Why doesn't Migration Assistant recognize my backup disk after rolling back to Mountain Lion from Mavericks?

I rolled back my OS from Mavericks to Mountain Lion and now the Migration Assistant isn't finding my Time Machine backups.  Any idea why this is?

One reason may be a different computer name.  Check System Preferences > Sharing and make sure your computer name has been the same through all your various OS X iterations.

Similar Messages

  • Why doesn't setup assistant see my backups?

    So after a couple of days trying, I decide to just ask you guys myself, so here's the problem:
    I bought a new 1TB hard drive to install in my MacBook pro 13" mid 2009, running on Moutain Lion. After succesfully replacing I decide to use a time machine backup to install this hard drive as my new startup disk. The problem is that setup assistant couldn't find my latest backup (should be that from 02-09-2013), the newest one he found was one dating april 2013. I tried to erase the disk that I use as my Time Machine, so it was completely empty, and then start a new backup, so I was sure that the backup was complete since the time machine is a 1TB WD external USB hard drive and 1 backup was 125GB. Now it couldn't find any backups at all, while I was sure there were new backups on the disk (I could see them in Finder). So then I tried to use a different external Hard Drive as my time capsule (300GB Maxtor USB), erase the disk first and then start a backup (which it completed without any problems), nothing helped.
    I also tried to install my new HDD with a new copy of OSX, then use Migration Assistant. In Migration Assistant it just keeps looking for other computers endlessly.
    So basically: setup assistant does find my external hard drives, but can't find the backups that are on it and migration assistant keeps searching for other computers. Does anybody know what the problem is and, more important even, how to fix it?

    In the sidebar of a Finder window, select the icon representing your startup volume ("Macintosh HD," unless you gave it a different name.) At the top level of the volume are folders with these names, among others:
    Applications
    Library
    System
    Enter Time Machine and select the most recent snapshot, which is behind the frontmost window. Are those folders present in the snapshot? If not, proceed as below.
    This simple procedure will clear your Time Machine settings, including exclusions. The backups won't be affected. If you have a long exclusion list that can't be recreated easily, you may prefer a more complicated procedure that preserves the exclusion list. In that case, ask for instructions. Otherwise, do as follows.
    Triple-click anywhere in the line below on this page to select it:
    /Library/Preferences/com.apple.TimeMachine.plist  
    Right-click or control-click the highlighted line and select
    Services ▹ Reveal
    from the contextual menu. A Finder window should open with a file selected. Copy the file to the Desktop. Then move it (the original, not the copy) to the Trash. You'll be prompted for your administrator password. Reboot and recreate your settings in the Time Machine preference pane. It will show that you have no backups. Don't worry; that's expected. Run a backup to test. The backup may take much longer than usual. If TM now performs as expected, delete the file you copied to the Desktop.

  • HT201250 How to migrate backup disk to new computer using mountain lion?

    The page says it provides information about how to migrate a backup disk to a new mac, but it's not there.  Does anyone know how to do this in Mountain Lion?  When I simply chose the old disk on the new computer, it created an entirely new backup folder and was going to back up everything, not just add to the existing backups.  The computer name, login name, and login password are not changed.  It's just a new machine . Both old and new machines are mid-2011 iMacs.  Thanks!

    If it's a new machine, then Time Machine will make a new backup. This is how Time Machine works. A new computer always results in a new backup.
    But your question seems to ask about how to use Migration Assistant to transfer your Time Machine backup to the new machine. Am I misunderstanding your question?
    In any event: Please visit Pondini's Time Machine FAQ for help with all things Time Machine.

  • Why am I getting a white screen after downloading to OSX Mountain lion from OSX Snow Leopard. What caused this?

    I just upgraded to OSX Mountain Lion from OSX Snow Leopard, thinking this was the thing to do.  I have NEVER had any problems with Snow Leopard, but
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    burtontexjap wrote:
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    burtontexjap wrote:Recently my computer's iTunes doesn't recognize any artists, even the ones I've uploaded before.
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    Why doesn't my iPad recognize an update to iOS 7?  When I try to update, it says, "iOS 5.1.1   Your software is up to date."

    Because you have a 1st generation iPad and iOS 5.1.1 is the last update for it.
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    iOS 7 requires at least an iPad 2

  • Migration assistant now seeing my User file only back ups on my time machine, nor am I able to drag the entire user folder to my new desktop.

    I cannot recover my system on a clean install when I try to either use migration assistant or drag and drop of my backed up user profile. I did not back up anything else. I can see the file on my external drive but migration assitant does not see it as a restore and when I drag and drop the file to my desktop, the system informs me I do not have permissions to transfer all of the files.
    What can I do?
    Any help would be very much appreciated.
    Thanks,
    Persol

    persol19 wrote:
    Yes, there were no system files included. Soley the items that are incopassed within the user file.
    Rats.  It's awful that Apple doesn't warn folks about that. 
    Since I am not able to use them as backups, what is the best way to restore all of my previous preferences, calenders, notes, adressbook, etc.?
    Would it be best to replace each file in the library of the new machine with the coresponding folders of the new machine?
    That's going to be difficult, but is about your only option (assuming you have no other backups).
    Part of the hassle is, you have to do it "piecemeal" -- you can't just delete the old home folder, or any of the "default" sub-folders (Desktop, Documents, etc.), and drag in the one from your backups -- you'll get a message about it being a required folder, so you can't delete it.
    So you'll have to do it with the contents of the sub-folders.
    Make a large pot of coffee. 
    For future reference, many long-time users consider a good backup plan to start with a minimum of two full backups, via two different apps, on two different pieces of hardware.  These should be updated regularly. 
    For "primary" backups, Time Machine (built in to OSX) is quite good.  You might want to review the Time Machine Tutorial, and perhaps browse Time Machine - Frequently Asked Questions.
    #27 in the FAQ link has some suggestions for "secondary" backups.

  • Migration Assistant created multiple users.  After receiving my new MacBook Pro and seeing that Migration Assistant would take 40  hrs to transfer my data from my PC, I decided to do it incrementally - now my info is under 3 different users.  Ideas?

    First time Mac User.  Just got my MacBook Pro 2 days ago.  Uppon setup, I founf that Migration Assistant would take more than 40 hours to transfer my data from my PC.  Thinking that I was taking a smart approach, I decided to break the transfer into smaller parts performing them when the PC was not needed.  What I've ended up doing was migrating my data into 3 diferent user's on the Mac.  So now I have an extensive iTunes library and contacts under one user, all of "my documents" under another user, and all of my pictures under a 3rd user.  Anyone know how to get all my data over to one user and then get rid of the other user names?

    Erase the drive, reinstall Mountain Lion, migrate using Setup Assistant.
    Install or Reinstall Lion/Mountain Lion from Scratch
    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
    Boot to the Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
    Erase the hard drive:
      1. Select Disk Utility from the main menu and click on the Continue button.
      2. After DU loads select your startup volume (usually Macintosh HD) from the
          left side list. Click on the Erase tab in the DU main window.
      3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
            the Security button and set the Zero Data option to one-pass. Click on
          the Erase button and wait until the process has completed.
      4. Quit DU and return to the main menu.
    Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible
                because it is three times faster than wireless.
    To restore wait until the installation is completed and the computer restarts. You should restart to the Setup Assistant where you'll be given an opportunity to restore directly from your Time Machine backup. Be patient since the restore will take so long. If your backup drive can run on FireWire instead of USB then use FireWire instead. It will cut that time down substantially.

  • Why doesn't my lightning to 30 pin adapter support any of my audio my from ipod touch 5th generation

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    why is my app store sign in saying connection failed?
    Also if you're running any anti-virus SW, you might try temporarily disabling it

  • Why is Time machine saying backup disk disconnected? Using MBP 17" Lion 10.7

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    Do you have an external drive connected?
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    Also most external drives have a built in sleep function that if they aren't being accessed for a period of time they go to sleep by themselves.

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    The optical drive in your MacBook may have gone bad. Can it read other DVDs?

  • IMac CPU3.06 GHz Intel Core 2 Duo, 8GB, Extremely slow and repeatedly "out of Memory" since migration from Mountain Lion to Mavericks

    Dear Apple Support Community.
    As mentioned by a number of users reporting the same problem, my 2009 iMac CPU3.06 GHz Intel Core 2 Duo, 8GB RAM, has become extremely slow and repeatedly "out of Memory" since it was migrated from Mountain Lion to Mavericks (OS 10.9 then OS 10.9.1).
    I have already run CleanMyMac, deleted 5GB of useless stuffs, which did not translate into any improvement. Following the advices collected in other Apple Support Community threads, I have applied EtreCheck the outcome of which is provided below.
    For information, I have also upgraded my 2011 MacBook CPU2.3 GHz Core i7, 8GB which became only a bit slower than before, sometimes freezing which it almost never did before. However, I am used to the fact that Mac get usually slower and more prompt fo freeze after upgrading to a more recent OS.
    Both my 2009 iMac and my 2011 MacBook have F-Secure installed. So the problem with the 2009 IMac is unlikly to be due to the presence of F-Secure. Interestingly, the few abnormalities found by Etrecheck were exacly identical before I ran CleanMyMac. There are two more findings (mentioned below) since I ran CleanMyMac on the 2009 iMac, which again didn't improve the problem.
    So please find below the details of the EtreCheck experience and some additional measurements made with iStat while running EtreCheck:
    Hardware Information:
    iMac (24-inch, Early 2009)
    iMac - model: iMac9,1
    1 3.06 GHz Intel Core 2 Duo CPU: 2 cores
    8 GB RAM
    Video Information:
    ATI Radeon HD 4850 - VRAM: 512 MB
    Audio Plug-ins:
    BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
    AirPlay: Version: 1.9 - SDK 10.9
    AppleAVBAudio: Version: 2.0.0 - SDK 10.9
    iSightAudio: Version: 7.7.3 - SDK 10.9
    System Software:
    OS X 10.9.1 (13B42) - Uptime: 0 days 2:40:57
    Disk Information:
    WDC WD1001FALS-40K1B0 disk0 : (1 TB)
    EFI (disk0s1) <not mounted>: 209.7 MB
    XooS5 HD (disk0s2) /: 999.35 GB (189.85 GB free)
    Recovery HD (disk0s3) <not mounted>: 650 MB
    OPTIARC DVD RW AD-5670S 
    USB Information:
    Apple Inc. Built-in iSight
    Canon CanoScan
    Apple Computer, Inc. IR Receiver
    Apple Inc. BRCM2046 Hub
    Apple Inc. Bluetooth USB Host Controller
    FireWire Information:
    WD My Passport 071D 800mbit - 800mbit max
    EFI (disk1s1) <not mounted>: 209.7 MB
    disk1s2 (disk1s2) <not mounted>: 2 TB
    Boot OS X (disk1s3) <not mounted>: 134.2 MB
    Thunderbolt Information:
    Kernel Extensions:
    com.f-secure.kext.fsauth          (1.0.0d1)
    Problem System Launch Daemons:
    [failed] com.apple.wdhelper.plist [REMARK: this abnormality appeared only after running CleanMyMac. It does not appear on my 2011 MacBook]
    Problem System Launch Agents:
    Launch Daemons:
    [loaded] com.adobe.fpsaud.plist
    [invalid] com.bjango.istatlocaldaemon.plist [REMARK: this abnormality pre-existed to running CleanMyMac. It appears also on my 2011 MacBook]
    [loaded] com.f-secure.fsavd.dbhelper.plist
    [loaded] com.f-secure.fsavd.plist
    [loaded] com.f-secure.fsmac.firewall.plist
    [loaded] com.f-secure.fsmac.fsupdated_guts2.plist
    [loaded] com.f-secure.fsmac.licensetool.plist
    [loaded] com.macpaw.CleanMyMac2.Agent.plist
    Launch Agents:
    [loaded] com.babylon.activation.plist
    [loaded] com.bjango.istatlocal.plist
    [loaded] com.f-secure.relauncher.plist
    [loaded] com.f-secure.trasher.plist
    User Launch Agents:
    [loaded] com.adobe.ARM.[...].plist
    [loaded] com.google.keystone.agent.plist
    [loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist
    [loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist
    [loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist
    User Login Items:
    iTunesHelper
    Dropbox
    F-Secure Anti-Virus for MAC
    3rd Party Preference Panes:
    Flash Player
    Internet Plug-ins::
    FlashPlayer-10.6: Version: 11.9.900.170 - SDK 10.6
    Default Browser: Version: 537 - SDK 10.9
    AdobePDFViewerNPAPI: Version: 11.0.04 - SDK 10.6
    AdobePDFViewer: Version: 11.0.04 - SDK 10.6
    DivXBrowserPlugin: Version: 2.1
    Flash Player: Version: 11.9.900.170 - SDK 10.6
    OfficeLiveBrowserPlugin: Version: 12.2.8
    Google Earth Web Plug-in: Version: 6.1
    QuickTime Plugin: Version: 7.7.3
    iPhotoPhotocast: Version: 7.0
    User Internet Plug-ins::
    Picasa: Version: 1.0
    Bad Fonts:
    None
    Old applications:
    None
    Time Machine:
    Skip System Files: NO
    Mobile backups: OFF
    Auto backup: YES
    Volumes being backed up:
    XooS5 HD: Disk size: 930.71 GB Disk used: 753.90 GB
    Destinations:
    XooS5 TM [Local] (Last used)
    Total size: 2 
    Total number of backups: 32
    Oldest backup: 2013-09-15 01:11:39 +0000
    Last backup: 2013-12-07 12:48:45 +0000
    Size of backup disk: Too small. Backup size 2  < (Disk used 753.90 GB X 3)
    Time Machine details may not be accurate. All volumes being backed up may not be listed.
    REMARK: The above finding is unlikely to be accurate. In fact, my Time Machine is supported by a 2TB WD My Passport Studio external HD connected with a Firewire 800. As mentionned, only 754GB of the 2000GB are used.
    Top Processes by CPU:
    5%          backupd
    5%          Mail
    5%          WindowServer
    3%          Finder
    3%          Dropbox
    Top Processes by Memory:
    1.60 GB          mds_stores REMARK: this item was marked in red in the outcome of EtreCheck, so I assume there is something wrong there
    82 MB          Finder
    74 MB          Mail
    49 MB          softwareupdated
    49 MB          Dropbox
    Virtual Memory Statistics:
    97 MB          Free RAM
    1.21 GB          Active RAM
    1.19 GB          Inactive RAM
    1.21 GB          Wired RAM
    1.83 GB          Page-ins
    36 MB          Page-outs
    Please find now some additional measurements collected with iStat while running EtreCheck:
    Practically:
    The iMac can work slowly with only one software e.g. either Mail or Safari or Firefox, but still the below "out of Memory" message occurs about every 3 minutes.
    Aperture has becomre to slow to be useable
    If trying to write a mail (with Mail) while Safari or Firefox is open, then the "out of Memory" message occurs about every 20 seconds so I need to check on "Resume" several times per minute.
    Conclusions
    From the above, unless anyone in the Apple Support Community proves to be able to identify a specific problem leading to a way to find a cure, I tend to conclude that Mavericks is not suitable for computers operating with a Core 2 Duo CPU even with a 8GB of RAM.
    Unless I missed something, I did not see any warning from Apple Computer Inc. informing their customers they should refrain from upgrading Core 2 Duo Computers.
    The only solution I see so far is to downgrade from Mavericks to Mountain Lion. And the Apple Support Community would confirm that it is the only solution, I would appreciate to get your guidance on how to proceed.
    Intended action plan
    Migrate the above 2009 iMac to a 2014 Mac Mini Server operating on Mavericks to ensure that no data may be lost while downgrading to Montain Lion.
    Provided the above downgrading operation is successful, assign this 2009 iMac to partial retirement e.g. Mail, Skype, iTunes  and DVD player.
    In advance, I would like to thank the Apple Community for helping me either i) finding a cure to the problem, ii) or confirming that Mavericks cannot operate properly on Core 2 Duo computers, iii) and in such a case, guiding me on how to downgrade to Mountain Lion.
    Yours sincerely
    Core

    ... what anti-virus would you recommend using?
    Use what is already included with OS X. It already includes everything it needs to protect itself from viruses and malware. Keep it that way with software updates from Apple.
    A much better question is "how should I protect my Mac":
    Never install any product that claims to "speed up", "clean up", "optimize", or "accelerate" your Mac. Without exception, they will do the opposite.
    Never install pirated or "cracked" software, software obtained from dubious websites, or other questionable sources. Illegally obtained software is almost certain to contain malware.
    Don’t supply your password in response to a popup window requesting it, unless you know what it is and the reason your credentials are required.
    Don’t open email attachments from email addresses that you do not recognize, or click links contained in an email:
    Most of these are scams that direct you to fraudulent sites that attempt to convince you to disclose personal information.
    Such "phishing" attempts are the 21st century equivalent of a social exploit that has existed since the dawn of civilization. Don’t fall for it.
    Apple will never ask you to reveal personal information in an email. If you receive an unexpected email from Apple saying your account will be closed unless you take immediate action, just ignore it. If your iTunes or App Store account becomes disabled for valid reasons, you will know when you try to buy something or log in to this support site, and are unable to.
    Don’t install browser extensions unless you understand their purpose. Go to the Safari menu > Preferences > Extensions. If you see any extensions that you do not recognize or understand, simply click the Uninstall button and they will be gone.
    Don’t install Java unless you are certain that you need it:
    Java, a non-Apple product, is a potential vector for malware. If you are required to use Java, be mindful of that possibility.
    Disable Java in Safari > Preferences > Security.
    Despite its name JavaScript is unrelated to Java. No malware can infect your Mac through JavaScript. It’s OK to leave it enabled.
    Block browser popups: Safari menu > Preferences > Security > and check "Block popup windows":
    Popup windows are useful and required for some websites, but popups have devolved to become a common means to deliver targeted advertising that you probably do not want.
    Popups themselves cannot infect your Mac, but many contain resource-hungry code that will slow down Internet browsing.
    If you ever see a popup indicating it detected registry errors, that your Mac is infected with some ick, or that you won some prize, it is 100% fraudulent. Ignore it.
    Ignore hyperventilating popular media outlets that thrive by promoting fear and discord with entertainment products arrogantly presented as "news". Learn what real threats actually exist and how to arm yourself against them:
    The most serious threat to your data security is phishing. To date, most of these attempts have been pathetic and are easily recognized, but that is likely to change in the future as criminals become more clever.
    OS X viruses do not exist, but intentionally malicious or poorly written code, created by either nefarious or inept individuals, is nothing new.
    Never install something without first knowing what it is, what it does, how it works, and how to get rid of it when you don’t want it any more.
    If you elect to use "anti-virus" software, familiarize yourself with its limitations and potential to cause adverse effects, and apply the principle immediately preceding this one.
    Most such utilities will only slow down and destabilize your Mac while they look for viruses that do not exist, conveying no benefit whatsoever - other than to make you "feel good" about security, when you should actually be exercising sound judgment, derived from accurate knowledge, based on verifiable facts.
    Do install updates from Apple as they become available. No one knows more about Macs and how to protect them than the company that builds them.
    Summary: Use common sense and caution when you use your Mac, just like you would in any social context. There is no product, utility, or magic talisman that can protect you from all the evils of mankind.

  • While intending to perform a clean install of Mountain Lion while continuing with old apps and files, is it a waste to restore a backup that was made while running Mountain Lion as an UPgrade from Lion?

    While intending to perform a clean install of Mountain Lion while continuing with old apps and files, is it a waste to restore a backup that was made while running Mountain Lion as an UPgrade from Lion?
    Originally I was running Mountain Lion as an UPgrade from Lion. I created a backup in Time Machine, performed a clean install of Mountain Lion, then I proceeded to use Time Machine to restore the back up.
    When thinking about the essence of a back up restore, it occurrs to me that for all I know, I may have just wated my time IF Time Machine also restores all the old unneeded files that remain from Lion after an upgrade.
    Since the backup was made while running Mountain Lion as an upgrade from Lion, did restoring this backup defeat the purpose of a clean install by reinstalling old Lion files?
    If so, how can I re-do the last portion of the process so that I get all my home-folder files and apps back without the full bulk of old Lion files? Migration assistant I'm guessing?
    -Chris

    Hello John!
    Thank you for your response which solved my problem. For other users who may stumble upon this, I'll clear up the confusion and share how I solved the problem with your help; When looking for answers to my computer problems, finding unresolved questions where person B offers a solution and person A never comes back and says "That worked, thank you.", it demonstrates a "k-thnx-bye" user mentality that leaves others with the same problem lost. Without further ado:
    It is not clear what you did because the meaning of "clean install" is vague. You can erase a volume and install an OS which leaves none of its previous content intact,
    This is what I did: I erased the volume leaving no previous content intact, while then installing OS X Mountain Lion.
    or you can upgrade an existing OS (or reinstall the same one) which does not alter your user - installed files.
    An upgrade to Mountain Lion from Lion is what I started with initially before erasing anything. This was undesirable. Since this can cause Macs to run slower (especially whereas I'm using a mid-2011 Mac Mini), my goal was to go from operating within an upgrade to Mountain Lion, to operating within an installation of Montain Lion that was not preceded by any other oprating system.
    Hence a "clean install of Mountain Lion while continuing with old apps and files" is confusing.
    Well put and understood. What I should have said was:
    1.Erase the volume
    2.Install Mountain Lion clean
    3.Confirm that Mountain Lion is functioning properly
    4.Proceed to use either Time Machine or Migration Assistant to Import/Migrate/Copy over only two things; My old apps (That had been stored originally in the designated Applications folder) and all files and folders originally stored in the home folder under users.
    If you restore from a Time Machine backup then all modifications that occurred subsequent to that backup become erased. It renders moot any OS X upgrade performed subsequent to that backup.
    That makes sense and is just as I later suspected.
    If so, how can I re-do the last portion of the process so that I get all my home-folder files and apps back without the full bulk of old Lion files? Migration assistant I'm guessing?
    Yes.
    This is what I did and everything works perfectly. Thank you so much once again!
    -Chris

  • Will upgrading to Mountain Lion from Lion make my Lion Time Machine Backups unusable?

    I had a situation where when I upraded to Lion from Snow Leopard, my Time Machine Backups became unusable. It says that the Backups were not compatible and it was really frustrating because I had to delete my backups from Snow Leopard and re-backup from my Mac with the newly installed Lion.
    Will this happen if I upgrade to Mountain Lion from Lion? Has anyone had trouble from this upgrade to Mountain Lion. Has your Time Machine backups been working fine with the new operating system?
    Thanks!!

    Will upgrading to Mountain Lion erase all my files? And can't I only backup my home folder from Time Machine anyways? As long as I don't use Migration Assistant to restore the System files.
    But yeah, will upgrading to Mountain Lion from Lion erase all my files and accounts?
    Thanks!!

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