PC-NFS - Frequently
Asked Support Questions

  • I can see the file systems exported by the server, but I can't mount them.
  • The "Expand By Default" Option on the "Connect Network Drive" dialog doesn't work.
  • I just installed PC-NFS and it doesn't work.
  • I put my remote node in RSH Global Access list and I still get Permission Denied errors.
  • When I mount a directory that is exported as "read-only" with "read/write" access, why don't I get an error?
  • I'm having trouble moving files between symbolically linked directories.
  • Why do I have to login through PC-NFS each time I reboot or logoff?
  • Can I configure PC-NFS to auto-login?
  • When I try to mount a NT resource, it will show up under the NFS Network sometimes.
  • How do I specify another disk/directory on the command line for rcp/rcmd?
  • Drives Mounted With File Manager can't be unmounted with NFS.EXE.
  • When I use the Windows NT COPY or XCOPY commands to copy NFS files with long names (greater than eight characters plus three-character extension) to a FAT partition, I get a "File creation error".

  • I can see the file systems exported by the server, but I can't mount them.

    A. The files are exported, but to a limited group. If the file system is not universally exported, your specific system name will need to be added the export list on the server.


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  • The "Expand By Default" Option on the "Connect Network Drive" dialog doesn't work.

    A. The Expand By Default option in the Connect Network Drive dialog box automatically expands the network provider that is listed first in the HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/NetworkProvider registry key. You can change the order in which network provider is expanded by going into ControlPanel-Network-Networks and moving the NFS Network to the top of the list by highlighting it and using the arrow buttons.

  • I just installed PC-NFS and it doesn't work.

    A. Attempt to mount the NFS server with the nfs.exe command, see the documentation (or on-line help) for further instructions on mounting with nfs.exe. If this is successful then exit and re-enter file manager and attempt the mount again. If it didn't work, check to make sure the NFS driver is running. You can do this through the PC-NFS Config applet in the Control Panel or through the Devices Applet in the control Panel. In the PC-NFS Config applet, look to see if the NFS Client has the status of "Enabled". In the Devices Applet the status of PC-NFS should be "Started". If either "Enabled" or "Started" are not indicated, start the driver. See the documentation on the PC-NFS Config applet for further information. After the driver has been started, reboot the system.


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  • I put my remote node in RSH Global Access list, and I still get Permission Denied errors.

    A. Often this occurs if DNS is being used. When a remote node is being placed into the RSH Global Access list, place both the proper name and the fully qualified name into the list. For example, place both: nfsserver nfsserver.acme.com.

  • When I mount a directory that is exported as "read-only" with "read/write" access, why don't I get an error?

    A. When a directory is exported from UNIX as read-only, and then mounted from PC-NFS using the default drive options (that is, read/writes allowed), the mount is completed without error. Subsequent attempts to write to the drive, however, fail with an "Access is denied" error message. Mount drives exported as read-only using the PC-NFS read-only (ro) mount option. You will still not be able to write to the mounted drive, but appropriate messages will be displayed when, for example, you open a file for editing.

  • I'm having trouble moving files between symbolically linked directories.

    A. Symbolic links are supported in read only mode in this release.

  • Why do I have to login through PC-NFS each time I reboot or logoff?

    A. Logging into NFS allows the NT user to be authenticated with a system running the pcnfsd daemon. Authentication is a process that associates (or maps) a user/passwd with a Unix User ID (UID) and Group ID (GID). Most file/directory transactions are processed on the NFS server side of the model. The NFS server needs to know the UID and GID of the user who is attempting the file/directory transaction in order to determine access rights. For example, a directory may only be accessible to the user with a UID of 123 so the NFS server must be given the requesters UID and GID to determine if the user has access privileges. So a user with a UID of 987 would be denied access to the above directory.


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  • Can I configure PC-NFS to auto-login?

    A. Yes. In the "PC-NFS for Windows NT" common program group there is a utility called "PC-NFS Login". Activate the utility and go into the Configuration section. There are three radial buttons. The first button; "Use NT Login username/password" will automatically attempt to log the user into NFS with the username and password that was supplied to NT when the user logged in. See the On Line help or documentation for additional information on the available options. Furthermore a user can log into NFS from the command prompt using the NFS.EXE utility. The user could execute the command "nfs pcnfsd <server_name&" and "nfs login <user_name> <password>". Please see documentation for additional information. With the nfs.exe utility, a user could create a batch file that utilizes the nfs.exe utility and place into the Start program group. This will allow the user to be prompted for the NFS login information when they log into NT.

  • When I try to mount a NT resource it will show up under the NFS Network sometimes.

    A. This could be due to a failure to mount the NT resource and File Manager attempts to place the failed server/resource name under one of the network provider's name. Unfortunately, File Manager doesn't know the difference between LAN Manager, NFS, or any other network providers elements so it places the server/resource name under that last network providers name.

  • How do I specify another disk/directory on the command line for rcp/rcmd?

    A. To avoid shell interpretation of the rcp or rcmd, it is best to place the command in double quotes. For example: rcmd ntsys "dir f:\project\src\notes".


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  • Drives Mounted With File Manager can't be unmounted with NFS.EXE.

    A. If you mount an NFS drive through File Manager, and then attempt to unmount it with the NFS USE drive: /d or NFS USE /f command, the unmount operation fails. Close the File Manager window that is displaying the drive you are trying to unmount. Note that you do not need to unmount the drive through File Manager, you just need to close the drive window in which it is displayed. Alternatively, you can mount the drive with the NFS USE command, subsequent attempts to unmount it with NFS USE work without problem.

  • When I use the Windows NT COPY or XCOPY commands to copy NFS files with long names (greater than eight characters plus three-character extension) to a FAT partition, I get a "File creation error."

    A. You must use the /N switch with the COPY or XCOPY command when copying long file names to a FAT partition. /N forces these commands to use short names when creating the files in FAT. For example:copy mississippi.txt

    A. /n xcopy encyclopedia.* b: /n.


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