Time Capsule "backup disk could not be found"

I occaisonally receive an error message on my Macbook Pro and iMac, both running OS 10.8 that my time capsule "backup disk could not be found."  I can access the Time Capsule with Airport Utility, can see my backups in Time Capsule-it just won't back up.  It doesn't matter whether I am connected via wifi or ethernet cable.  I have had to basically disconnect and then go through a complete backup when this happens, which kind of makes Time Capsule useless for a real backup plan  Any suggestions?

I recently came accross an instruction to reduce the number of characters in the Time Capusle backup disk name.  After a year of having to restart my Tiem Capsule to get my MacBook Pro to backup, it now seems to do so consistently.

Similar Messages

  • Airport Extreme/Time Capsule backup volume could not be found?

    I am having problem with Time Machine. When I try to backup using Time Machine, I get an error message, " The backup volume could not be found." Strangely, Time Machine recognized the drive when setting the Time Machine preferences, but not when I backup.
    If i select from the 'select disk' again and try again i get Keychain Access error 25299 and have to delete that in the Keychain for it to even get to the point of counting down to start back up
    I have erased my Time Capsule recently and was starting fresh but now i cannot get time machine running again...
    In the shared section of the finder the time machine backup is only appearing in the network area rather than directly there...
    Any ideas?
    Many thanks.

    Hi there.
    I would suggest First Aid of your Keychain, but that hardly ever works (especially in this situation).
    What I would do first, is go to ~/Library/Keychains/, grab the login.keychain and move it to the desktop. Log out, and log back in again. If that fixes it, then get the old login.keychain from the desktop and put it in the trash. (You will lose all your saved passwords for networks etc.)
    If that doesn't work, unfortunately the only option would be to do an Archive & Install.
    So you just need to put your 10.6 disk in again and install over the system.
    Your personal data/files should still remain intact. Although I would still suggest making a backup (ironic considering the situation)
    Cheers
    Taylor

  • Time Machine error "The backup disk could not be found"

    I use Time Capsule with Time Machine, Lion OS and manage to setup successfully. However after I on it for few hours, there is backup error. Time Machine error message "The backup disk could not be found." But the internet wifi is working normally.
    To solve this issue I have to power off and on it again, then the disk can be detected. But after few hours same thing happen again.
    Is it a hardware faulty or sometime that cause the Time Capusle harddisk to sleep after sometime?

    I have this exact same problem.  When I restart the Time Capsule I can then start backups normally, but it requires manual intervention.  That's dissapointing because Time Machine and Time Capsule are supposed to be an automatic, worry free backup.  I have to restart the Time Capsule frequently.  Annoyed.

  • Time Machine: Backup Volume Could not be Found

    I recently upgraded to Leopard. I have a brand new Lacie external hard drive.
    I have tried to use Time Machine with the Lacie HD, but it fails and gives me this message, "Backup volume could not be found."
    I did some troubleshooting. I tried to reformat the HD, but that gave me errors as well, stating "Could not unmount disk"
    The HD is currently formatted to Mac OS Extended.
    I am not certain if this is a problem with the HD, or just user error! I also had problems with iTunes when I tried to move the Library to the HD. I got and error message stating "you don't have sufficient privileges"
    I only have 2.5G left on my internal HD, so I am a bit concerned. Any guidance would be much appreciated!!

    when you select the TM hard drive in disk utility (the model, not the name) look at the bottom of the DU window. Do you see the line
    Partition Map Scheme : GUID Partition Table?
    Also, I looked at your first post again and it says that you only have 2.5GB of space available on your main drive. I don't know how big your hard drive is but that's a tiny amount. You need to offload part of your data to a different drive ASAP. when free space gets that low, disk fragmentation becomes a very serious issue. system slows done and start behaving in unpredictable fashion. This can lead to all sorts of problems including directory damage. Run "verify disk" on your main drive and see if any errors are reported. I don't know for sure if this is related to your TM problems but it very well might be.

  • Time machine couldn't complete the backup to "GoFlexHome".  The backup disk could not be found.  What options do I have?  I haven't backed up since October 8, 2014.

    Need help fixing issue with backing up my iMac.  As of October 8, 2014, time machine can no longer find my "GoFlexHome" back up disk.  I think this may be when I update to Yosemite, but can't recall.  I am scared to delete my backup since I don't know if that is the fix.  I found this info. on-line thru Seagate, http://knowledge.seagate.com/articles/en_US/FAQ/219531en?language=en_US, but I am not sure if this will be the fix.  Has anyone else experienced this issue?

    Tara,
    Open Disk Utility (Applications - Utilities - Disk Utility) and look to see if your TM drive can be seen. If it cannot then reset the SMC and PRAM (the SMC may need 2-3 attempts), instructions are in iMac SMC and PRAM reset.
    If the drive cannot be seen after performing the resets, get another cable and re-attach and look to see if it can be seen. If it still cannot be seen, then the drive may have failed and needs to be replaced. If you have another Mac available, connect the drive to that Mac and see if it is seen on that machine or not.

  • The backup disk could not be found.

    Upgraded to Mountain Lion and ...

    Please visit Pondini's Time Machine FAQ for help with all things Time Machine.

  • Time Machine not backing up - Backup disc could not be found

    Time Machine has not backed up since April 2 because the backup disc could not be found.  It was working prior to this.  I cannot restore from prior backups - Restore button is greyed out.  Time Capsule is not connected in AirPort Utility.

    Installed Dr. Cleaner 3/29 and Memory Clean 3/29 - both were updates.
    That.....is the problem. Time Machine does not like "cleaners", "optimizers", "keepers".....anything like that. Your Mac does not need these types of applications since they generally do more harm than good.
    Anti-virus applications will drive Time Machine crazy as well.
    My advice would be to remove this type of software from your Mac according to the software manufacturer's instructions.
    Then power cycle the entire network.
    If the Time Capsule disk comes back into view, you should run a Verify Disk operation as soon as possible.  Your backups may now likely be corrupted, and if that is the case, Time Machine will not be able to back up until you erase the Time Capsule disk and try to start over again with a new backup.

  • Time Machine: The backup volume could not be found?

    I keep getting the message "The backup volume could not be found" when I try to back up my Macbook Pro using an external Lacie USB harddrive. I have tried reformatting the harddrive, and restartet the computer. The external harddrive works normal in Finder, I am able to write and read it, but Time Machine still get this error message. Can anyone help me here?
    When I look in the console log, it sais: Volume at path /Volumes/MBP Backup does not appear to be the correct backup volume for this computer. (Cookies do not match)
    Where can I delete this cookies?

    There is a Time Machine preferences file at
    <your startup drive root>/Library/Preferences/com.apple.TimeMachine.plist
    Note: This is be main Library folder, not the one in your user folder.
    You might try moving that to the Desktop so that the system creates a new one.

  • Time machine has stopped working - 'the backup volume could not be found'

    i'm not sure what happened, but my macbook pro hasn't been able to backup to my time machine for the past few weeks. i get a 'delayed' message, then in time machine prefs it says 'the backup volume could not be found.' i can manually mount the backup image, but it still won't backup. my wife's 12" powerbook is backing up perfectly. we both have 10.5.4. i was having the problem before the 7.3.2 firmware update, so that doesn't seem to be the cause. has this happened to anyone else? could my computer somehow lost track if the backup? is there prefs that can be trashed? i don't mind losing my old backups if i need to start over, but i can't figure out how to force it to backup because i keep getting the 'backup volume can't be found' no matter what i do.
    my setup: dsl modem into time machine / my macbook pro, my wife's powermac 12", and our apple tv are the only clients.

    There is a Time Machine preferences file at
    <your startup drive root>/Library/Preferences/com.apple.TimeMachine.plist
    Note: This is be main Library folder, not the one in your user folder.
    You might try moving that to the Desktop so that the system creates a new one.

  • The backup volume could not be found

    Spent a fair amount of time on the phone with Apple last night trying to get my Macbook Air to work with Time Machine/Time Capsule.
    Symptoms of my problem included Time Machine Preferences giving the error "The backup volume could not be found"
    Console messages complaining about not being able to find the MAC address for machine:
    (console is accessed by clicking Go -> Utilities -> Console from the Finder, and then selecting All Messages)
    11/7/08 11:06:13 AM System Preferences[123] *Time Machine failed to get MAC address for machine.*
    11/7/08 11:13:09 AM /System/Library/CoreServices/backupd[1603] Starting standard backup
    11/7/08 11:13:09 AM /System/Library/CoreServices/backupd[1603] Network mountpoint /Volumes/Time Capsule not owned by backupd... remounting
    11/7/08 11:13:09 AM kernel AFP_VFS afpfs_mount: /Volumes/Time Capsule-1, pid 1604
    11/7/08 11:13:09 AM /System/Library/CoreServices/backupd[1603] Network volume mounted at: /Volumes/Time Capsule-1
    11/7/08 11:13:09 AM /System/Library/CoreServices/backupd[1603] *Volume at path /Volumes/Time Capsule-1 does not appear to be the correct backup volume for this computer. (Cookies do not match)*
    11/7/08 11:13:09 AM /System/Library/CoreServices/backupd[1603] Backup requested due to disk attach
    11/7/08 11:13:14 AM /System/Library/CoreServices/backupd[1603] *Backup failed with error: 18*
    And my only network interface was showing up as en1 (instead of en0). You can check this by using Network Utilities:
    - On the Finder main menu bar click Go -> Utilities -> Network Utilities
    If "Network Interface (en0)" is not an option in the drop down list under "Please select a network interface for information" (mine was showing as en1), then the following steps will probably solve your problem:
    1) Enable the root user
    - Open the finder
    - On the Finder main menu bar click Go -> Utilities -> Directory Utility
    - On the menu bar click Edit -> Enable Root User
    - set a password (they suggested using the same password as is used for the main user account)
    2) Login as the newly enabled root user
    - Click Log Out... from the Apple menu on the main menu bar
    - select "Other" at the login screen
    - enter the user name "root" and the password you set in step 1
    3) Drag Preferences folder to the desktop
    - open the finder, and click on Macintosh HD and then Library
    - drag the Preferences folder onto the desktop
    4) Restart the computer
    - Click Restart from the Apple menu on the main menu bar
    After this, the Network utility should show "Network Interface (en0)", and Time Machine should work.

    Jackson,
    See this article for the reasons why you see "Time Capsule-1 does not appear to be the right volume..."
    [http://discussions.apple.com/thread.jspa?messageID=8116036&#8116036]
    As for the error message you are getting, here are several reasons why you would see this message...
    *_"Backup Volume Could Not Be Found"_*
    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.
    *Reselect Your Time Machine Disk*
    (http://support.apple.com/kb/TS1329)
    In the Finder, go up to the "Go" menu and select "Connect to Server".
    Click the "Browse" button at the dialogue box.
    In the Network window that opens, do you see your TM drive?
    Double click it to mount the drive.
    Now let's try to reselect it for Time Machine use.
    Go to System Preferences --> Time Machine.
    Click the "Change Disk..." button.
    Select "None" and click "Stop Backing Up".
    Now click "Choose Backup Disk" and reselect your drive again.
    Close System Preferences and try backing-up again.
    On the other hand, does your Time Machine drive NOT appear at all? Is it appearing on your desktop? If it is still connected try disconnecting the cable, waiting a few seconds and then reconnecting the cable. Does the drive mount on the desktop? Try initiating a backup now.
    *Disk Fails to Wake From Sleep*
    “If your external HD has a sleep function that does not wake for Time Machine backups.  Time Machine will alert you that "The backup volume could not be found", and backups will not be made.” [http://support.apple.com/kb/TS1337]
    *3rd-Party Disk Utilities* #
    Many external hard disks come with software for maintaining/monitoring hard disk activities. It may have come on a separate CD or been installed on the drive itself. If these programs have been installed they may interfere with Time Machine backups, generate erratic behavior, or cause the drive to ‘disappear’ altogether.
    You may never know these applications are there as they may be running in the background. Go to System preferences --> Accounts. Select your account in the pane on the left. Click “Login Items”. Are there any items listed there that might refer to hard disk utilities. If so remove them using the “-” button at the bottom.
    *Delete Time Machine Preference .plist*
    It may be that the preference list that stores the name of your designated backup disk has become corrupted.
    Go to --> Macintosh HD / Library / Preferences (Note: NOT Home / Library / Preferences).
    Drag the .plist file labeled,
    com.apple.TimeMachine.plist
    to the root level of your Macs’ hard drive.
    Reboot your computer.
    This .plist file is automatically recreated at startup if it is missing.
    Now try choosing the external HD in the TM Prefs for backup.
    *Time Capsule Has a Long Name*
    “When using your Time Capsule for Time Machine backups in Mac OS X 10.5 Leopard or later, the Time Capsule backup volume may not mount and Time Machine may not be able to back up to it. This alert may appear: "Backup volume cannot be found". This can happen if the Time Capsule disk has a long name. [http://support.apple.com/kb/HT1170]
    Open AirPort Utility (in /Applications/Utilities).
    Click your Time Capsule's icon.
    Click "Manual Setup".  
    Enter the password for the Time Capsule if prompted.
    Click the Disks icon.
    Highlight the volume name that appears under "Time Capsule Disk".
    In the Name field, enter a name for the volume that is less than 27 characters long.
    Click Update.
    After Time Capsule restarts, on the Mac(s)using Time Machine, open Time Machine preferences and reselect the Time Capsule volume.”
    Let us know if any of these suggestions help.
    Cheers!

  • Everything was OK - now have "The backup volume could not be found" error

    Setup:
    * MacBook Air
    * MacBook 10.5.5
    * Mac Mini with external hard drive with 2 partitions, one of which is called "Time Machine", 10.5.5
    What was working:
    MacBook Air and MacBook would backup with Time Machine over wireless connection to .sparseimage files on the "Time Machine" volume connected to the Mac Mini.
    Change:
    Had to give the MacBook Air back to my old employer, so I "merged" the MacBook Air onto the MacBook (the merge was somewhat convoluted, and unrelated to my issue I think: I used SuperDuper to copy the MacBook Air hard drive onto a new SATA notebook drive. Then I installed that drive in the MacBook. Then I used Migration Assistant to copy the user from the original MacBook SATA drive onto the new drive in the MacBook. Now I have two users on the MacBook, whereas before I had one use on each of two computers).
    Symptom:
    Now I cannot use Time Machine to backup the MacBook to the "Time Machine" volume. Everything I've tried causes Time Machine to briefly "prepare" the backup, then return the error "The backup volume could not be found". Things I've tried:
    * Mounting the volume "Time Machine" on the MacBook, under either user, works fine - I can write, read, and delete from the volume.
    * Deleting the old .sparseimage backup files from the "Time Machine" volume.
    * Erasing the "Time Machine" volume with Disk Utility on the Mac Mini.
    * Using "Change Disk..." in Time Machine to re-select the volume "Time Machine"
    * Using "Change Disk..." in Time Machine to select None, then restarting, then re-selecting the volume "Time Machine"
    * Making the volume "Time Machine" read/write by guests, then connecting to it from the MacBook as a guest instead of as an admin user.
    * Repairing permissions and/or repairing disks using Disk Utility on all applicable volumes.
    * Tried all of the above under both users on the MacBook (both of whom are Admin users)
    None of these things have worked, they all exhibit the same symptom when I manually start a time machine, or when I wait for Time Machine to automatically start the backup.
    Any ideas of what I can try next?

    Consider these reasons for this error...
    *_"Backup Volume Could Not Be Found"_*
    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.
    *Reselect Your Time Machine Disk*
    (http://support.apple.com/kb/TS1329)
    In the Finder, go up to the "Go" menu and select "Connect to Server".
    Click the "Browse" button at the dialogue box.
    In the Network window that opens, do you see your TM drive?
    Double click it to mount the drive.
    Now let's try to reselect it for Time Machine use.
    Go to System Preferences --> Time Machine.
    Click the "Change Disk..." button.
    Select "None" and click "Stop Backing Up".
    Now click "Choose Backup Disk" and reselect your drive again.
    Close System Preferences and try backing-up again.
    On the other hand, does your Time Machine drive NOT appear at all? Is it appearing on your desktop? If it is still connected try disconnecting the cable, waiting a few seconds and then reconnecting the cable. Does the drive mount on the desktop? Try initiating a backup now.
    *Disk Fails to Wake From Sleep*
    “If your external HD has a sleep function that does not wake for Time Machine backups.  Time Machine will alert you that "The backup volume could not be found", and backups will not be made.” (http://support.apple.com/kb/TS1337)
    *3rd-Party Disk Utilities* #
    Many external hard disks come with software for maintaining/monitoring hard disk activities. It may have come on a separate CD or been installed on the drive itself. If these programs have been installed they may interfere with Time Machine backups, generate erratic behavior, or cause the drive to ‘disappear’ altogether.
    You may never know these applications are there as they may be running in the background. Go to System preferences --> Accounts. Select your account in the pane on the left. Click “Login Items”. Are there any items listed there that might refer to hard disk utilities. If so remove them using the “-” button at the bottom.
    *Time Capsule Has a Long Name*
    “When using your Time Capsule for Time Machine backups in Mac OS X 10.5 Leopard or later, the Time Capsule backup volume may not mount and Time Machine may not be able to back up to it. This alert may appear: "Backup volume cannot be found". This can happen if the Time Capsule disk has a long name. [http://support.apple.com/kb/HT1170]
    Open AirPort Utility (in /Applications/Utilities).
    Click your Time Capsule's icon.
    Click "Manual Setup".  
    Enter the password for the Time Capsule if prompted.
    Click the Disks icon.
    Highlight the volume name that appears under "Time Capsule Disk".
    In the Name field, enter a name for the volume that is less than 27 characters long.
    Click Update.
    After Time Capsule restarts, on the Mac(s)using Time Machine, open Time Machine preferences and reselect the Time Capsule volume.”
    Let us know if any of these suggestions help.
    Cheers!
    Message was edited by: Glenn Carter

  • Error Dialogue: "Time Machine Backup Disk Can't be Found"

    Hello -
    I am trying to "Enter Time Machine" (which is on a Time Capsule); but when I try this, I am met by the error message "Your Time Machine Backup Disk Can't be Found" with the option given to "Set up My Time Machine".
    Needless to say, my Time Machine has been set up for months. When I look in the preferences, it clearly shows the disk I'm connected to (here's a screenshot of the error dialogue alongside my Time Machine preferences: http://cl.ly/1HGk).
    Any idea what the best course of action is here.
    ADDITIONAL NOTE: notice from the screenshot that Time Machine thinks the earliest backup is only 1 day prior. This is also strange as I have said I've had Time Machine working on this Time Capsule for months. I called Apple about this and was told that a software update had gone out yesterday that reformatted the drives and started the backups all over again. While completely fishy - I don't remember agreeing to any software update dialogue about erasing my Time Capsule - I took them at their word. Not sure if this is related, but thought I should mention it.
    Thanks Crew!

    MattLat wrote:
    Hello -
    I am trying to "Enter Time Machine" (which is on a Time Capsule); but when I try this, I am met by the error message "Your Time Machine Backup Disk Can't be Found" with the option given to "Set up My Time Machine".
    Needless to say, my Time Machine has been set up for months. When I look in the preferences, it clearly shows the disk I'm connected to (here's a screenshot of the error dialogue alongside my Time Machine preferences: http://cl.ly/1HGk).
    Any idea what the best course of action is here.
    The +sparse bundle+ containing your backups may be corrupted. Repair it, per #A5 in Time Machine - Troubleshooting (or use the link in *User Tips* at the top of the +Time Machine+ forum).
    If that doesn't help, try a "full reset" of Time Machine, per #A4 there.
    ADDITIONAL NOTE: notice from the screenshot that Time Machine thinks the earliest backup is only 1 day prior. This is also strange as I have said I've had Time Machine working on this Time Capsule for months. I called Apple about this and was told that a software update had gone out yesterday that reformatted the drives and started the backups all over again.
    That's the first I've heard of that. They may have been referring to the +Time Capsule Backup Update 1.0+ update several weeks ago, that some folks got but others didn't. If it finds a problem, it sends the message in this article: http://support.apple.com/kb/HT4076 The existing sparse bundle is renamed and locked, and a new one made.

  • The network backup disk could not be accessed because there was a problem with the network username or password.

    Hardware Information:
              MacBook Pro - model: MacBookPro6,2
              1 2.66 GHz Intel Core i7 CPU: 2 cores
              4 GB RAM
    Video Information:
              NVIDIA GeForce GT 330M - VRAM: 512 MB
              Intel HD Graphics - VRAM: 288 MB
    Startup Items:
              HP Trap Monitor - Path: /Library/StartupItems/HP Trap Monitor
    System Software:
              Mac OS X 10.6.8 (10K549) - Uptime: up 0:0:48:37
    Disk Information:
              TOSHIBA MK5055GSXF disk0 : (465.76 GB)
                        (null) (disk0s1) <not mounted>: 200 MB
      MacBook Pro HD (disk0s2) /: 465.44 GB (440.47 GB free)
              MATSHITADVD-R   UJ-898 
    Have tried…
    re-setting Time Capsule (soft and hard) and power disconnect
    re-setting modem
    changing passwords in all relative locations
    deleteing file://localhost/Library/Preferences/com.apple.TimeMachine.plist
    deleteing all mention of Time Capsule in Keychain Access
    running KeyChain First Aid (no problem found)
    Restarting computer
    Time Capsule has a green light, other MacBook Pro backs up OK but this machine continues to receive above error message and will not Enter Time Machine producing the error message Your Time Machine backup disk can’t be found. Maybe I need to do something over or in a particular order? All help is appreciated!

    With the TC plugged by ethernet into the computer.. still in full isolation to the network and with factory reset.. you can do another to be sure.
    Please open the network preferences.. and check the IP the ethernet is getting from the TC.
    It should be 10.0.1.2
    I set it to this manually
    Don't worry about all the rest.
    If you open airport utility can it see the TC?
    YES
    If not then I think you have a major network issue on the computer.
    Assuming you can see the TC in airport utility.. go to manual setup and the disk tab. Does the disk register any issues.. SMART should show it has verified.
    Shows verified
    Now go to finder..
    Mount the drive manually via the top menu.. Go.. Connect to server.
    And type in the address.. SMB://10.0.1.1
    Did NOT work, however 10.0.1.2 did
    That should discover the drive and ask you for credentials which after a factory reset will just be public as the password. The drive should mount and you can then see it in finder.
    Yes, but I have been able to do this with the IP address being set automatically
    I would deliberately use SMB. The other alternative is AFP://10.0.1.1 but that seems to be more problematic at times..
    Once mounted point TM to the drive and see if it can find it and start the backup.. if it fails I think you have need to use the A5 in pondini's troubleshooting and see what you can do.
    It failed and A5 makes NO difference.
    A drive that won't mount is obviously not going to work.
    Pondini is welcome to make comments... sometimes my Mac terminology gets a bit loose.. !! My recent convert status is visible .. !!
    My other solutions.. since these are fairly old products.. the TC is more than 3years in all likelihood so outside warranty.. get a USB drive and plug it into the Mac and use TM to backup to that. If that works.. I would erase the hard disk in the TC and start over with both computers.. you will need to backup the other computer before you erase of course. Erasing and starting over does seem to help.
    If there are no other suggestions, I guess I will try erasing and starting over. Thank you both for ALL your advice.

  • Backups failing with error 19: the backup disk could not be resolved, or there was a problem mounting it

    Hello all,
    Doubt this issue relates to a recent and ugly issue but sharing anyways (resolved thanks to a user here: LaPastenague)
    Time Capsule won't backup if Modem (Motorola SB6121) attached
    This was on Feb 10th resolved. Few days later I upgraded to Yosemite.  Backups were working fine since.  
    Yesterday I happen to notice my last backup was 5 days ago.  I looked in the console logs and saw:
    2/25/15 3:55:06.127 PM com.apple.backupd[2777]: Attempting to mount network destination URL: afp://Paul;AUTH=SRP@Time%20Capsule._afpovertcp._tcp.local./Data
    2/25/15 3:55:17.778 PM com.apple.backupd[2777]: NAConnectToServerSync failed with error: 2 (No such file or directory) for url: afp://Paul;AUTH=SRP@Time%20Capsule._afpovertcp._tcp.local./Data
    2/25/15 3:55:17.792 PM com.apple.backupd[2777]: Backup failed with error 19: The backup disk could not be resolved, or there was a problem mounting it.
    2/25/15 3:57:18.808 PM com.apple.prefs.backup.remoteservice[2021]: Attempt to use XPC with a MachService that has HideUntilCheckIn set. This will result in unpredictable behavior: com.apple.backupd.status.xpc
    I called Apple.  Their front line was clueless. He suggested resetting the TC (latest "tower" model btw") which then a backup kicked off YEAH
    But the next hour it failed
    Called Apple again, this time to Sr Advisor.  He suggested factory reset of the TC and set up again.  Also first backup worked then rest failed
    Third call to Apple useless also.  He was asking questions I didn't feel relevant.  He also was asking me to reset the TC which I told him was done 2 hours prior. He asked me to reboot which I could NOT at that time.
    I begged him to collect data to submit to engineering, which will take days to get a reply.
    So I thought I would throw this out to the community....
    TC Is NEW (replaced from last issue).  Mac is 8 months old (iMac 27"), Os is Yosemite,  TC also new (latest model)
    Thanks...

    Yosemite is problematic on two fronts.. Networking and Time Machine.. so the combo of doing both with a Time Capsule is like bugs on bugs.
    Here is my standard list.. but your problem maybe difficult to resolve.. and my suggestion is simple.. until Apple get their act together and fix TM.. buy Carbon Copy Cloner and use that for your backup. It is solid and reliable.. even better if you use USB drive plugged into the computer and do a bootable clone.. because then you have a backup that is able to be tested for full functionality 2min after the end of the backup.
    This also starts from a factory reset.. but the reason for it is to change the configuration which is much more easily handled with factory reset to begin.. the instructions are there.. because this is my standard reply.. this is not uncommon!!
    Factory reset universal
    Power off the TC.. ie pull the power cord or power off at the wall.. wait 10sec.. hold in the reset button.. be gentle.. power on again still holding in reset.. and keep holding it in for another 10sec. You may need some help as it is hard to both hold in reset and apply power. It will show success by rapidly blinking the front led. Release the reset.. and wait a couple of min for the TC to reset and come back with factory settings. If the front LED doesn’t blink rapidly you missed it and simply try again. The reset is fairly fragile in these.. press it so you feel it just click and no more.. I have seen people bend the lever or even break it. I use a toothpick as tool.
    N.B. None of your files on the hard disk of the TC are deleted.. this simply clears out the router settings of the TC.
    Setup the TC again.
    ie Start from a factory reset. No files are lost on the hard disk doing this.
    Then redo the setup from the computer with Yosemite.
    1. Use very short names.. NOT APPLE RECOMMENDED names. No spaces and pure alphanumerics.
    eg TCgen5 and TCwifi for basestation and wireless respectively.
    Even better if the issue is more wireless use TC24ghz and TC5ghz with fixed channels as this also seems to help stop the nonsense. But this can be tried in the second round.
    2. Use all passwords that also comply but can be a bit longer. ie 8-20 characters mixed case and numbers.. no non-alphanumerics.
    3. Ensure the TC always takes the same IP address.. you will need to do this on the main router using dhcp reservation.. or a bit more complex setup using static IP in the TC. But this is important.. having IP drift all over the place when Yosemite cannot remember its own name for 5 min after a reboot makes for poor networking. If the TC is main router it will not be an issue.
    4. Check your share name on the computer is not changing.. make sure it also complies with the above.. short no spaces and pure alphanumeric.. but this change will mess up your TM backup.. so be prepared to do a new full backup. Sorry.. keep this one for second round if you want to avoid a new backup.
    5. Mount the TC disk in the computer manually.
    In Finder, Go, Connect to server from the top menu,
    Type in SMB://192.168.0.254 (or whatever the TC ip is which you have now made static. As a router by default it is 10.0.1.1 and I encourage people to stick with that unless you know what you are doing).
    You can use name.. SMB://TCgen5.local where you replace TCgen5 with your TC name.. local is the default domain of the TC and doesn't change.
    However names are not so easy as IP address.. nor as reliable. At least not in Yosemite they aren't. The domain can also be an issue if you are not plugged or wireless directly to the TC.
    6. Make sure IPv6 is set to link-local only in the computer. For example wireless open the network preferences, wireless and advanced / TCP/IP.. and fix the IPv6. to link-local only.
    There is a lot more jiggery pokery you can try but the above is a good start.. if you find it still unreliable.. don't be surprised.
    You might need to do some more work on the Mac itself. eg Reset the PRAM.. has helped some people. Clean install of the OS is also helpful if you upgrade installed.
    Tell us how you go.
    Someone posted a solution.. See this thread.
    Macbook can't find Time Capsule anymore
    Start from the bottom and work up.. What I list here is good network practice changes but I have avoided Yosemites bug heaven.
    This user has had success and a few others as well.
    RáNdÓm GéÉzÁ
    Yosemite has serious DNS bug in the networking application.. here is the lets say more arcane method of fixing it by doing a network transplant from mavericks.
    http://arstechnica.com/apple/2015/01/why-dns-in-os-x-10-10-is-broken-and-what-yo u-can-do-to-fix-it/

  • ERROR 18 :  "The backup volume could not be found."

    My time machine has been relatively smooth sailing...until today. After accidentally cutting power to backup drive, I power it back up, shows on desktop, shows in Time Machine...but every backup attempt fails with "The backup volume could not be found. error: 18".
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    1/16/08 5:13:10 PM fseventsd[44] log dir: /Volumes/BACKUP 1/.fseventsd getting new uuid: 09DD4896-F974-43F3-ACE4-3E622ED85B0D
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    1/16/08 5:13:10 PM /System/Library/CoreServices/backupd[5943] Starting standard backup
    1/16/08 5:13:11 PM /System/Library/CoreServices/backupd[5943] Volume at path /Volumes/BACKUP 1 does not appear to be the correct backup volume for this computer.
    1/16/08 5:13:11 PM /System/Library/CoreServices/backupd[5943] Backup failed with error: 18
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    1/16/08 5:15:53 PM /System/Library/CoreServices/backupd[6134] Starting standard backup
    1/16/08 5:15:53 PM /System/Library/CoreServices/backupd[6134] Volume at path /Volumes/BACKUP 1 does not appear to be the correct backup volume for this computer.
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    Type : Volume
    Disk Identifier : disk1s3
    Mount Point : /Volumes/BACKUP 1
    File System : Mac OS Extended (Journaled)
    Connection Bus : FireWire
    Device Tree : /PCI0/PCIB@1E/FRWR@3/node@d04b7a1902c345/sbp-2@c000/@0:3
    Writable : Yes
    Universal Unique Identifier : 88A2942E-7431-3CA4-9600-91B7B06C88BD
    Capacity : 931.4 GB (1,000,081,408,000 Bytes)
    Free Space : 720.2 GB (773,297,737,728 Bytes)
    Used : 211.2 GB (226,783,670,272 Bytes)
    Number of Files : 972,778
    Number of Folders : 224,223
    Owners Enabled : Yes
    Can Turn Owners Off : Yes
    Can Repair Permissions : No
    Can Be Verified : Yes
    Can Be Repaired : Yes
    Can Be Formatted : Yes
    Bootable : Yes
    Supports Journaling : Yes
    Journaled : Yes
    Disk Number : 1
    Partition Number : 3
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