Migrate PE
As an alternative to upgrading, you can migrate your PE installation. Migrating results in little or no downtime, but it requires additional system resources because you must configure a new primary server.
If you have a standard or large installation, you can implement the migration process outlined in Migrate your installation.
If you have a standard, large or extra-large PEADM-configured installation, see Migrate PE for a PEADM installation.