Error when attempting to unmap a drive mapped via 'net use' command

When trying to remove a drive mapped via the 'net use' command, an error appears:

You currently have files open on <drive> (connected to <path>). If you
don't close the files before disconnecting from the network device, you might
lose data. Do you want to disconnect?

Answering 'yes' to this prompt does not disconnect the drive and produces a new error, and the drive stays visible in the "Computer" view of Windows Explorer:

This network connection has files open or requests pending.


The specific steps to duplicate this issue include:

1. Login simultaneously to Windows and eDirectory tree with same username and password.

2. Use "NET USE X: \\server\volume /PERSIST:YES" to map a drive to an OES NSS volume. Issue does not happen with drives being mapped from the eDirectory login script.

3. Reboot, and login again to both eDirectory and Windows from the Novell Client credential provider.

4. From the "Computer" view in Windows Explorer where all the local and currently-mapped network drives are shown, right-click and select "Disconnect" on the persistent drive map.