how to permanently remove network drive?

Sounds like you should check your user profile on the server. WIN98 didn't know what to do with the "Home Folder" under the profile. It's probably set to connect H: to your home path. Could also be a policy issue but doesn't sound like it.

The Home Directory is indeed set as H on the server (NT4). The J was used to map to the home directory under Win98. It seems like win2000 now recognizes H and keep the J too.

You may go to system information-tools->network connections, right click on the extra drive and deleted.

#3 opens up Network and Dial-up connections, so that won't work. You can just open My Computer, right-click on the drive, and click Disconnect.

If the drive is mapped through a script, then remove the command from the script and perform the abovefunction.

write an new batch file to log yourself on. Use the "net use" command, something like this.
net use K: \\servername\sharename /persistent:NO
The persistent:NO deletes the drive when you log off.

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First, you need have a "Shared Folder" on your hard drive. If you haven't got one already, create a new folder on your hard drive called "Shared", then right-click it and select properties. Click the Sharing tab and tick the "Share this folder" box. Next, click "My Computer" and in the Tools Menu, click "Map Network Drive". Notice the little down-arrow next to the drive letter shown. Click the arrow to get a list of letters. Select the one you want to delete, then browse for your Shared folder and select it. By this means, you will assign the drive letter to a real folder. Make sure the "reconnect at login" box is un-ticked. Click the Finish button to get a warning. Answer YES and the Shared folder will open. Close it. Next, right-click the drive in My Computer and select disconnect. Ah, I hear you say, but it is still there! Re-boot and have another look - enjoy!