Tried to sync iPod Touch, noted "new" iTunes. iPod won't sync ("iTunes is unable to load data class information from Sync Services"). Tried the fix, but iTunes hangs when I try to open Preferences.

Just tried to download new audiobooks to my iPod Touch 3, and noted new iTunes. iPod won't sync ("iTunes is unable to load data class information from Sync Services"). Tried to Reset Sync History per Support Article, but it didn't work. My purchased audiobooks are also gone from my iTunes Library. Any fix, or is my best bet to uninstall new iTunes and reload earlier version??

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

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I have an ipod touch 5th gen and when connected to itunes i get a message saying itunes was unable to load data class information from sync services. reconnect or try again later. anyone got any ideas? i've tried most things on most forums but still no jo

i have an ipod touch 5th gen and when connected to itunes i get a message saying itunes was unable to load data class information from sync services. reconnect or try again later. anyone got any ideas? i've tried most things on most forums but still no joy

Try here:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
If not successful see the previous discussion on the right side of this page with the green checkmark.

HT1386 When I try to sync my ipod it comes up with a message saying "iTunes was unable to load data class information from Sync Services. Reconnect or try again later". I have reconnected and tried later numerous times! Has anyone else had this problem?

When I try to sync my iPod touch it comes up with a message saying "iTunes was unable to load data class information from Sync Services. Reconnect or try again later". I have reconnected and tried again later numerous times and it hasn't worked! Has anybody else had this problem and knows how to fix it??? Help me!

Try here:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
If not successful see the previous discussion on the right side of this page with the green checkmark.

I am having problems syncing my ipod touch. I keep getting this message. iTunes was unable to load data class information from sync services. Reconnect or try again later

When I try to sync my ipod touch 5. I get the following message. iTunes was unable to load data class information from sync services. Reconnect or try again later.
I get the same message when I try to sync my iPhone 4s
Should I uninstall/reinstall itunes and if so should it be all the programmes associated with Apple or just iTunes

See this thread for more people having the same issue.
http://discussions.apple.com/thread/6500271

HT4623 TRying to update iphone 4@ to ios 7. Get message in itunes "unable to load data class information from Sync services. Reconnect or try again later." That has not worked.

Corporate issued iphone 4S. Trying to update to ios 7. I tunes not recongnising the phone, and I get this message:
"itunes unable to load data class information from Sync Services. Reconnect ot try again later."
I have disconnected from itunes several times. The phone is dead, as if it was brand new.
I get "slide to setup" and then connect to wifi, which works, but nothing after that, just above message.

Hello there, scott_arrow.
The following Knowledge Base article offers up some great information for your particular message:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/TS2690
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

HT1369 hey, when I connect either my ipod or ipad to itunes I get the promt ' i tunes was unable to load data class information from sync services. Reconnect or try again later'. Can anyone help me with syncing my devices?? Thanks in advance

Hey, when I connect either my ipod or ipad to itunes I get the prompt 'itunes was unable to load data class information from sync services. Reconnect or try again later. Can anyone help me with syncing my devices?? Thanks in advance

I am having the same issue, anyone else ?

I'm trying to sync my i phone. I haven't synced it in a few months, but the notice that comes up is itunes was unable to load data class information from sync services..what does it mean?

I'm trying to sync my i phone. I haven't synced it in a few months, but the notice that comes up is itunes was unable to load data class information from sync services..what does it mean?

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

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

HT1386 I am trying to sync my ipad to my pc and this message keeps coming up "itunes was unable to load data class information from sync services. Reconnect or try again later."

I am trying to sync my ipad to my pc and this message keeps coming up, "itunes was unable to load data class information from sync services. Reconnect or try again later." I have done both. Please help. Thank you.

Look here for help
iTunes for Windows: "Unable to load data class .....

TS2776 my ipod can't sync with itunes.Keeps saying that itunes was unable to load data class information from sync services

my ipod can't sync with itunes.Keeps saying that itunes was unable to load data class information from sync services

See TS2690: iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert.
tt2

Cant put pdfs or music on.the message i get when itunes comes up is "iTunes was unable to load data class information from sync services.reconnect or try again later." and its just my itouch i tried another one and was able to put songs and pdfs on it...

I cant put pdfs or music on my itouch,it wont sync.the message i get when itunes comes up is "iTunes was unable to load data class information from sync services.reconnect or try again later." and its just my itouch i tried another one and was able to put songs and pdfs on it...please help!

Try here:
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
If not successful see the previous discussion on the right side of this page with the green checkmark.

I have tried to sync my iPad to iTunes but got an error message saying that i\tunes was unable to load data class information from Sync Services. Any advice would be gratefully received.

I have tried to sync my iPad to my iTunes following an update to the latest IOS system. I keep getting an error message: "Unable to load data class information from Sync Services"
Any help would be much appreciated.
Mike

Hey Mike Urwin
Start with the article below for troubleshooting syncing issues with Sync Services.
Advanced troubleshooting for Sync Services on Windows with Microsoft Outlook 2003, Outlook 2007, or Outlook 2010
http://support.apple.com/kb/TS2776
Regards,
-Norm G.

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"

ITunes was unable to load data class information from Sync Services. Reconnect or try again later AND Your iPhone has never been backed up to this computer AND always Not Responding

First: I get the message telling me that "iTunes was unable to load data class information from Sync Services. Reconnect or try again later."
Second: In the Summary Tab under Backups, iTunes is telling me that my iPhone has never been backed up to my computer - which is not true. It's also telling me that my iPhone has never been backed up to iCloud. Again, not true. Although my backups are all missing from iTunes, I can see what I think is them in their folder: C:\Users\*your user name here*\AppData\Roaming\Apple Computer\MobileSync.
Third: iTunes is SLOOOOOOOOW. It takes nearly ten minutes - sometimes more - to launch, and when it does, it's constantly not responding. It seems every time I touch something it stops responding.
Fourth: I've been searching this "help" forum for a solution, and I've seen many other references, yet the only suggestion I've seen from someone from Apple is a reference to a solution that is over 2 years old - and DOESN'T WORK for anyone I can see who's tried it!
I've tried everything I could think of, and that others have suggested, including:
Uninstalling and re-installing iTunes
Ensuring I have the latest version of iTunes
Re-setting sync history
Renaming my Backup folder at the path above, and letting iTunes create a new one
Running around the house whilst pulling my hair and yelling obscenities
None helped. At all.
Hmmm... Been a devoted Apple/iOS guy for years, but maybe it's time to switch to Android?

I've resolved the issue with iTunes constantly not responding. It's a bit embarrassing. I had a DVD in the drive that was corrupt, and once I was able to remove it - BAM - iTunes ran perfectly.
I'm still getting the Sync Services message, and my backups are still not showing in iTunes.
Getting there.... I hope!

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.

Tried to sync iPod Touch, noted "new" iTunes. iPod won't sync ("iTunes is unable to load data class information from Sync Services"). Tried the fix, but iTunes hangs when I try to open Preferences.

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