In this tutorial I'll explain you how to install Vmware Server on Hetzner.de Rootserver with Debian Etch OS installed.
Read it here
On Hetzner you have to ask the free additional subnet of IPs. With these additional IPs you can configure up to 6 IPs. Unfortunately, one of these IPs will must be used for the host system, and another one to make a gateway and solve the problem of bridge network configuration. In fact you have to configure the first of the additional IP on the system host where you will install VMware Server.