Failed to save Cloudmin replication

Hi guys.

i'm trying to setup 2 cloidmin sever 1 master 1 replica.

i have in the setup

1. Ubuntu 8.04 with virtualmin+cloudmin installed - master
2. Ubuntu 8.04 with virtualmin+cloudmin installed - replica.

i want to replicate cloudmin config and virtualmin domains.

i have set server 2 to replica

i have seperate licences on each server. ( prhysical server licens)

but it get this error when trying to save config for replication.

::Failed to save Cloudmin replication : The replica system SERVER2 is not running Webmin

can any one help