HT201514 When I try to back up ,I get the error message:The backup disk image "/Volumes/Data/ iMac.sparsebundle" could not be accessed (error -1).

When I try to backup I get the error message.The backup disk image"/Volumes/Data/iMac.sparsebundle" could not be accessed(error-1) Any Ideas? it was working fine and i can't think of any changes I made to the system to affect this?

Start with the best resource available..... Time Machine --- Troubleshooting from Pondini, the wizard of all things Time Machine.
" . . . sparse bundle could not be accessed (error -1)"

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HT3275 For the past several days, I have been getting this message during backups: Time Machine could not complete the back up. The backup disk image "Volumes/Data/iMac.sparsebundle" could not be accessed (error-1).

For the past several days, I have been getting this message during backups:
Time Machine could not complete the back up. The backup disk image "Volumes/Data/bhoppy2's iMac.sparsebundle" could not be accessed (error-1). When I click on the 'help' icon on the message, it reverts to a blank page, and I cannot find anything online regarding the term 'sparsebundle.' In addition, I cannot access previous backups any longer.
Help?

See C17 in Time Machine Troubleshooting by Time Machine guru Pondini:
http://pondini.org/TM/Troubleshooting.html

HT3546 I get an error when trying to back up on my TC. Message says - The backup disk image "/Volumes/Data/Macintosh.sparsebundle" could not be accessed (error -1).

I get an error when trying to back up on my TC. Message says - The backup disk image “/Volumes/Data/Macintosh.sparsebundle” could not be accessed (error -1).
Any suggestions

See here...
https://discussions.apple.com/message/20933934#20933934

HT3275 My backup got interrupted and now when I try to backup I get the following message: The backup disk image "/Volumes/Data/Macintosh.sparsebundle" is already in use. What should I do so that I can start backing up again?

My backup got interrupted and now when I try to backup I get the following message: The backup disk image “/Volumes/Data/Macintosh.sparsebundle” is already in use. What should I do so that I can start backing up again?

1. Restart your MBP and try the back up again. If this fails try step #2 below
2. Unplug your Time Capsule from the AC giving it thirty seconds or so to discharge, plug it back in and retry the back up again once you're back online.
3. if step #1 and #2 fails, go here:
http://pondini.org/TM/C12.html

My Time Machine keeps repeating the error message "Time Machine could not complete the back- The back-up disk image "/Volumes/Data/User's iMac.sparsebundle" could not be accessed (error -1). How can I fix this?s/

My Time Machine could not complete the back-up. The error message says "The backup disk image "/Volumes/DataUser's iMac.sparsebundle" could not be accessed (error-1). How can I fix this problem?

Welcome to the Apple Support Communities
See > http://pondini.org/TM/C17.html

HT3275 Hi, I have backed up 2 IMACs and one Mac Book Pro but for some reason, the 3rd IMAC come up with this problem: The backup disk image "/Volumes/Data/Anthony's iMac.sparsebundle" could not be accessed (error -1). Why? They computer system is up to da

Hi, I have backed up 2 IMACs and one Mac Book Pro but for some reason, the 3rd IMAC come up with this problem: The backup disk image “/Volumes/Data/Anthony’s iMac.sparsebundle” could not be accessed (error -1). Why? The computer system is up to date and I have had no issue with the other computers, just this one.
Many thanks
Anthony

Try this Discussion...
https://discussions.apple.com/message/18783684#18783684

HT3275 The Green light is on my time capsule the air port also has a green light but it will not back up all i get is the following message.The backup disk image "/Volumes/Data/iMac-D49A20D0AE94.sparsebundle" is already in use.

The Green Light is on, on my time capsule and airport but it will not back up all i get is the following message below please help.
The backup disk image “/Volumes/Data/iMac-D49A20D0AE94.sparsebundle” is already in use.

Welcome to Apple Support Communities
First, restart your iMac and your Time Capsule. In most of the cases, this should solve the problem.
If it doesn't work, read > http://pondini.org/TM/C12.html

I keep getting the message "The backup disk image "/Volumes/Donald Baker's Time Capsul/Donald Baker's iMac.sparsebundle" could not be accessed (error -1). does anyone know what this means? My time capsule refuses to back up.

I keep getting the message "The backup disk image “/Volumes/Donald Baker's Time Capsul/Donald Baker’s iMac.sparsebundle” could not be accessed (error -1). does anyone know what this means? My time capsule refuses to back up.

Time Capsule and Time Machine master guru Pondini has all the answers.
Check # C17 in his excellent support document Time Machine -- Troubleshooting.
http://Pondini.org/TM/Troubleshooting.html

HT1218 ?My time machine could not complete back up. Says backup disk image"/volumes/data/name's iMac.sparsebundle" could not be accessed error 1??

Time Machine could not complete the backup.
The backup disk image "/Volumes/Data/Name's iMacsparsebundle" could not be accessed (error -1 )

I checked the pondini fixes and ended up doing the following - in case this could help someone else with OSX Lion and Time Capsule... http://pondini.org/TM/Troubleshooting.html
First, I downloaded and used Airport Utility 5.6 instead of 6.1 - BTW, I had to attempt download and installation THREE times before the program actually installed. Be persistant.
Pondini #5: It's possible some names (of all things!) may be a problem. See item C9. I had to re-name my Mac, Time Capsule, network, etc... to remove all apostrophes and spaces.
Pondini #7: If you have WD SmartWare installed on Lion, it's not compatible, per RoaringApps, and there are reports it can cause this problem as well. Use Western Digital's uninstaller, or delete the app from /Applications and the files com.wdc.WDDMservice.plist and com.wdc.WDSmartWareServer.plist from /Library/LaunchDaemons. There may also be a file in Library/Application Support.
I then had to shut down computer, unplug Time Capsule, unplug modem; plug everything in again, then reboot computer; then had to go to Apple- System Preferences- Network- and reselect my Time Capsule to connect to WiFi again.
Then opened Time Machine preferences again and attempted back up - it worked!

My time machine will not back up. It says the backup disk image "/Volume/Data/Eunice.sparsebundle" is already in use

What does that mean and how do I correct it so it will back up?

Restart your MacBook and your Time Capsule (or disconnect your Time Machine external drive). Finally, you will be able to make backups of your files again.
If you have got a Time Capsule, Apple released a firmware update that fixes this issue. Open AirPort Utility (in /Applications/Utilities) and follow the steps. See > http://pondini.org/TM/C12.html

When backup the imac with time capsule, the time machine will show error with volumes/data/imac/sparsebundle could not be created??

Can anyone help with the above situation??

There are a number of things that cause the problem.
http://pondini.org/TM/C17.html
Usually if you go to disk page in manual setup of the airport utility (5.6 of course as 6 is a toy), disconnect all users and it will then work ok again.
The issue is Lion (maybe contributed to by the 7.6 and later firmware).

I get an error message when running a back-up from my Macbook Pro: The backup disk image Macbook.sparsebundle could not be accessed (error-1) and the backup did not complete? What is the issue?

I get an error message when running a back-up from my Macbook Pro: The backup disk image Macbook.sparsebundle could not be accessed (error-1) and the backup did not complete? What is the issue?

Try Here > http://pondini.org/TM/C12.html
More Info here > http://pondini.org/TM/Time_Capsule.html

MacPro backed up to Time Machine, added Mac Mini now get "The backup disk image "/Volumes/Data/Jerry Booher's MacBook Pro.sparsebundle" is already in use." error when Mac Pro tries to back up

MacPro backed up to Time Machine, added Mac Mini now get "The backup disk image “/Volumes/Data/Jerry Booher’s MacBook Pro.sparsebundle” is already in use." error when Mac Pro tries to back up

It is standard Mountain Lion error due to the networking ability which is comparable to wet string. (actually that was lion.. it dried out some with Mountain Lion.. higher in the hills perhaps!!)
See C12 and C17
http://pondini.org/TM/Troubleshooting.html
But many people are suffering the same issue..
And the above is even a little out of date.. you might need to do a reset to the TC.
Welcome to Apple's beta program for everyone.

TS1550 When backing up my iMac to the time machine I get the following message, 'The backup disk image "volumes/Data/My Name iMac(7).sparsebundle" is already in use". The backup is not completed. Any thoughts on what do to get the backups going again?

The auto backup to my time machine has developed a glitch which prevents the backing up of the iMac. The message is as follows:
'The backup disk image "/volumes/data/Name iMac(7).sparsebundle" is already in use.
Any ideas on how to fix.

Welcome to Apple Support Communities
Restart the iMac and Time Capsule. In most of the cases, this should solve that problem. If it doesn't work, read > http://pondini.org/TM/C12.html

I keep getting this error when trying to backup time capsule with time machine. The backup disk image "/Volumes/Data-1/Dan's iMac.sparsebundle" is already in use.

I keep getting this error when trying to backup time capsule with time machine. The backup disk image “/Volumes/Data-1/Dan’s iMac.sparsebundle” is already in use.

Make sure that no other Macs are backing up at the time.
Pull the power cable from the back of the Time Capsule
Count to ten
Plug the power cable back into the back of the Tme Capsule
Wait a few minutes, then try a backup again.

HT201514 When I try to back up ,I get the error message:The backup disk image "/Volumes/Data/ iMac.sparsebundle" could not be accessed (error -1).

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