NET USE

The NET utilities are NetBIOS applications, this means that they rely on WINS (or the local LMHOSTS file) to resolve computer names to IP addresses.

The NET Command is used to connect to a File/Printer Share as follows:

Join a file share (Drive MAP)
 NET USE [driveletter:] \\ComputerName\ShareName /PERSISTENT:YES

 NET USE [driveletter:] \\ComputerName\ShareName\folder1\folder2 /PERSISTENT:No

Make all future connections persistent (auto-reconnect at login)
 NET USE /Persistent:Yes
or
 NET USE /P:Yes

Make all future connections non-persistent (reconnect with login script)
 NET USE /Persistent:No
or
 NET USE /P:No

Join a file share (Drive MAP) - with a long share name
 NET USE [driveletter:] "\\ComputerName\ShareName"

Connect a user to their HOME directory
 NET USE [devicename | *] [password | *]] [/HOME]
This requires the users Home server/folder to be defined in ADUC

Join a password protected file share (Drive MAP)
 NET USE [driveletter:] \\ComputerName\ShareName[\volume] [password | *] [/USER:[domainname\]username] [/PERSISTENT:No]

In the above command /USER can also be specified as:
 [/USER:[dotted domain name\]username]
 [/USER:[username@dotted domain name]


In a script, to map a drive and wait until the mapping has completed before continuing:
 START /wait NET USE [driveletter:] \\ComputerName\ShareName
This will be a little slower, but ensures that files can be read from the mapped drive.

Join a Printer Share
 NET USE [LPTx:] \\ComputerName\printer_share /PERSISTENT:YES

Join a Printer Share - with a "long" share name
 NET USE [LPTx:] "\\ComputerName\printer_share"

Disconnect from a share
 NET USE [driveletter:] /DELETE

Disconnect from a share and close all resources (undocumented)
 NET USE [driveletter:] /DELETE /Y

Examples

NET USE H: /Home
NET USE J: \\MainServer\Users\%Username%
NET USE W: \\MainServer\GroupShare /Persistent:No
NET USE \\MainServer\SharedPrinter


NET USE command can map a network printer to an LPT port (for DOS type applications that print to a port.) but this does not add the printer to the Control Panel GUI.

By default all mapped drives have a 15 minute idle session timeout, you can modify this with the NET CONFIG command. In windows XP the explorer icon will change to show this change in status, this behaviour is designed to improve overall performance.

Drive Descriptions

Recent versions of Windows display a drive description for each share, this can be edited in the Explorer GUI. The text is stored in the registry.

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\##ComputerName#ShareName
_LabelFromReg=<description of drive mapping>
   (string REG_SZ)

“Two roads diverged in a wood, and I-
I took the one less traveled by,
And that has made all the difference” ~ Robert Frost


Related:

CON2PRT - Connect or disconnect a Printer
VB Script: MapDrive [ example ]
VB Script: Add Printer Connection [Examples]
NET - Manage network resources
NET SESSION - List or disconnect open files
NET SHARE - Create file share
OPENFILES - List or disconnect open files, local or remote (Win XP)
PUSHD - map to a drive share
RMTSHARE - List or edit a file share or print share (on any computer)
RUNDLL32 - Add/remove print connections
SHARE - List or edit a file share or print share
WMIC NETUSE - WMI access to drive mappings
fsmgmt.msc - List or disconnect open files - (Win XP GUI)
Drmapsrv - Drive Share for use with Terminal Services (Win 2K Server Resource Kit)
Slow Network Browsing (XP)
Equivalent bash command (Linux): lpc - line printer control program


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