From Newsgroup: comp.sys.mac.system

In message <rokop9$5ll$1@dont-email.me> TDH1978 <thedeerhunter1978@movie.uni> wrote:

On 2020-11-13 01:17:56 +0000, Your Name said:

1. If you are going to use Migration Assistant, do so during the
initial set-up when you first turn on the new Mac. Don't do
it aftwards with separate Migration Assistant app because
that way can cause some extra issues with things like
User ID clashes.

Does that mean I should attach the USB drive to the new MacBook Air
BEFORE powering it on the first time? Or will the Migration Assistant
ask me to attach the USB drive DURING the initial set-up?

Either works.

You can even boot off your Time Machine drive if you were running a
current version of the OS that is compatible with the new machine
(unlikely with a 2010 though). I did this when I setup my mac mini,
connected the TM drive, booted off of it and simply did a restore from
my previous (dead) system.

At some point it will ask if you want to migrate and will start looking
for devices to migrate from. If you do not have a FW -> Thunderbolt or
Ethernet on the new machine, attaching the drive is the best option.


--
Like the moment when the brakes lock/And you slide towards the big
truck/You stretch the frozen moments with your fear
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From Newsgroup: comp.sys.mac.system

On 2020-11-12, TDH1978 <thedeerhunter1978@movie.uni> wrote:

I have a 2010 17" MacBook Pro running macOS High Sierra. I use Apple
Mail (pointing to a Gmail IMAP server) for all my emails, Apple Photos
for all my pictures and videos, and iTunes for all my music. Attached
to the 2010 MacBook Pro is a 1TB LaCie Porsche Design USB drive which
holds all my TimeMachine backups (done incrementally every hour).

I will soon upgrade to the new 2020 13" MacBook Air with the M1
processor and running Big Sur, and I would like to transfer all my
software and data to the new MacBook Air. I understand that I will not
be able to migrate all the third-party software applications (such as LibreOffice) for now, but my priorities are emails, pictures/videos,
music, and documents.

* Can I transfer everything via Wi-Fi from the 2010 MacBook Pro to
the 2020 MacBook Air using the Migration Assistant, without involving
the USB drive?
* Or do I need to connect the two machines via a cable, like an
Ethernet cable?
* Or do I need to attach the USB drive to the new 2020 MacBook Air
and use TimeMachine Restore?
* Is there any chance of data loss/corruption during the migration process?
* After the migration, will the iTunes library on the new 2020
MacBook Air become the "primary" library? The old 2010 MacBook Pro
will be decommissioned after the migration.

In all my years of using a Mac, I have never used the Migration
Assistant, so any help would be appreciated.

Connecting the Time Machine backup drive to the new machine will be the
most reliable way. WiFi would be horribly slow and potentially
error-prone method - avoid that.

Just follow Apple's instructions, and you won't go wrong:

<https://support.apple.com/HT204350>

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JR
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