ITunes says iTunes was unable to load data sync services.

I am unable to sync my new iPhone 5 to iTunes. When I plug it in an error pops up and says iTunes was unable to load data sync services.

Hey tbestsr,
Welcome to the Apple Support Communities. I found an article based on the alert that you cannot load the data sync service. In this article it will give troubleshooting steps to help resolve it.
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert
http://support.apple.com/kb/ts2690
Regards,
-Norm G.

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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.

I tried to sync my phone and received this message: "iTunes was unable to load data class info from sync services. Reconnect or try again later." Now it doesn't sync calendars because it says I need to download Outlook, which I already have

I have synced my phone to my computer several times. This time i received this message: "iTunes was unable to load data class infor from sync services. Reconnect or try again later." It says if I want to sync calendar I must install Outlook to my computer?? Why does iTunes not recongnize that I already have Outlook installed on my computer?

This worked for me...i did a restore on my computer to take it to a date prior to the last update i did on itunes and now it works just fine. Everytime i do a backup it syncs my Outlook! When a request comes up saying there's a new version of itunes click here to download the latest one DON'T do it.
Here's how to do a restore on your computer:
Create a restore point
A restore point is a representation of a stored state of your computer's system files. You can use a restore point to restore your computer's system files to an earlier point in time. Restore points are automatically created by System Restore weekly and when System Restore detects the beginning of a change to your computer, such as when you install a program or a driver.
System image backups stored on hard disks can also be used for System Restore, just like the restore points created by system protection. Even though system image backups contain both your system files and personal data, your data files won't be affected by System Restore. For more information about system images, see What is a system image? You can create a restore point manually at any time by following the steps below.
Go to the Windows website to watch the video. (1:08)
Click to open System.
In the left pane, click System protection. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
Click the System Protection tab, and then click Create.
In the System Protection dialog box, type a description, and then click Create.
For more information about System Restore, see What is System Restore?
I HOPE THIS WORKS!
Annette9114

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.

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

I plug my ipod into the computer, and its says itunes was unable to load data case information from sync services?

I can't put any songs on my ipod without this error coming up: itunes was unable to load data case information from sync services. please reconnect or try again later. I've tried different cords, and restarting both the computer and the ipod. What should I do?

Try these suggestions: iTunes for Windows: "Unable to load data class information from sync services" alert

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

Slow iTunes and "iTunes was unable to load data class information from sync services"

My iTunes is always slow and becomes unrespondsive most of the time. Also when i plug in myiPod touch 4g it says "iTunes was unable to load data class information from sync services"

Refer to 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

I keep getting the following message every time i plug in my Iphone to Itunes on my windows vista computer Itunes was unable to load data class information from sync services. reconnect or try again later. any suggestions pls Mario

I keep getting the following message every time i plug in my Iphone3gs to Itunes on my windows vista computer
Itunes was unable to load data class information from sync services. reconnect or try again later.
any suggestions pls
Mario

The article says that I should upgrade to the latest iTunes. I am on the latest iTunes version.
If you could read just a tiny little bit further, under the "Additional Information" section immediately after that, it says:
If you are still experiencing this issue when syncing, or have not installed Xcode 4 and get this alert:
Follow the troubleshooting steps in Mac OS X v10.5, v10.6: Resetting the SyncServices folder.
If the issue is still unresolved, follow steps in Sync Services: Advanced troubleshooting for contact and calendar syncing.
Have you tried those measures?

ITunes was unable to load data class

I just bought my first iPhone today and when I get home and connect it to my computer iTunes opens up but it takes forever to load (thought it froze) then after 5mins it finally loads and says "iTunes was unable to load data class information from Sync Services", I've restarted multiple times have tried different usb ports, then I connected my brothers 8gb iPod nano and it works just fine.. Im using the latest iTunes out (8.0.2)

You have not mentioned if you tried removing and reinstalling iTunes.
This article will give you the steps for removing iTunes.
http://support.apple.com/kb/HT1925
Download and install iTunes again and see if you get the same error.

ITunes was unable to load data class.. iPhone3g

I just bought my first iPhone today and when I get home and connect it to my computer iTunes opens up but it takes forever to load (thought it froze) then after 5mins it finally loads and says "iTunes was unable to load data class information from Sync Services", I've restarted multiple times have tried different usb ports, then I connected my brothers 8gb iPod nano and it works just fine.. Im using the latest iTunes out (8.0.2)

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 provider from sync services! Please help!

Whenever I try to sync my ipod to my computer it always says "itunes was unable to load data provider for sync services" and I have no idea what to do. People have said that you change the sync services folder to sync services_old but I dont have a sync services folder when I go into app data / roaming / apple computer PLEASE HELP!
It still lets me sync my music and transfer music but the message wont go away.
Specs:
itunes is upto date
iOS 6.1.3 on 4th generation ipod if that helps
Windows 7

In the course of your troubleshooting to date, have you also worked through the following document?
iTunes for Windows: "Unable to load data class" or "Unable to load provider data" sync services alert

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

I keep getting this error message: ITunes was unable to load data class information from Synch Services. Reconnect or try again later. What does that mean? Can I fix it? or do I have to wait for the next update?

I keep getting this error message: ITunes was unable to load data class information from Synch Services. Reconnect or try again later. What does that mean? Can I fix it? or do I have to wait for the next update?

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

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 says iTunes was unable to load data sync services.

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