Itunes-error "Itunes was unable to load data class information from sync services"

Something is going wrong when ever i want to plug in my ipod-using itunes. It loads for like 5 minutes then a error message pops up saying "Itunes was unable to load data class from sync services. reconnect or try again later."
Though it works when i restart the computer but i dont want to have to restart the computer everytime i want to sync my ipod to itunes.
I have uninstalled itunes too and downloaded it again and still keeps doing this.

OK. Try this article:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/TS2690

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I am receiving an error message when starting up iTunes: iTunes was unable to load data class information from sync services. Reconnect or try again later. (what does this mean?)

I recently updated my iTunes to the most recent version and I am receiving an error message when starting up iTunes: iTunes was unable to load data class information from sync services. Reconnect or try again later. (Does anyone know what this means and if it is going to cause me issues?)

http://support.apple.com/kb/TS2690?viewlocale=en_US&locale=en_US

Error message: "iTunes was unable to load data class information from Sync Services. Reconnect or try again later."

I'm getting this error message: "iTunes was unable to load data class information from Sync Services. Reconnect or try again later."
Later has come.
What does it mean?
How can I sync my iPad?
Thanks

Hi vbsugihara,
Thanks for visiting Apple Support Communities.
You can find troubleshooting steps to resolve the error message you're seeing in this article:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/TS2690
All the best,
Jeremy

I recently began getting an error message: "iTunes was unable to load data class information from Sync Services. Reconnect or try again later." How can I correct this?

I'm getting the following message when I try to sync my iPhone in iTunes: "iTunes was unable to load data class information from Sync Services. Reconnect or try again later." This message began appearing a few days ago. Before that, the sync function worked just fine. Can anyone help? Thank you!

Hi vbsugihara,
Thanks for visiting Apple Support Communities.
You can find troubleshooting steps to resolve the error message you're seeing in this article:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/TS2690
All the best,
Jeremy

I can no longer sync. I get the "iTunes was unable to load data class information from Sync Services. Reconnect or try again later." Trying again gets same error.

I can no longer sync. I get the "iTunes was unable to load data class information from Sync Services. Reconnect or try again later." Trying again gets same error. Thoughts?

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

TS2529 iTunes was unable to load data class information from Sync Services. Reconnect or try again later is the error message I am getting when i connect my iphone 4 to my windows based computer. Any help out there?

iTunes was unable to load data class information from Sync Services. Reconnect or try again later. This is the message when I try to connect my iphone 4 to my computer. If anyone could help me with this, I would appreciate it.

iOS: Device not recognized in iTunes for Windows
http://support.apple.com/kb/TS1538
iOS: Device not recognized in iTunes for Mac OS X
http://support.apple.com/kb/ts1591

Error message iTunes was unable to load data class information from Sync Services

I purchased some songs to download to my ipod and keep getting the following message: iTunes was unable to load data class information from Sync Services.
The songs have transferred okay to my ipad and iphone with no issue.
ipod has sw update 6.1.6.
Have tried the various suggestions regarding this issue on the site, but without success.
Are there any other suggestions?
I am using Windows 7.
I see from a google search that this is a common problem so why hasn't it been rectified in bug fixes?

Hello Human1234,
Thanks for using Apple Support Communities.
To troubleshoot Sync Services with Outlook and iTunes, please follow the troubleshooting in the article below.
Troubleshooting Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010
http://support.apple.com/kb/TS2776
Take care,
Alex H.

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

Ever since I upgraded to iTunes 10.4 I've been getting this dreaded message on many occasions when I try to sync my iPhone 4 or iPad 2 with my Win 7 64 bit machine. "iTunes was unable to load data class information from Sync Services. Reconnect or try again later." What happens is that local content (music, videos etc) will sync properly to my iPhone, but other content (such as Outlook information, MobileMe stuff, etc) will not.
I have uninstalled and completely purged all Apple data from my PC (including hidden files and folders under Common Files and in the Registry) and reinstalled iTunes. Yet after one or two syncs, the same problem resurfaces. The other weird part is that the Sync Services crap-out message will happen after I do a successful sync, leave the iPhone connected to the PC, and don't even touch the computer for several hours.
I've actually developed a very tedious work around that seems to restore syncing if for a short time.
- Undock/unconnect all Apple devices from the PC.
- Close iTunes, MobileMe control panel, and Safari (if you have it).
- Start Task Manager (Ctrl + Alt + Del) and shut down iTunesHelper.exe and SyncServer.exe
- Open up a Windows Explorer window (like My Computer) and under Tools, Folder Options, View, toggle on Show Hidden Files and toggle off Hide Protected Operating System FIles
- In WIndows Explorer, navigate to "C:\Users\<your name>\App Data\Roaming\Apple Computer". Rename the folder Sync Services to something else, like Sync Services_Old.
- In WIndows Explorere, navigate to "C:\Program Files (x86)\Common Files\Apple\Mobile Device Support" and double-click on AppleSyncNotifier.exe.
- Go back to your Folder Options and turn off SHow Hidden Files and toggle on Hide Protected Operationg System Files
Now you can start up iTunes again and connect your device. It should sync properly again (at least, until it doesn't once more).
Does anyone at Apple have any idea about this error or a solution?

I actually spent a fair amount of time on the phone with a senior Apple tech last week. He directed me to this topic:
http://support.apple.com/kb/HT1923?viewlocale=en_US
It's important that you go through the steps EXACTLY as described here and in the proper order. Also make sure MobileMe control panel is uninstalled (if you have it).
Interestingly, when I went through this procedure and then reinstalled iTunes 10.4 64-bit (didn't do MobileMe or Safari at this stage, but QT is automatically installed) everything worked perfectly. The aforementioned error messages disappeared and all is working flawlessly, as it should.
I hope my expereince will help! Give it a try.

ITunes was unable to load data class information from sync services.

I get the error message "iTunes was unable to load data class information from sync services. Reconnect or try again later" after reinstalling iTunes. I cancel the message and iTunes proceeds to sync with my iPhone 4. The phone and iTunes software are the latest releases. My PC is running Windows 8.1, which had to be reinstalled after the system crashed, requiring a total reinstall of all software.

Doublechecking. You've tried 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 data class information from sync services on windows pc

I have been able to use iTunes on my windows 7 pc for several years with no problem to sync calendar and contact with Outlook 2013; Suddenly I'm getting this error message. iTunes recognises an iphone but I can't sync it. I've tried uninstalling iTunes, Apple Software Update, Apple Mobile Device Support, Bonjour and Apple Application Support, rebooted the PC and reinstalled iTunes. Nothing works. Can anyone help please?

Error message missed off previous post - "iTunes was unable to load data class information from sync services"

TS3297 "iTunes was unable to load data class information from Sync Services." What is this solution for the new phone to sync up with my iTunes acct?

"iTunes was unable to load data class information from Sync Services." What is this solution for this new phone to sync up with my iTunes acct?

Hi tadhunt,
Here is an article that directly addresses that error message:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/ts2690
I hope this helps!
- Ari

TS2690 iTunes was unable to load data class information from Sync Services reconect or try again later

My Ipad (iPad Air - iOS 7.1.2 and Ipad 2 - iOS 7.1.2) can't sync with itunes. It said: "iTunes was unable to load data class information from Sync Services reconect or try again later".
I already reset sync history but it didn't work.
They are not jailbraked.
iTunes's version is 11.3.1.2
Pls show me how to fix this error.
Thanks.

John L316 wrote:
Does anyone know what is causing this
see if this support article helps:
iTunes 10.2: "iTunes was unable to load data class information from Sync Services" alert after installing Xcode 4.

ITunes was unable to load data class information from Sync Services Issue

Hi,
Whenever I connect my iPhone 5 to my laptop (running Windows 7) I get 'iTunes was unable to load data class information from Sync Services. Reconnect or try again later'.
Now I've had a look at all of the various Apple troubleshooting advice (and many threads on the discussion boards) for this and none of it works. I've also spent the best part of three hours tonight trying to remove iTunes completely off of my laptop using various programmes to try and remove all the little bits it leaves behind, but again to no avail.
I've been having this issue for quite a while now and it first started occuring with my iPhone 4, so when the same issue occured with my 5, I figured it was an iTunes issue or something related instead of just a phone error.
I decided that I wanted to sort it now as the last two iPhone software updates have errored and I've had to restore my phone and the back-ups have failed on both occasions so it's becomming quite a tiresome process now.
Any other suggestions would be really useful as I'm starting to think I'm just going to have to start over with my laptop, which I'd rather not do as that would take forever!
Cheers

Sorry, I should have also said that I'm running the most recent iTunes software and that I can still actually sync my phone with iTunes.

HT1369 iTunes was unable to load data class information from Sync Services

I get the error, "iTunes was unable to load data class information from Sync Services" whenever I try to sync my iPhone 4. I was trying to get it backed up to move the data to my new iPhone 5.

In the course of your troubleshooting to date, have you 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 data class information from sync services.Reconnect and try again later.

when I open itunes I get message " itunes was unable to load data class information from sync services. reconnect or try again later "
I am unable to sync my ipad 2 or iphone 4 through itunes. I have tried all suggested options, removing itunes and related components from control panel + verified completely uninstalled from C program files + then reinstalling latest version of itunes (version 11.3.1.2). Also tried running itunes as administrator. Also tried reset sync history in itunes Also tried system restore on windows 7 from earlier period.Still get the same above message.
I run 64bit windows 7. Have recently renewed my Norton Intenet Security. Everything was OK up till then. Could this have anything to do with it.

A quick cursory browse seems to point that the problem is on Apples end since the last update of iTunes, theres loads of forum posts about it but Apple themselves arent responding as yet other then the usual "unplug, delete sync data, reconnect or completely uninstall iTunes" spiel which doesnt work so hopefully they will fix it sooner or later

I get this message when i try to sync and download my iphone: itunes was unable to load data class information from sync services, reconnect or try again later. what does that mean and who do you fix it

I get this message when i try to sync and download my iphone, ITUNES was unable to load data class information from sync services, reconnect or try again later. this has happened twice. i have not downloaded by phone in several months. the first time i got this message i did not understand i and left my phone plug in for 12 hrs and it never did anything. today. when i got the message i just unplugged it.
help

http://support.apple.com/kb/TS2690?viewlocale=en_US&locale=en_US

Itunes-error "Itunes was unable to load data class information from sync services"

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