wisniak)
"I then followed a tip found in PCWorld and performed the following:
1. Make sure iTunes isn't running.
2. Click Start, type regedit, then press Enter.
3. Navigate to this Registry location: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
4. Look in the main pane for a key that refers to iTunes. If you find one, delete it, then exit the Registry.
5. Start iTunes. The offending message should be gone!"
This actually worked for me! I have struggeled with this error for years, and now it's gone. Thanks!

ITunes was unable to load provider data from Sync Services. Reconnect or try again later

i just had this message for the fist time when trying to sync my iphone 4: "iTunes was unable to load provider data from Sync Services. Reconnect or try again later"
what i did is that:
- i unplugged my iphone 4
- clicked on "edit" in itunes, "Preferences", "devices", "reset synck history"
- Uninstalled itunes
- restarted the lap top
- reinstalled itunes
then i tired and the iphone synced fine. i tried it a few times and it was fine.
but i have 2 questions:
1- could this be cause by excessive syncing, since i do sync my phone almost twice a week.
2- is what i did good enough for a solution or do i need to rename folders and resort to the other solutions provided?

OK
Here's what I did:
1. Copy all of the contents in C:\Program Files\Common Files\Apple\Apple Application Support to C:\Program Files\Common Files\Apple\Mobile Device Support folder, overwriting anything it if asked.
2. Rright-click on the Computer icon on your desktop (or in the start menu) and select Properties. Click on Advanced System Settings. Then clik on Environment Variables. If you don't have a user variable called PATH, click New... and add it, or select it and click Edit...
Now, add to the beginning of the user PATH the following two directories:
c:\program files\commmon files\apple\Apple Application Support
c:\program files\commmon files\apple\Mobile Device Support
Be sure to put a semi-colon (;) between the two directories.
Click OK three times to save your settings.
Step #2 might require a reboot.
After these 2 steps sync works again (touch wood).
Seems that sometimes there's an additional possibility (which I didn't perform):
If you are still having problems after following these steps, it's possible another application uses one of the same DLLs as iTunes (but a different version) and Windows is finding it in the PATH before the Apple file paths added above. You can check this by opening a DOS command prompt window and executing the following commands:
where libxml2.dll
where sqlite3.dll
where libtidy.dll
Examine the pathnames listed by these commands. If any paths are listed before the ...\Common Files\Apple\... paths, you'll want to remove those paths from the PATH environment variable.

Receiveing "Unable to load data from Sync Services" message following iOS 5 Upgrade on iPhone 4 w/ Windows Vista, iTunes 10.5.1. How do I repair?

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