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10.5: A possible fix for Mail problems after 10.5 upgrade
Authored by: scotty321 on Jun 03, '09 08:14:16AM

Yes, Mac OS X Leopard has always had serious bugs in upgrading Mail from Tiger to Leopard, particularly when you try to manually upgrade Mail (e.g. by manually moving the Mail folder and Mail preferences from a Tiger machine to a Leopard machine). Totally annoying beyond belief.

Haven't tried the hints outlined in this article, but here are the step-by-step instructions that we've been successfully using for how to fix the problem:

1. Start by carrying over the com.apple.mail.plist file in ~/Library/Preferences on the old machine into the same location on the new machine.

2. Next, carry over the ~/Library/Mail folder from the old machine BUT PUT IT ON THE DESKTOP OF THE NEW MACHINE.

3. Launch the Mail application.

4. Mail will now ask you if you want import your messages. DO NOT HIT CONTINUE YET!!

5. Go into ~/Library and you will notice that there is a NEW Mail folder that was created. Don't try to delete this folder yet because it is in use by mail so just rename this folder Mail2.

6. Now, drag your OLD mail folder located on your desktop to your ~/Library folder.

7. Go back to the Mail application and click continue. Your messages and settings should import fine now.

8. Verify that your messages and settings imported correctly and quit Mail.

9. Navigate back to ~/Library and delete the Mail2 folder.

10. Launch the Mail application again and make sure everything functions correctly.



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10.5: A possible fix for Mail problems after 10.5 upgrade
Authored by: Auricchio on Jun 03, '09 08:28:24AM

This workaround works perfectly. I have had to use it several times when upgrading clients' systems.

Technically, you can drag the old Mail folder to the trash, just don't try emptying the trash. This avoids the renaming and later deletion steps.

---
EMOJO: mojo no longer workin'



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10.5: A possible fix for Mail problems after 10.5 upgrade
Authored by: osxpounder on Jun 03, '09 10:02:35AM

I've used scotty321's technique successfully to fix my broken Mail after upgrading to Leopard.

It worked for me, but it took 2, maybe 3 tries. It might not have been the total solution, but I forget now what else I tried, because my troubleshooting was desperately quick, and because I had a backup I could restore, if needed.



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10.5: A possible fix for Mail problems after 10.5 upgrade
Authored by: bcometa on Jun 08, '09 10:57:16AM
Totally agree that manual mail migration 10.4-10.5 is way too troublesome. Can't wait to try this technique on next client's upgrade. Thanks for sharing!
brian cometa

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