How to Start the Server for PCNFS Service by Using TCP (308298)

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SUMMARY

By default, the Server for PCNFS service in Windows Services for UNIX uses User Datagram Protocol (UDP). Sometimes, you may want to use Transmission Control Protocol (TCP) for PCNFS communications. This article describes how to start the Server for PCNFS service by using TCP.

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WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Start Registry Editor (Regedt32.exe).
Locate the RegisterTcp value under the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\KePcnfsd\Parameters
On the Edit menu, type 1 in the Value data box, and then click OK.

NOTE: The default value for the RegisterTcp value is 0.
Quit Registry Editor.

After you change the RegisterTcp value, run the following commands to stop and restart the Server for PCNFS service:

net stop kepcnfsd
net start pcnfsd

KEPCNFSD is the kernel mode component of the Server for PCNFS service. It is not stopped when you stop Server for PCNFS. However, if you stop KEPCNFSD, Server for PCNFS also stops. If you start Server for PCNFSD, both services start.