Trying to migrate from MBPro Leopard to MBPro Lion

..Migration Assistant is a Liability can't even find the other computer, I'm already dragging the files from (target mode).
So doing it manually.
Problem: There is no Library folder in Users/home/ on the destination (Lion) computer.. There is already programs installed and all... how...?? Where is it..?
Wanted to put there my Safari bookmarks Mail Mailboxes and so on..
Thanks
bafomet

Thanks man, helpful as usual.
Have a problem though.. Since the folder is hidden, and Mail doesn't show my old Mailboxes even if put into the User/Library/Mail, I'm trying to import them from there.. But, obviously, the import window wouldn't show the hidden folder so how to import...?? The trick with option/go doesn't work here...
Safari doesn't see the keychain items, doesn't put the passwords into websides either..
Thanks
bafomet

Similar Messages

Iphoto wont start after migration from snow leopard to mountain lion

Hello everyone hope you can help me, I've migrate from Snow Leopard to Mountain Lion and my IPhoto (8.1.2) won't start, I cant reinstall from app store because it came with the copy of Snow Leopard already instaled on my Imac...And I cant find the original Disc, so anyone can help ? felling desperate...

You should be able to Software Update and that will bring your iPhoto up to date.
iPhoto was 9.2.3 at 10.6.8, so I don't know why yours was stuck at 8.1.2
However you can stick the #2 10.6 disk into your machine and should be able to run the bundled app installer.
If that doesn't work there is Pacifist from CharlesSoft that you can extract iPhoto and replace your corrupted one, then run Software Update to bring it current.
Once you have replaced iPhoto, rebuild the database
https://support.apple.com/kb/HT2638
If your still having problems, perhaps a user account or drive permissions issue
..Step by Step to fix your Mac

Migrating from Snow Leopard to Mountain Lion Server

Hi all. I kinda drop in and out of this forum, mostly when I've got a puzzler that I can't figure out. My journey from Snow Leopard to Mountain Lion was a little slow. I tried to make the transition from Snow Leopard to Lion and failed, but this time I made it and I thought I'd share a little scratchpad post I wrote to document what I did. Mostly this is about adding back a few things that I really need. Here's the list of stuff that I added back:
Firewall management (IceFloor)
MySQL
Webmail, email filtering rules and email aliases (RoundCube)
"Group" emails (short, multi-recipient email exploders)
Mailing lists (Mailman)
I also dramatically improved reliability by adding a lot of memory, and doing nightly-restarts of the machine.
Here's a link to the post
http://www.haven2.com/index.php/archives/migrating-from-snow-leopard-server-to-o sx-server-mountain-lion
I'm happy to report that the new server has been running for a month or so and all seems fine. Whew. A long journey. Thanks to all of you who posted things that helped me along the way. Hopefully this will return the favor.

Moving from Snow Leopard to Mountain Lion means first installing the client (non-Server) version of Mountain Lion and then install Server.app this means that for at least part of the process you will not be running DNS, DHCP or Open Directory.
If you are going to end up using the same DNS name and IP address after the change then an approach you could follow would be as follows.
Destroy any Open Directory replicas
Archive your Open Directory Master (to make a backup)
Note down your DNS records in case they get messed up
Export via Workgroup Manager your users, and groups (you might not need this but better safe than sorry), make sure you do not include the diradmin account
Keep a full back of the server (you should always have backups)
Note down your DHCP server settings in case they get messed up
Note down any other service settings
Install Mountain Lion
Install Server.app
Install Workgroup Manager (extra free download)
Run Server.app
Make sure settings for services are as much as possible the same as before
If your lucky that may be all you need to do, otherwise...
Restore Open Directory archive, if your lucky that will be all you need to do, otherwise...
Make new Open Directory Master
Run Workgroup Manager
Import users and groups you previously exported
You will then have to set passwords for each user as these are not preserved via Workgroup Manager export
When I did this, I was also being forced to change all my IP addresses so I had no choice but to use Workgroup Manager to export and import accounts.

Best way to migrate from Snow Leopard to Mountain Lion (different MacBook)

I'm planning on getting a new MacBook Pro with Mountain Lion, and I'd like to know what would be the best way to restore the files from my current MacBook. It has Snow Leopard installed, and I've been using Time Machine to back it up the last couple years.
I've been doing some research, but I couldn't really get a clear idea on what would be the best method to do that. I heard there are some problems with Time Machine functionality when upgrading from SL to ML. It wouldn't be necessary to copy the whole disk with each system record. But I do need to transfer many of my documents and files (which are backed up by Time Machine/Time Capsule)
Should I use the Migration Assistant? Or is there a setup option to import my files during the first Mountain Lion boot? Or what else would be healthier/recommended?
Thank you all for the attention.

Should I use the Migration Assistant? Or is there a setup option to import my files during the first Mountain Lion boot? Or what else would be healthier/recommended?
I recommend NOT using Migration Assistant. Setup Assistant will produce far better results. When you turn on your new Mac for the first time, you will be asked if you want to transfer data from another Mac. That's Setup Assistant at work. Just follow the on-screen instructions. Answering "no" to Setup Assistant and then trying to use Migration Assistant later is almost always a mistake.

Wiki migrated from Snow Leopard to Mountain Lion missing some links

Hi
I migrated the wiki instance running on my old Snow Leopard Sever to the new Mountain Lion server following the instructions here
http://support.apple.com/kb/HT5082
All looked good, but then I find that some, not all, of the links reference the old server instance and come up wtih 404's.
If I right click on the links that are broken and inspect them the results differ.
the outer html has a reference that looks like this
<a class="cc-route-enabled" target="_blank" href="http://old.server/wiki/pages/G3J0z4r/Clint's_Index.html">Clint's Index</a>
a link that works looks like this
the outer reference is the same but the inner
<a class="cc-route-enabled" href="/wiki/pages/Q4g545J/CMS_Teaching_Infrastructure_2012.html">CMS Teaching Infrastructure 2012</a>
The pages still exist. If you do a find for the link title you can find the page ok.
Is there a way to fix the broken links to remove the absolute paths to the old server?
Cheers
Jacqui

OK I've managed to retrive my folders by doing the following
1/ Open Finder and click on the Go Menu option
2/ Hold down the Alt key so that 'Library' apperas in the list of folders you can go to
3/ Select 'Library' and navigate to the Mail/Mailboxes folder
4/ Expand the tree and find your personal folders somewhere below that node (each personal folder will have its own .mbox extension)
5/ COPY the folders you want to some different location (eg your desktop). You need to do this as you won't be able to access the original location those files are in in the next couple of steps
6/Go to the mail App and choose File->Import Mailboxes...
7/ Select the 'Apple Mail' option from the 'Import From' section and hit continue
8/ Multiple select all the mailboxes you copied to your desktop in step 5/ above
9/ Now all your mailboxes will appear under an 'Import' node in your mail sidebar
10/ Breath a sigh of relief that you have managed to retrieve your precious personal folders!!!
Not sure why Apple is silent on this issues as obviously loads of people are expeiencing itand the fact that they now hide your library folder by default doesn't help one bit!!!
Anyway hope this helps

Data migration from Snow Leopard to Mountain Lion

Hi,
I just recently got my new MacBook Pro. After several unsuccesful attempts to migrate the data on my old MacBook (middle 2010, Snow Leopard), Apple advised me to first install Mountain Lion and all updates and then use the migration assitant to only migrate user data and other files (no program files).
The problem I have now, is that the migration assistant will not recognize my Time Machine hard drive. It only shows my the Macintosh HD.
What can I do, to finally get my data (pictures, documents etc etc) migrated to my new MacBook Pro?
Thanks,
René

Start over. Boot into the Recovery mode, wipe the HD, and reinstall the OS. On first boot, follow the steps in Pondini's Setup New Mac guide.

Migrating from a Leopard HDD to Lion

Well, it happened. My '08 MacBook Pro just couldn't stay alive long enough for the next refresh of the model line and whimpered out in the saddest way: was using it at work, put it to sleep and took it home and when I wanted to check my mail, it never woke up again. AASP sez the logic board is fried and the cost of the part exceeds market value of the thing and also represents a sizable portion of the cost of a new one. So, a minute of silence for the Mac that has gone to joint its creator. And I'll be forced to upgrade the hardware before I expected; like it or not, Lion here I come.
Only valuable remains is the undamaged 200GB HDD securely mounted on an external FW800 enclosure and containing, well, my digital life. The question is: can you successfully carry out a migration into Lion from an external HDD via FW or USB?
Before it died, it had the latest patched version of 10.5.8 and the HDD has Apple firmware on it. Would like to be able to recover all my Thunderbird mail, my iTunes library, my iPhoto collection and the rest of the regular files.
Info, insights, gotchas to beware (and condolences) will be much appreciated.

I Think that you could try this: Install Lion on your new computer. Then the normal way, I think, is to use Migration Assistant but this involves hooking the two machines together, and you say that your old machine's logic board is fried. (Unless you have it repaired.) So I don't think that would work. So, when your new machine is up and running on Lion, connect your Firewire drive to it and see what is on it that you could copy over.
iPhoto's library of photos in Lion is in System Hard Drive > Users > Username > Pictures. You say that your iPhoto collection is on the Firewire drive, so look for it there and copy across to the Pictures folder in Lion. I did that successfully when I got my new Mac.
I don't use iTunes, but my iTunes library is called (on Lion) "iTunes Library xyz" (where "xyz" is a date sequence". So search for that title (without the "xyz) and copy it across as above. However, others could advise where it should be copied to in Lion.) The same applies to other files, but I can't help with Thunderbird.
Another way would be to take out your internal Hard Drive (if that can be done on a MacBook Pro) and put it into a external HD enclosure suitable for that size and type of drive. These are boxes with sockets and leads to enclose a bare drive and make it connectable to a computer. They are quite cheap.I did that successfully with my G5's internal, and I still use it as a backup. It is USB, and gets its power through the USB lead.
Hope this helps. Good luck.

IMac harddrive S.M.A.R.T. errors when trying to upgrade from snow leopard to mountain lion

When I try to install OS X Mountain Lion on my 2010 iMac version 10.6.8 I get a message that says "This disk has S.M.A.R.T. errors. This disk has a hardware problem that can't be repaired." Is there a way to fix this? Is apple just trying to get me to buy a new computer?

The S.M.A.R.T. diagnostics that are built into your hdd are designed to warn of impending hardware failure.
Take a look at this Wikipedia article... http://en.wikipedia.org/wiki/S.M.A.R.T.
You may be able to use Disk Utility to run the Repair Disk routine and get the drive to map out any bad sectors that might be causing some problem. And the drive may perform well again for a while. But once a disk begins to display performance degradation because of a hardware issue, it's only a matter of time before it fails.
I think the best thing for you to do is to back up your data and replace that drive ASAP.
Drives are relatively inexpensive mechanisms and they will all fail sometime. And never at a good time.

I'm trying to migrate from mobileMe to iCloud but I have Snow Leopard (the latest version). It looks like Lion is no longer available because Mountain Lion comes out next month (July). The problem is mobileMe ends on June 30th. How can I migrate?

I'm trying to migrate from mobileMe to iCloud but I have Snow Leopard (the latest version). It looks like Lion is no longer available because Mountain Lion comes out next month (July). The problem is mobileMe ends on June 30th. How can I migrate?
My iphone and my ipad are compatible but when I try to go to icloud on my phone it says to do it on my computer.
I would like to have my calendar, contacts, etc.. all sync like they do now. Is there a way to upgrade before June 30th? If not, will the gap be an issue or will I just be able to buy mountain lion and sync everything?
Any suggestions?
Thank you!

You can buy Lion in the App Store now, but move to iCloud now. If you wait to Mountain Lion, you will only have Mail in Snow Leopard, so you will lose syncing unless you use Lion or Mountain Lion. It's up to you

Trouble migrating from Snow Leopard to Lion

I've been using a MacBookPro5.2 that's running OS 10.6.8. I bought a new MacBookPro, and installed Lion on it. Now I'm trying to migrate my whole electronic life over to the new computer, and I've been having big problems. I think I may have fixed those problems, but I'm not sure if it's really safe to start using the new computer the way it is. Can anyone tell me if I'm doing this correctly? I hope this may help other people having similar problems.
Here's what I've done so far:
1. I ran Software Update on the old mac, to make sure that I had the latest version of 10.6.8. The only account that exists on the old computer is called "administrator." The "short name" for that account was my initials, which we'll say are "abc".
2. I installed Lion on the new computer (it had come with Snow Leopard originally), started up, and created an account called "administrator," with short name "administrator." Of note, the new computer was then running 10.7.0, and I hadn't updated to 10.7.1 before attempting the migration.
3. I connected both computers to my router, and ran Migration Assistant, checking all of the checkboxes, in order to transfer everything (accounts, applications, settings, and other files and folders). Migration Assistant noticed that the name of the only account on the old computer was the same as the name of the only account on the new computer. So I said to rename the account that was being transferred to "admin," with short name "admin."
4. On the old computer, I keep almost all of my documents in directories directly under the root directory, not under /Users/abc. After ten or so hours of migrating, it appeared that pretty much all of those files, including Applications, had all come over to the new computer. There was also a new account on the new computer, called "admin," as it should be. However, the "admin" account wasn't set up properly. I was able to log in as admin, using the old password that I used on my old computer, but admin appeared to have no home directory. So, for example, my desktop picture and all of the stuff on that was supposed to be on my desktop weren't there, and I couldn't access my iTunes library. On the dock, where I should have seen icons for "Documents" and "Downloads," I had only big question marks.
5. I deleted the "admin" account, started up from the recovery disk, and re-installed Lion from scratch. Then I ran Migration Assistant, doing it the same way, except that this time I only checked the "accounts" and "settings" boxes. The transfer was much faster this time, but everything ended up the same. This didn't fix my problem.
6. I logged out of the new computer, and logged in again as my original account "administrator." Then I saw that there was in fact a /Users/admin home directory, but it was owned by the wrong account, i.e. administrator. So I did this:
sudo chown -R admin /Users/admin
Things then looked a lot better. I logged in as admin, and now my desktop items are there, my iTunes library is accessible, etc. I checked, and verified that admin is listed as having administrator privileges. So I guess my next step would be to delete the original "administrator" account, so that there's only one account left. Is it safe for me to delete the original administrator account that I set up? I'm afraid to do that, because I'm not sure that everything is really in order. For example:
1. When logged in as admin, the Macintosh HD icon never appears on my desktop, even if I check the appropriate box under Finder -> Preferences. It does appear properly if I'm logged in as administrator.
2. Dropbox keeps looking for a /Users/abc/Dropbox directory, and breaks because it can't find that directory. I don't really care about that, because I can just uninstall and reinstall Dropbox. But I don't want to run into other problems in the future because other applications are looking for /Users/abc.
3. In various places, Lion keeps referring to my new computer as "administrator's-MacBookPro," or something like that. That makes me worry that I'll have some problems if I delete name of the account that supposedly owns the computer.
So, is it safe for me to proceed with deleting the original account? I haven't really used the new computer yet, so I'd be happy to wipe the whole hard disk clean and start the migration process over from scratch, if that will help to make everything more stable going forward. And if someone can tell me how to do that!
I apologize for the long post. Thanks in advance for any help.

Whew! I finally got my new machine working with all my old stuff on it, thanks to baltwo's tip to try reinstalling the OS from scratch, which pointed me in the right direction. The key additional points were (1) to make sure to erase the hard drive first, and (2) do the transfer to Lion, rather than Snow Leopard, because at least in my case, SL's Setup Manager was buggy and always hung forever right when it was about to start transferring. Also for some reason the transfer was much faster in Lion.
This was a very ugly experience for me. There were lots of times when my computers crashed, hung, wouldn't wake up, and otherwise made me feel like I was at work, trying to use Windows boxes. For the benefit of any other people who may stumble upon this thread, here are a set of steps that you can follow if you have a mac that is new (or new to you) and you would like to have it running Lion, and having all of the stuff from your old Mac on it, but with no other user's stuff on it. In the simple case where your new Mac comes preinstalled with Lion and you're the first human ever to turn it on, then ignore all of this, and just turn it on and follow the onscreen instructions. However, I think you should follow the following steps if (A) the new Mac already has on it an account or account that you want to wipe out, and/or (B) the new Mac is running Snow Leopard, and you want to upgrade it to Lion before migrating your stuff over (which I think is a good idea -- as I said, my computer kept crashing every time I tried to migrate from SL to SL, and besides, maybe a "clean install" of Lion is somehow better).
[If your new Mac is already running Lion, skip to step 4. If your new mac is running SL, start here.]
1. On the new mac (which is running SL), if you're turning it on for the first time, create a temporary administrator account that you're going to wipe out shortly. If there's already an administrator account on the new computer, log in as that administrator.
2. As the administrator, run Software Update, and keep running it repeatedly and restarting if necessary, until Software Update no longer finds any updates to install.
3. Upgrade the new Mac to Lion. You'll probably do this via the App Store. After Lion has downloaded and installed, your computer will restart.
4. Log in into the new Mac, which is running Lion, as your administrator account. Same password as before.
5 Run Software Update, and keep running it repeatedly and restarting if necessary, until Software Update no longer finds any updates to install. I'm not sure this step is really necessary, but I wanted to be sure that the new Mac was running the very latest version of Lion, since there seemed to be some problems with Lion's Setup/Migration assistant.
6. You may not have realized this, but Lion created a locked partition on your hard drive that contains a complete backup copy of itself, plus various utilities, including the disk utility. Boot your new mac from that recovery partition by starting it up (or restarting it), and holding down "command-R" while it's restarting. You'll be presented with two choices, asking whether you want to boot from the main hard disk partition, or the recovery partition. Choose the recovery partition.
7. Having started up from the recovery partition, you now need to run disk utility. If I recall correctly, you do this by pulling down the "Utilities" menu from the top of the screen, and choosing Disk Utility.
8. In Disk Utility, choose "erase," and erase the main partition of your hard drive, which I think will be called "Untitled" or maybe "Macintosh HD." Be sure to highlight "Untitled" or "Macintosh HD" before you go ahead and erase, and don't erase your recovery partition by accident.
9. Now you have a pristine, factory-fresh Mac, running the latest version of Lion, with no user accounts on it. Just go ahead and turn it on, enjoy the music and graphics, and then follow the onscreen instructions for transferring the data over from your old Mac.

HT4889 Trying to migrate from Mac-mini Tiger to Mac-mini Lion and Migration Assistant cannot find my Firewire, 400 to 800, "T" disk although it show up in the new Mac's computer folder. Help

Trying to migrate from Mac-mini Tiger to Mac-mini Lion and Migration Assistant cannot find my Firewire, 400 to 800, "T" disk although it shows up in the new Mac's computer folder. It seems that Mac-mini Tiger is as it should be and the firewire cable is OK. Something about the Migration Assistant is being missed, but I have no idea what it is.
Help

Addendum: I read on a post here (http://forums.macrumors.com/showthread.php?t=420169) about removing some kext files in order to trick OSX into thinking that there were no FireWire ports.
I followed the instructions and removed from /System/Library/Extensions/ the following files:
IOFireWireSerialBusProtocolTransport.kext
IOFireWireAVC.kext
IOFireWireFamily.kext
IOFireWireIP.kext
IOFireWireSBP2.kext
I restarted and BAM...Snow Leopard booted crazy fast and the mouse and keyboard worked instantly.
The System Profiler says "No FireWire ports were found."
So this tells me that the FW port is probably the culprit and is messing up the installation.
So how do I hack the Mountain Lion installer and tell it to ignore the FW port, which is obviously quite dead? Or is there something I can do to the Base system that is similar?

!!!HI, SO I BOUGHT MOUNTAIN LION ON MY MACBOOK PRO TRYING TO UPGRADE FROM SNOW LEOPARD, AND WHILE TRYING TO REINSTALL THE OS SETUP AS IT SHOWED IT COULDNT BE VERIFIED, I CROSSED OUT MOUNTAIN LION FROM MY PURCHASES, ITS NOW GONE, DO I HAVE TO BUY IT AGAIN?

HI, SO I BOUGHT MOUNTAIN LION ON MY MACBOOK PRO TRYING TO UPGRADE FROM SNOW LEOPARD, AND WHILE TRYING TO REINSTALL THE OS SETUP AS IT SHOWED IT COULDNT BE VERIFIED, I CROSSED OUT MOUNTAIN LION FROM MY PURCHASES, ITS NOW GONE, DO I HAVE TO BUY IT AGAIN?

Please google search for "Mountain Lion disk crash" before upgrading you mac pro. You might need to replace you Mac hard drive after the upgrade.So many people had the same problems including me.
Be aware of the Mountain Lion upgrade problem.

Mail "unexpectedly quits" after migration from snow leopard to new iMac running Mountain Lion

Mail "unexpectedly quits" after migration from snow leopard time machine files to new iMac running Mountain Lion. I can run connection doctor OK. But the activity window is blank. If you try to open message viewer window then mail program crashes. Would really like to get my old emails back as the old imac is totally dead. Thanks for any help.

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Step 1
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Enter the name of the crashed application or process in the Filter text field. Post the messages from the time of the last crash, if any — the text, please, not a screenshot.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into a message.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.
Step 2
Still in the Console window, look under User Diagnostic Reports for crash reports related to the process. The report name starts with the name of the crashed process, and ends with ".crash". Select the most recent report and post the entire contents — again, the text, not a screenshot. In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.) Please don’t post shutdownStall, spin, or hang logs — they're very long and not helpful.

Complications migrating from Snow Leopard Server to Mountain Lion Server.

I'm migrating from Snow Leopard Server to Mountain Lion Server. The article "OS X Server: Upgrade and migration" (http://support.apple.com/kb/HT5381) says
"Make sure that any DNS or DHCP servers on which your server depends remain running during the upgrade"
This advice is reinforced by the details of the article "OS X Server: Steps to take before upgrading or migrating the Open Directory database" (http://support.apple.com/kb/HT5300).
As the server I'm migrating from provides these services it will need to be running during the migration process. This would seem to limit my options to doing the migration from a Time Machine backup (or, making a seperate clone of the server's drive and connecting it externally to the new box)
My main concern is the seemingly inevitable clash that is going to occur on the network as the new server takes on the roles of the old one - while it is still running.
What are my options here ?
This is my second attempt as on my first try I did the migration from the TM backup with the network down - and none of my local network users or their home directories were migrated, although the settings for the mount points were, but there were no actual directories where they pointed to!
Clear directions on how to procede would be VERY MUCH appreciated
Thank you.

Moving from Snow Leopard to Mountain Lion means first installing the client (non-Server) version of Mountain Lion and then install Server.app this means that for at least part of the process you will not be running DNS, DHCP or Open Directory.
If you are going to end up using the same DNS name and IP address after the change then an approach you could follow would be as follows.
Destroy any Open Directory replicas
Archive your Open Directory Master (to make a backup)
Note down your DNS records in case they get messed up
Export via Workgroup Manager your users, and groups (you might not need this but better safe than sorry), make sure you do not include the diradmin account
Keep a full back of the server (you should always have backups)
Note down your DHCP server settings in case they get messed up
Note down any other service settings
Install Mountain Lion
Install Server.app
Install Workgroup Manager (extra free download)
Run Server.app
Make sure settings for services are as much as possible the same as before
If your lucky that may be all you need to do, otherwise...
Restore Open Directory archive, if your lucky that will be all you need to do, otherwise...
Make new Open Directory Master
Run Workgroup Manager
Import users and groups you previously exported
You will then have to set passwords for each user as these are not preserved via Workgroup Manager export
When I did this, I was also being forced to change all my IP addresses so I had no choice but to use Workgroup Manager to export and import accounts.

I am trying to migrate from macbook to a new imac and the looking for source keeps spinning

I am trying to migrate from macbook to a new imac and the looking for source keeps spinning

The warranty entitles you to complimentary phone support for the first 90 days of ownership.

Mail etc migration from Snow Leopard

Hi Folks.
My new iMac has just arrived. Previously I have moved everything from my old imac to a new one as a single operation. But this has left me with a lot of Power Mac software and loads of other stuff that is now irrelevant. So this time I'm going to set it up from scratch.
My question therefore is, going from Snow Leopard to Mountain Lion, what files (and/or) folders to I need to drag across and replace, in order to bring across all of my emails, contacts and calendar events etc onto the new iMac?
Assuming it is that simple....
Many thanks,
David.

A Basic Guide for Migrating to Intel-Macs
The Knowledgebase article Intel-based Mac: Some migrated applications may need to be updated refers to methods of dealing with migrating from PowerPC chips to Intel with the Migration Assistant safely. The authors of this tip have not had a chance to verify this works in all instances, or that it avoids the 10.6.1 and earlier Guest Account bug that caused account information to get deleted upon use of the Migration/Setup Assistant. However, a well backed up source that includes at least two backups of all the data that are not connected to your machine will help you avoid potential issues, should they arise. In event it does not work, follow the steps below.
If you are migrating a PowerPC system (G3, G4, or G5) to an Intel-Mac be careful what you migrate. Keep in mind that some items that may get transferred will not work on Intel machines and may end up causing your computer's operating system to malfunction.
Rosetta supports "software that runs on the PowerPC G3, G4, or G5 processor that are built for Mac OS X". This excludes the items that are not universal binaries or simply will not work in Rosetta:
1. Classic Environment, and subsequently any Mac OS 9 or earlier applications
2. Screensavers written for the PowerPC System Preference add-ons
3. All Unsanity Haxies Browser and other plug-ins
4. Contextual Menu Items
5. Applications which specifically require the PowerPC G5 Kernel extensions
6. Java applications with JNI (PowerPC) libraries
See also What Can Be Translated by Rosetta.
In addition to the above you could also have problems with migrated cache files and/or cache files containing code that is incompatible.
If you migrate a user folder that contains any of these items, you may find that your Intel-Mac is malfunctioning. It would be wise to take care when migrating your systems from a PowerPC platform to an Intel-Mac platform to assure that you do not migrate these incompatible items.
If you have problems with applications not working, then completely uninstall said application and reinstall it from scratch. Take great care with Java applications and Java-based Peer-to-Peer applications. Many Java apps will not work on Intel-Macs as they are currently compiled. As of this time Limewire, Cabos, and Acquisition are available as universal binaries. Do not install browser plug-ins such as Flash or Shockwave from downloaded installers unless they are universal binaries. The version of OS X installed on your Intel-Mac comes with special compatible versions of Flash and Shockwave plug-ins for use with your browser.
The same problem will exist for any hardware drivers such as mouse software unless the drivers have been compiled as universal binaries. For third-party mice the current choices are USB Overdrive or SteerMouse. Contact the developer or manufacturer of your third-party mouse software to find out when a universal binary version will be available.
Also be careful with some backup utilities and third-party disk repair utilities. Disk Warrior, TechTool Pro , SuperDuper , and Drive Genius work properly on Intel-Macs with Leopard. The same caution may apply to the many "maintenance" utilities that have not yet been converted to universal binaries. Leopard Cache Cleaner, Onyx, TinkerTool System, and Cocktail are now compatible with Leopard.
Before migrating or installing software on your Intel-Mac check MacFixit's Rosetta Compatibility Index.
Additional links that will be helpful to new Intel-Mac users:
1. Intel In Macs
2. Apple Guide to Universal Applications
3. MacInTouch List of Compatible Universal Binaries
4. MacInTouch List of Rosetta Compatible Applications
5. MacUpdate List of Intel-Compatible Software
6. Transferring data with Setup Assistant - Migration Assistant FAQ
7. OS X Lion: How to use Migration Assistant to transfer files from another Mac
Because Migration Assistant isn't the ideal way to migrate from PowerPC to Intel Macs, using Target Disk Mode, copying the critical contents to CD and DVD, an external hard drive, or networking will work better when moving from PowerPC to Intel Macs. The initial section below discusses Target Disk Mode. It is then followed by a section which discusses networking with Macs that lack Firewire.
If both computers support the use of Firewire then you can use the following instructions:
1. Repair the hard drive and permissions using Disk Utility.
2. Backup your data. This is vitally important in case you make a mistake
      or there's some other problem.
3. Connect a Firewire cable between your old Mac and your new Intel Mac.
4. Startup your old Mac in Transferring files between two computers using FireWire.
5. Startup your new Mac for the first time, go through the setup and
       registration screens, but do NOT migrate data over. Get to your
       desktop on the new Mac without migrating any new data over.
If you are not able to use a Firewire connection (for example you have a Late 2008 MacBook that only supports USB:)
1. Set up a local home network: Creating a small Ethernet Network.
2. If you have a MacBook Air or Late 2008 MacBook see the following:
a. MacBook (13-inch, Aluminum, Late 2008) and MacBook Pro (15-inch,
      Late 2008) - What to do if migration is unsuccessful;
b. MacBook Air - Migration Tips and Tricks;
c. MacBook Air - Remote Disc, Migration, or Remote Install Mac OS X and
      wireless 802.11n networks.
Copy the following items from your old Mac to the new Mac:
In your /Home/ folder: Documents, Movies, Music, Pictures, and Sites folders.
In your /Home/Library/ folder:
/Home/Library/Application Support/AddressBook (copy the whole folder) /Home/Library/Application Support/iCal (copy the whole folder)
Also in /Home/Library/Application Support (copy whatever else you need including folders for any third-party applications)
/Home/Library/Keychains (copy the whole folder) /Home/Library/Mail (copy the whole folder) /Home/Library/Preferences/ (copy the whole folder) /Home /Library/Calendars (copy the whole folder) /Home /Library/iTunes (copy the whole folder) /Home /Library/Safari (copy the whole folder)
If you want cookies:
/Home/Library/Cookies/Cookies.plist /Home/Library/Application Support/WebFoundation/HTTPCookies.plist
For Entourage users:
Entourage is in /Home/Documents/Microsoft User Data Also in /Home/Library/Preferences/Microsoft.
Credit goes to Macjack for this information.
If you need to transfer data for other applications please ask the vendor or ask in the Discussions where specific applications store their data.
5. Once you have transferred what you need restart the new Mac and test to make sure the contents are there for each of the applications.
Written by Kappy with additional contributions from a brody.Revised 5/21/2011

Trying to migrate from MBPro Leopard to MBPro Lion

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