Omni-NFS Dual Gateway - Version 4.0 The perfect all-in-one solution for total PC-to-UNIX integration. With the Omni-NFS Dual Gateway for Windows NT, users on either the PC or remote NFS network can now have quick and easy bi-directional access to resources on either of the networks. Installation and administration is a breeze with the Dual Gateway. Imagine having to install integration software only once on one central computer, instead of installing separate client/server software on every machine.