Migrate from Zimbra 6.0.10 32Bit to Zimbra latest 64 Bit
we have an old Zimbra 6.0.10 network edition installation currently up and running and would like to change the system architecture to a new system.
The old system is running SLES 10 (32bit) based.
The new system should be the latest Zimbra version (network edition) installed on an ubuntu 12.04 LTS 64 bit (as kvm guest) system.
My question is: is there a recommended way for such a migration. Are there does and doníts? Are there any known pitfalls and how can I avoid them?
Any hint is appreciated.