I thought I was being smart in using simon2 for the dummy account so there would be no conflict when Migration Assistant later on would migrate the simon account from the old system to what was going to be the new permanent simon account on the new system.
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In theory that all made sense. The oversight was that I was considering user names and paths, but I forgot to think in terms of UIDs. So that's what my dummy account got and once I was finished with the migration and deleted that dummy, I had essentially gotten rid of UID When I migrated the old account UID on the old system , it was migrated just fine to the new system, but in the process it became UID So now whenever I attach external storage I used to use with the old system I have lots of those disks my new simon user does not have access since the items are owned by UID and the new user simon is UID Now of course I could change permissions everywhere or even change the UID, but after the entire ordeal I didn't feel like opening that can of worms.
And secondly, dummy accounts might not be as simple a tool as you'd think. Wow, that's quite a harrowing story! I've never encountered a situation where I was migrating from a newer version of the operating system to an older one, but I can certainly see how that would cause problems.
I don't know exactly what's going on with your UID issue. That would require some research and experimentation. In any case, I appreciate the cautionary tale! I still wonder why Apple would let people download a newer OS X version from the App Store than they allow you to download in recovery mode.
How to Import Files from Another Mac to Your MacBook
Or why you could have downloaded an incremental OS X update and installed it, but not at the same time be able to download that version of OS X from the App Store. The irony is that I usually never rush these updates. Had I been as cautious there as I usually am, I would have saved myself a lot of grief. I guess a refresher lesson was called for. I did have these UID issues too.
How To Perform a Manual Mac System Migration [MacRx] | Cult of Mac
But now I prepare every new Mac with a dedicated admin account, only to migrate my main accounts later. I do the same - the initial account I create at 1st start-up is named admin, and it gets assigned uid by default. Our household has several Macs with several users me, wife, kids.
Over the years, in order to minimize sharing and access problems, I've found it best to ensure each user has the same uid on all the machines, and on our shared file server. Me, Wife, Kid, Kid I'm not sure this is necessary to eliminate access issues, but it sure seems to help. Joe - this might be a good topic for a chapter or a sidebar in the next version of your TC Migration book. Sometimes it uses the next available unassigned UID on the destination Mac; sometimes it seems to pick one at random.
What I was hoping for was an explanation on how to migrate from a 1gb Mac to a new Mac with a much smaller or gb flash disk. Do I have to upload excess files to the Apple iCloud? And what happens when I don't have wifi access? Thanks for any explanation on this. One approach is to offload a bunch of stuff to an external hard drive, and then transfer everything except that stuff. And yes, whatever data is stored only in the cloud will be unavailable when you don't have Wi-Fi access.
No way around that unless you use an external drive for storage. The only real advice I can offer is to start with the low-hanging fruit—stuff like media purchased from the iTunes Store which you don't have to transfer to the new Mac because you can download it as needed and pictures use iCloud Photo Library and then don't transfer your Pictures folder.
But at a certain point, if you have a huge amount of stuff on the old Mac that won't fit on the new Mac, there's no magic way to avoid problems. Sorry, I wish I had better advice, but it's something that's going to vary dramatically from one person to the next. Thank you Joe for the reply and all your great books. But Dropbox is not the same as iCloud as files are both in your Mac and online.
I will probably have to buy a new Mac in the coming weeks and all this Optimize Mac Storage is very confusing. I have never used or ever had a cable for the firewire port. I'd rather not use wifi. You can't use USB 2 for migration, I'm afraid. Messy, I know. Assuming you have no other resources and excluding WiFi, the cheapest option is probably an Ethernet dongle for the new MBP. You're more likely to find that useful than a FireWire adapter especially since you never used FireWire on your old Mac.
Can I back up one computer and use the clone to restore another computer?
Assuming you're getting one of the just announced MBPs with only Thunderbolt 3 ports, you're bound to need some kind of adapter with a USB Type A port anyway so buying one to connect the existing external drive would not be a waste. Since I already use Time Machine, can I use it directly or do I need to make sure certain settings are in place, back up, and then use it?
Your existing Time Machine setup for your old Mac should be all you need to restore your data to your new Mac, so long as you can physically connect the Time Machine drive to the new Mac. The easiest quickest way is clearly using a bootable clone. In the past I have used Set-Up assistant since So I have not done a clean install since buying a Macbook in Does this mean, that I am building up miscellaneous clutter which possibly takes away performance?
Also will I carry forward any file corruption that has build up over the years etc? This will take a long time, but are the long term benefits worth it? Is there a Take Control book that I should read to guide me through the various options? Your Mac certainly can accumulate clutter over time. If you feel as though it's impacting your performance, check out my book Speeding Up Your Mac.
I also talk about decluttering quite a bit in Maintaining Your Mac. Personally, I would avoid a new-from-scratch setup unless so many things had gone wrong that I had no other choice. My current machine is running El Cap In the meantime, I'll review the older TC books to clean up my current machine Joe this is an excellent article but i would like to add my personal situation which is completely leaving with another option: Frankenstein.
I have a MBA and the first time I bought it I used setup migration from my previous mac and was very proud appraising apple for this perfect situation. Upgraded ever since land lately I did a Sierra installation So far so good until disaster stroke in the form of The boot failed to finish. Despite my best efforts I could not find ANY way to upgrade. I did clean install in an external diskk upgraded that but trying ANY option to migrate broke the perfectly clean system, even just transferring only user files! Having to work my regular work I had to decide.
Setting Up a New Mac: Should You Migrate or Do a Clean Installation?
I could live with the sierra without update that worked perfectly. Then one night leaving the machine home unattended, auto update, boom! Thus Frank works. I'm glad you got your Mac working!
Using Migration Assistant to transfer files from one Mac to another
I haven't heard of any other similar stories, and I don't know what might have caused the problem, but backups FTW! Thank you very much for this article that clarifies how to migrate data from one mac to another, and clarifies the difference between Migration Assistant and Setup Assistant. I would like to ask for an advise.
I have an iMac 24" early constantly upgraded to Amy iMac is not eligible for Sierra. I am having many issues since the upgrade to El Capitan and I would like to go back to Yosemite. Considering I still have a clone of my hard disk with Yosemite, but having more than one year old personal data, what would be your solution to migrate from El Capitan back to Yosemite? Short answer: I'm not sure. It may or may not work. You could try making a new clone, booting from that clone, erasing your iMac's drive, installing Yosemite, and then using Setup Assistant, but I honestly don't know if that will work.
If it doesn't, you can re-clone your backup drive and get back to where you started. But then I'm not sure what the next-best migration path would be—it could just involve restoring your Yosemite clone and then doing lots and lots of tedious manual copying. Sorry, wish I had better advice for you. I just haven't encountered that situation before. Share Facebook Twitter Reddit.
Email Address. Joe Kissell. Excellent summary, Joe. Lots of mysteries still there to me too. As of OS X Lion and later, it can also migrate contacts, calendars, and email accounts and other files from Microsoft Windows. It may be used multiple times to copy only applications, user account s , or settings.
Its primary purpose is to duplicate the contents and configuration of an existing computer user account s on a new one. The Migration Assistant does not transfer the operating system of the old computer to the new one. Similarly, applications and utilities bundled by Apple with the operating system e. Safari are not transferred, based on the assumption that the newer machine has the same or newer version already installed.
However, settings for these applications e. From Wikipedia, the free encyclopedia. This article needs additional citations for verification.
- How to Migrate Your Files and Apps From One Mac to Another!
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- Using Migration Assistant to transfer files from one Mac to another;
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