[mmorse]

Welcome to the forums,

http://www.zimbra.com/blog/archives/...er_server.html
Either bring the 4.5.4 to 4.5.10 first.
Or ./install.sh -u on the 4.5.10 box, move over the 4.5.4 material, then upgrade.

Sry you spent time configuring the .10 box though!