To set the network protocol using the Windows interface

1. Open Services for Network File System: click Start, point to Programs or All Programs, point to Administrative Tools, and then click Services for Network File System (NFS).

2. If necessary, connect to the computer you want to manage.

3. Right-click Client for NFS, and then click Properties.

4. Click the Client Settings tab.

5. From the Transport Protocol list box, select the type of protocol that Client for NFS uses.

6. To save this setting, click Apply.

To set the network protocol using the command line

1. Open a command prompt with elevated privileges.

2. At the command prompt, type:

   nfsadmin client [ComputerName] config protocol={TCP | UDP | TCP+UDP}

   Argument	Description
   ComputerName	The name of the computer that you want to manage.
   protocol={TCP | UDP | TCP+UDP}	Set to TCP for Transmission Control Protocol (TCP), UDP for User Datagram Protocol (UDP), or TCP+UDP for both.

   	Note
   	To view the complete syntax for this command, at a command prompt, type: nfsadmin client /?

Additional references