What the Windows host needs to run sessions.
- A supported Windows Server installation and administrator access to install the host, services and drivers.
- The Windows Remote Desktop Services service (
TermService, backed bytermsrv.dll) installed, enabled and functioning. PrimalDesk relies on this Windows session infrastructure; it must not be removed or damaged. - A compatible NVIDIA, AMD or Intel GPU with a current driver and hardware video encoding support. Codec and color-format availability vary by adapter; the current host display path is SDR-only.
- Enough CPU, RAM, GPU capacity and upload bandwidth for the applications and concurrent sessions you intend to run.
- Working DNS, outbound connectivity to PrimalDesk services and permitted UDP session traffic. See Firewall and ports.
Virtual machines need a GPU configuration that exposes the required graphics and encoding capabilities. Start with one session and measure resource usage before increasing resolution or concurrency.