Rebellion are busy preparing the dedicated server for the Aliens vs. Predator community. We hope to have a beta release with reduced functionality out in the next few days and further updates to improve functionality and fix bugs over the next few weeks.
The files will be available to download from the "Tools" tab in the Steam client and will be a free download.
This thread will be updated as and when there is more information to provide.
QuoteFor server administrators;
The dedicated server will be available via the "tools" tab of the Steam client. If you already have a copy of the full game installed, it will simply add the dedicated server executable to the install folder. If you do not have the full game installed, it will need to download approximately 15GB of data.
One install is required per machine, and multiple instances of the server executable can be run simultaneously – the server currently requires the Steam client to be running, only one steam client/log on is required per machine regardless of the amount of instances you run, and the Steam account used to log on does not need to own a copy of the full game. Please refer to the dedicated server readme for more information and help, in particular the known issues section. A server command guide is also available in the installation folder.
http://forums.sega.com/showpost.php?p=5626958&postcount=1