Unable to backup!

This is a serious problem I encounter after upgrading to IOS4. Help me please.
I received this error message when I start to sync my iphone. My Iphone is 3GS and upgraded to IOS 4. I can sync everything just couldn't back up!
Error Message: "iTunes could not back up the iPhone" Owner's iPhone" because an unknown error occurred (-20)."
Can someone help me rectify what this problem is?
Thanks

I also am haveing this problem,just started yesterday,just before the"NEW" update,what the HE** is going on I spent an hour with tech support before
I had to go to work to no avail.Tryed re-loading iTunes from a new download,re-boot phone,was finally able to to do a restore lastnight of the phone,and even though I found the apps and other things in my music folder under itunes folder it still will not back up my phone.will be on the phone again this evening with support .This is borked,I have never had a problem until now any way to get my phone back to the 3.1.8 software/firmware??

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I created an iCloud account and also had to get more space after I have done the purchase, I am unable to backup my phone! I have a stable wifi connection at home and all I see for hours and hours is "Backing Up .. Estimating time remaining"!!!!! Plz help

I created an iCloud account and also had to get more space so after I have made the purchase, I am unable to backup my phone! I have a stable wifi connection at home and all I see for hours and hours is "Backing Up .. Estimating time remaining"!!!!! Plz help I'm unable to make the backup as I need to transfer all my data on my new iPhone 5S

This may be caused by a corrupt existing backup that needs to be deleted, or by data on your device that is causing the backup to fail. To troubleshoot these, try deleting your last iCloud backup (if you have one) by turning off iCloud Backup in Settings>iCloud>Storage & Backup, then tap Manage Storage, tap your device under Backups, then tap Delete Backup. Then go back and turn iCloud Backup back on and try backing up again.
If it still won't back up, you may have an app or something in your camera roll that is causing the backup to fail. To locate which one, go to Settings>iCloud>Storage & Backup>Manage Storage, tap the name of your device under Backups, under Backup Options tap Show All Apps, then turn them all to Off (including camera roll) and try backing up again. If the backup is successful, then the camera roll and/or one of your apps is causing the backup to fail and you'll have to located by process of elimination. Turn the camera roll On and try backing up again. If it succeeds, turn some of your apps to On and try backing up again. If it succeeds again, turn some more apps to On then try again; repeat this process until it fails. Eventually you'll be able to locate the problem app and exclude it from your backup.
In the meantime you can back up your phone to your computer by connect it, opening iTunes and going to File>Devices>Back Up. Also be sure to transfer your purchases (File>Devices>Transfer Purchases). Then set up your new phone and when given the option, choose Restore from iTunes Backup and follow the prompts to restore this backup to your new phone. This will be much faster than using iCloud anyway.

TS2529 I am unable to backup my iphone 5 iOS 6.0.1 (connected directly to laptop USB) with my itunes 11 for Win 7 64bits. The process starts and fails to complete giving the error: itunes could not complete backup of iphone because iphone disconnected.

I am unable to backup my iphone 5 iOS 6.0.1 (connected directly to laptop USB) with my itunes 11 for Win 7 64bits. The process starts and fails to complete giving the error: itunes could not complete backup of iphone because iphone disconnected.
I have restarted the PC, the iphone, changed the lightining cable and nothign resolves it: backup never completes.

Hi, I disabled the antivirus and the firewall. Same result
I even deleted the backup folder inside C:\Users\...\Apple Computer\MobileSync\Backup to eliminate any corruption in the old backup files.
Nothing changed: Session either times out or i get the same error message: itunes could not back up iphone because iphone disconnected. It always happens during step 3 out of 4 which is "transfering purchased apps from iphone to PC" and comes after step 2 which is backup.
My iphone 5 is not jailbroken, and is a factory unlocked phone.
Any other suggestion?
Pls help

Unable to backup iPod (greyed out option)

I have my iTunes library set up to run from an external HD. At the moment the backup option on File > Devices is greyed out. I've found various solutions that suggest that that backups have been disabled on preferences and it should just be a matter of changing a setting in the run box (http://www.techimperial.com/how-to/disable-itunes-backup-sync/). However, despite doing this, and checking that this is correct in the .xml file, I am still unable to backup my iPod. It doesn't offer the option when I sync it, or try through File > Devices (and there's no options on the iPod summary screen either).
I've also tried the following: updated the iPod software, made sure I'm running the latest version of iTunes (11.3).
Could it be because I'm running iTunes from a library on my external HD? Any suggestions to fix this? I really don't want to have to resort to using the cloud.
Thanks.

That backup feature only applies to iOS devices, iPhone, iPod touch, & iPad. All of the content that goes onto to your iPod nano should already be in your library.
tt2

Unable to backup my iPhone 5c in Itunes

hello,
I keep getting an error mgs when i connect my USB into my iphone and laptop. The mgs says that its unable to backup iPhone because my computer is not authorized for itunes purchases. does anyone know what that means???? HELP!!!

That means exactly what it says. Your computer is not Authorized to the Apple ID account that the content was purchased with. If your iTunes is logged in to an Apple ID you must log out, then log in using the same Apple ID that the content was purchased with. Then go to the Store menu and choose Authorize.

IOS 8 Upraded and unable to Backup to ITunes.

I am unable to Backup to ITunes after upgrading to IOS 8 due to unknown error.
I have tried on 2 Authorizes Computers with the same negative result.
Is anyone able to please help resolve my issue.
Thank you.
Alex / Melbourne Australia

Hello alpal1,
The article linked below details a number of steps that can help get your iPhone backed up via iTunes.
iOS: If you can't back up or restore from a backup in iTunes
http://support.apple.com/kb/TS2529
Cheers,
Allen

After installing iOS 8 on my MacBook Pro I've been unable to backup my laptop to Time Machine - any advise?

After installing iOS 8 on my MacBook Pro I've been unable to backup my laptop to Time Machine - any advise?

I would really like to know how you managed to do that seeing as how the MBP is not capable of running iOS
iOS is only for mobile devices such as iPhones, iPads and iPods
The MBP uses OS X instead
Maybe once you get your story straight we can help you

Unable to backup iPhone to PC

Win8.1 PC & iPhone 5S.
iTunes & iPhone SW are up-to-date.
I've no interest in using the Cloud & want to backup my iPhone to my PC via iTunes.
I have the "This Computer" box checked under Backups in iTunes & iTunes recognizes my iPhone.
Music Playlists synch from iTunes-on-the-PC to the iPhone just fine when I synch (just purchased some songs, downloaded them to a playlist on the PC/iTunes then synched that list to the iPhone.
Every time I synch I get the "backup failed" msg from iTunes with no explanation.
When I try to manually backup the iPhone to the PC via iTunes, after a couple of minutes I get the error msg: "iTunes could not back up the iPhone [name of my phone] because the backup session failed." Duh - highly information, eh?
All iTunes Diagnostic test passed. The only odd thing I notice is the statement: "Current user is not an administrator" which makes no sense to me in that I'm the only user of this PC.
For years I've done this until the iCloud came to be last year Ever since, I've not been able to backup to my PC.

Hey there WillyC33,
I see that you are unable to backup your iPhone to your computer. Here is an article for you that can help you troubleshoot this issue and resolve it:
If you can't back up or restore your iPhone, iPad, or iPod using iTunes - Apple Support
https://support.apple.com/en-us/HT203271
Thanks for using the Apple Support Communities!
Cheers,
Braden

HT1766 I am unable to backup my iPhone to computer

I am unable to backup my iPhone to my computer.

See Here > http://support.apple.com/kb/ts2529

TS3992 I am not able to backup my iphone to Icloud because my wi-fi is greyed out on my phone. The wi-fi button will not slide to the ON position, therefore, Iam unable to backup my phones contents. What can I do?

I am not able to backup my Iphone to Icloud because my wi-fi is greyed outon my phone. The wi-fi button will not slide to the ON position, therefore, Iam unable to backup my phones contents. What can I do? I need to save my pics, info....etc, because I have to get another phone.

Back up to your computer instead. To do this, connect your phone to your computer, open iTunes, click on the name of your phone in iTunes, go to the Summary tab of your iTunes sync settings and click Back Up Now. Also go to File>Devices>Transfer Purchases to transfer your apps and other purchased media to your iTunes library. Finally, save any photo stream photos to your camera roll (open your my photo stream album, tap Edit, tap the photos, tap Share, tap Save to Camera Roll), then import your camera roll photos and videos to your computer as explained here: http://support.apple.com/kb/HT4083. (You don't need to delete them from your phone afterwards unless you need the space.)
If you're getting another phone, be sure to delete your iCloud account and turn off iMessage, FaceTime and Game Center before doing so. (See http://support.apple.com/kb/HT5661).
This is a support article on your wifi issue: http://support.apple.com/kb/ts1559.

I'm unable to backup my iphone. It is saying 'iTunes could not backup because the backup was corrupt or not compatible with the i Phone.' i deleted my previous back up but it still isn't helping. Any suggestions ?

I'm unable to backup my iphone. It is saying 'iTunes could not backup because the backup was corrupt or not compatible with the i Phone.' i deleted my previous back up but it still isn't helping. Any suggestions ?

Mac: ~/Library/Application Support/MobileSync/Backup/
Windows XP: \Documents and Settings\(username)\Application Data\Apple Computer\MobileSync\Backup\
Note: To quickly access the Application Data folder, click Start, and choose Run. Type %appdata% and click OK.
Windows Vista and Windows 7: \Users\(username)\AppData\Roaming\Apple Computer\MobileSync\Backup\
Note: To quickly access the AppData folder, click Start. In the search bar, type %appdata% and press the Return key.
Delete the entire Backup folder if there is anything at all in it.

I am unable to backup my whatsapp from icloud.

my icloud is unable to backup whatsapp.

You would need to contact Whatsapp support for help with that: http://www.whatsapp.com/contact/.

SQUIRRELLY Leopard Server and Unable to Backup using Anything!

I upgraded from 10.4 to 10.5.2 Leopard server, and am having some difficulties that I can't resolve.
The server is running on an Intel dual core MacMini, and is primarily used for email. It isn't serving any webpages at the moment. The install was "from scratch" and not some kind of upgrade; only the mail was moved over from the previous server using Mail BFR.
I have been unable to backup the server in any way. I have tried:
• Superduper (2.5) which is how I backed up the previous server without problem
• Carbon Copy Clone
and now
• Time Machine
The first two would run about 2/3 the way thru, and the computer would "freeze" (mouse activity but nothing would work, required hard reset to recover). No logs available as the problem does not leave anything showing the problem.
Time Machine was tried today, and it ran about 1/2 the server (only 18GB) and kernel panic resulted (log below).
Tried all the usual troubleshooting methods; rebuild permissions, ran deep-cleaning, etc.
I hate to have to restart the whole process from scratch.
Thanks

That is definitely the intended operation sorry, this is done so that if you have encrypted the device no one can just plug your phone into a PC and pull all the data off.
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Why are some photos on camera roll but not in photo stream. Unable to backup as camera roll size is too big for free 5gb.

Why are some photos on camera roll but not in photo stream. Unable to backup as camera roll size is too big for free 5gb.

I assume you have Photostream on, correct?
In order for the photos to be moved into Photostream, you must exit the camera app, and be on a wifi connection. Both of these criteria must be met before the sync occurs.

After sync unable to backup remarks hp disconnect

After update & sync unable to backup - remarks shown hp disconnect

I am going through the same situation since upgrading to 2.1 from Beta..
No clues at all of what is going wrong......

ERROR: Backup message response: 212 Unable to backup until Setup is finished

Dont backup iphone 8.1.2. Whats up?
AppleMobileBackup[35473]: ERROR: Backup message response: 212 Unable to backup until Setup is finished (MBErrorDomain/212)

Additional info since some searchs brought it up. I did install several versions of the iOS 6 beta when it was in beta at the time.

Unable to backup!

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