The installation of Video Surveillance Operations Manager (VSOM) is very easy. You can use the OVF for VMWare.
How are you gonna add some extra harddisk space when you need it ? You can resize the VM Harddisk but it my case it gave the error :
So I added just an extra Harddisk in VMWare. Now you will have to login at the console of the VSOM (or SSH to it) with the localadmin account.