This is an "Access Denied" error. It means your username or password was rejected, or you don't have permissions for that specific folder.
While the story dramatizes the event, the commands used are standard IT administration tools. Here is exactly how to map a network drive from the command line, just as Captain Miller did. map network drive from command line
net use Z: \\ServerName\ShareName /user:Domain\Username * This is an "Access Denied" error
Z:
By default, mapped drives in the command line often disappear when you reboot. To make them stay: map network drive from command line
