I keep getting an error message: Backup disk image could not be accessed

Does anyone know how to fix this message?
The backup disk image "/Volumes/....." could not be accessed. (error -1).

Hello Dawnellk,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
Downloading past purchases from the iTunes Store, App Store, and iBooks Store
http://support.apple.com/kb/ht2519
Previous purchases may be unavailable if they have been refunded or are no longer on the iTunes Store.
Best of luck,
Mario

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My Time Machine / Time capsule gets the error: The backup disk image could not be mounted

My time machine / time capsule gets the error: The backup disk image could not be mounted.

Reboot the TC.
If you normally have multiple computers backing up, under Lion there seems to be some issues.. you need to force other users off the system. You can do that through the Airport utility, manual setup, disks, disconnect all users. Note carefully if you use Lion you probably need to download the real airport utility.. 5.6 to accomplish anything useful.

Error Message: Backup Disk Image Could Not Be Mounted?

Hi...
I just got my Time Capsule and I’m getting that error message, every so often. I assume it’s doing it’s periodic check to see if anything needs backing up - and something isn’t being recognized.
Any steps to correct this?
Comments, suggestions and opinions are welcome.
Thank you in advance...

We've been through a long discussion of this exact problem in another thread. Perhaps you should read it for answers. Look for it here.

I am having trouble downloading purchased songs to my iphone. I keep getting an error message that the song could not be downloaded. Why? How do I fix this?

I am having trouble downloading purchased songs to my iphone. I keep getting an error message that the song could not be downloaded. Why? How do I fix this?

Hello Dawnellk,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
Downloading past purchases from the iTunes Store, App Store, and iBooks Store
http://support.apple.com/kb/ht2519
Previous purchases may be unavailable if they have been refunded or are no longer on the iTunes Store.
Best of luck,
Mario

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Thanks a lot Loe for the Feedback. The issue was not my configuration but rather the type of Wireless LAN controller I have, the WLC does not support my AP's. I have a Cisco 520 series WLC and got to know they only work with the 500 series AP's. my AP's are 1130 series meaning i have to get another controller or change the APs.
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We aren't Apple, just users like you volunteering to help other users with problems. Threatening to go to Samsung doesn't mean anything to us. What troubleshooting have you tried so far?

Time Machine Error: "The backup disk image could not be created." Help.

I have two Macbook Pro's. One is able to backup to the Time Capsule with no problems. The other connects just fine to Airport Utility, but I get the following error after I attempt to backup: Time Machine Error: "The backup disk image could not be created."
I have reset the Time Capsule several times, so that is not the fix.
The first thing I see when attempting to open Time Machine is the following message: :The storage location for Time Machine Backups can't be found." It gives me the option to setup the Time Capsule, which I select. The next thing I select is to Change Disk. The window that opens has the Icon with Three people on it. The name of that Icon is The Moreman Time Capsule. I select it, and enter the password I created. I then choose to Backup. Then I choose to backup now. That is when I get the error: Time Machine Error: "The backup disk image could not be created."
Any ideas? Has anyone encountered this problem?

You have to delete the .dmg file and start over. This happened to me 3 times already, I finally switched to Déjà Vu, works perfect and only once a day instead of 24 times a day.
http://propagandaprod.com/

Time Machine error "The backup disk image could not be created"

I'm trying to back up to an external hard drive on a home network (not Time Capsule). Time Machine appears to recognize the drive, and the correct amount of free space on it, but fails with the error "The backup disk image could not be created" after a lengthy "Preparing" wait. What's going on? Other applications are able to access this drive with no problems.

I know Apple won't support other makes of NAS, but this post I found from Pondini worked for me.
Hi, and welcome to the forums.
Check your Computer Name at the top of the System Preferences > Sharing panel.
It must not be blank; it should not be more than 25 characters long; and you should avoid punctuation, spaces, and special characters.
After changing it, click the Edit button and make the corresponding change to the Local Hostname.
If that doesn't help, apply the same rules to the name of your Time Capsule and Network, via Airport Utility.
It was really as simple as that (after I had done such things as delete the sparsebundle file, created a new one, zeroed-out the new one, nightmare!)
Problem seems to be with OS X's naming of Macs when you first set it up, as it creates a hostname "<yourName>'s Mac Book." When the NAS software (mine anyway) creates the sparsebundle image it replaces the spaces of the hostname with hyphens and strips out the apostrophe, which is never gonna work.

I am getting a Time Machine error "The backup disk image could not mount"

Time Machine message "The backup disk image could not be mounted"

Go to Pondini's Time Machine FAQ for assistance.

Time machine error: The backup disk image could not be mounted

Time Machine worked OK for several months. Now I get this error every 10 minutes or so.
I unplugged Time Machine capsule and "Change Disk" in Time Machine options.
Nothing helps, I continue to get this error.
I cannot Enter Time Machine either. "Connecting to Server, Connecting to backup" does not work.
Help please because I will probably have to archive and reinstall Leopard. I need the backups,
Christine

Christ1ne,
Before you reformat the disk, consider these causes of this error.
*_"The Backup Disk Image Could Not Be Mounted" (Console - “Failed to mount disk image”)_*
First, it is important to distinguish this error message from another, similar Time Machine error that states “The backup volume could not be mounted”. This is important as the causes and cures for these two errors can be very different.
Consider each topic below separately. When one option does not resolve your issue, then move on the next one.
*Unmount the Backup Disk Image* (TC)
If, for some reason, you have manually mounted the Time Machine backup disk image (sparsebundle), or Time Machine failed to eject it after the previous backup, subsequent backups may fail. (Console - “Failed to mount disk image”… “Backup failed with error: 21”)
Eject the backup disk image (white drive icon) by either clicking the little Eject icon to the right of the disk image in the Finders’ Sidebar, or Ctrl-Click the drive icon on the desktop and select “Eject” from the contextual menu. Now try backing up again or launching Time Machine to view previous backups.
*“Disconnect All Users…”:*
If your Time Machine backup drive (“Backup of Users Computer”) is mounted on your desktop or in the Sidebar of the Finder window. then Time Machine may think the drive is already in use. Alternatively, if the Time Capsule hard disk has been recently accessed by a Windows machine, it may not have fully relinquished control. Do the following:
Open Airport Utility and select the Time Capsule on the left.
Click “Manual Setup”.
Select “Disks” at top of window.
Click “Disconnect All Users…” at bottom of window.
Close the Airport Utility.
Now try Backing up again.
One poster reported: “I got it resolved. Apparently it had to do with one of the files being open on the disk from the drive. I had browsed the disk with one of my windows boxes here and it must have left one of the folders "open". Anyway, I rebooted the TC and we are good to go now.”
*Proper Computer Name* #
Make sure your computer has a proper name. Go to System Preferences --> Sharing. Time Machine needs to differentiate your computer from others on your network (i.e. "Bills MacBook" or "Office iMac"). If the "Computer Name" field is blank, create a name. Realize that if this step is necessary, you will likely have to start the Time Machine backup process over again and do another full initial backup.
According to this article, [http://support.apple.com/kb/TS1760], Time Machine may experience problems if your computer name includes certain characters. Make sure the computer name only includes ASCII characters from the following set.
(0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ)
Once a change in the computer name occurs, you should stop and restart Sharing on the affected computer. Uncheck and then recheck Sharing in the Services list on the left.
# Try removing the apostrophe from the disk images name (sparsebundle).
*A Stalled .inProgress Files:* #
It may be that the previous backup attempt was ungracefully interrupted leaving remains that Time Machine can’t deal with.
Stop any current backup attempt. Choose “Stop Backing Up” from the Time Machine menu.
Open the Time Machine Preferences and turn “OFF” Time Machine.
Open your Time Machine drive.
Open the folder labeled “Backups,backupdb”.
Now open the folder containing backups of the computer in question.
Are there any “.inProgress” files there. Delete them by dragging the file to the Trash. Or Ctrl-Click the file and select "Move to Trash" from the contextual menu. (Give this time as deleting a large file on an external disk can take a while.)
Turn Time Machine back “ON”. Now try backing up again.
NOTE: If the above procedure becomes impossible to perform, try accessing the disk image from another Mac. Some have discovered that attempting a repair from another computer succeeds where the original computer failed.
Let us know if any of the suggestions above helped to resolve your issue.
Cheers!

TC Error "The backup disk image could not be mounted."

My new time machine was working fine for a couple of weeks now I am getting this error message constantly. Does anyone have any suggestions what to do?
"The backup disk image could not be mounted."

I posted the same thing a couple of threads down, I deleted the back up then went into the time machine options and choose the time capsule option again and did another full backup and now it seems to be working properly.

I keep getting this error The backup disk image "/Volumes/Data/APPLE's iMac.sparsebundle" could not be accessed (error -1)

I have two Imacs backing up to a time capsule and I keep getting this error on one of them The backup disk image “/Volumes/Data/APPLE’s iMac.sparsebundle” could not be accessed (error -1). How do I resolve this?

See #C17 in Time Machine -- Troubleshooting by Pondini, our resident expert on Time Machine.
http://pondini.org/TM/Troubleshooting.html

HT3275 The backup disk image could not be accessed (error -1).

I would like to know what to do, I can't back up anymore, error message is :
The backup disk image xxxx could not be accessed (error -1).

OK I found this page- maybe it will help:
https://discussions.apple.com/thread/4002057?start=0&tstart=0

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Any help would be greatly appreciated.
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Select a broken track and press ctrl-i to Get Info. Look on the summary tab for the location where iTunes "thinks" the file should be. Where is it really? Post back the two locations and I can suggest the best approach.
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I keep getting an error message: Backup disk image could not be accessed

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