I've got a rather complicated upgrade to perform and just wanted to verify steps prior to doing it.
I've currently got Zimbra Open Source Edition 5.0.1 GA running on Centos 5
My goal is to get to Zimbra Network Edition 5.0.6 GA running on Ubuntu 6.0.6 LTS x86_64
I've got one machine, but I have multiple external USB backup drives.
After reading many posts on the fora, I'm not sure how to accomplish this. Should I do an in-place upgrade to NE, backup everything, install the new OS & 64-bit Network edition, restore and then upgrade to the latest version?
Any help would be greatly appreciated.