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Event ID 1071 — NFS Port Registration

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Applies To: Windows Server 2008

Network File System (NFS) clients discover NFS servers by querying the port mapper for a remote server. RPC Port Mapper converts RPC data into TCP and UDP protocol port numbers. It must be active for Server for NFS to start.

Event Details

Product: Windows Operating System
ID: 1071
Source: NfsServer
Version: 6.0
Symbolic Name: EVENT_NFS_NSM_SPECIFIC_PORT_RPC_REGISTRATION_FAILURE
Message: Server for NFS could not register the Network Status Manager (NSM) protocol on the specified port. Server for NFS did not start. Without the NSM protocol, NFS clients would not be able to reclaim files locks on this server, if either the server of client's service is disrupted. Verify that no other programs are registered on the specified NSM protocol port, or use the Nfsadmin command-line tool to specify a different port.

Resolve

Free ports and restart Server for NFS

To make TCP/IP ports available and restart Server for NFS:

  1. Open an elevated Command Prompt window. Click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
  2. Type netstat -a -b -o. to display all connections with their associated executables and processes.
  3. Unload unnecessary drivers, stop unnecessary services, or close unnecessary programs.
  4. Type net start nfssvc to start Server for NFS.

Verify

To verify that Server for NFS has successfully registered all protocols:

  1. Open a command prompt with elevated privileges. Click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
  2. Type rpcinfo to determine the ports and transports that Server for NFS uses.
  3. In the list, verify that the following services are present on both IPv4 and IPv6 (if used):
  • mountd
  • nfs
  • nlockmgr
  • status

NFS Port Registration

File Services