[THIN] lpt1 port mapping on Windows Server 2003
- From: "Rick Mack" <Rick.Mack@xxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Wed, 21 Jun 2006 06:17:34 +1000
Hi People,
Had a customer who was trying to do lpt1 port remapping and uncovered a feature.
_______________
Non-Administrators Cannot Remap an LPT Port to a Network Printer
Article ID : 313644
Last Review : October 29, 2003
Revision : 1.0
This article was previously published under Q313644
SYMPTOMS
When a user who is not an administrator tries to use the net use command to
remap an LPT port to a network printer (for example, net use lpt1: \\printer
server\print share), and the LPT port is already assigned to the local parallel
port, the LPT port is not remapped. A use who is not an administrator can still
map a network printer to an LPT port that is not already assigned to a local
parallel-port.
CAUSE
This behavior occurs because only a member of the Administrators group can use
the net use command to map the LPT port for a local (hardware) parallel port to
a network printer. This behavior is designed to help improve security.
RESOLUTION
To work around this behavior, use one of the following methods:
* Log on as an administrator, and then use the net use command.
* Use the devcon disable *PNP0401 command to disable the LPT port
mapping to the local parallel port when the computer starts. The devcon disable
*PNP0401 command is for LPT1. To find the hardware ID for other LPT ports, use
the devcon findall * command. The devcon command must run when the computer
starts. For a computer in a domain, you can set up Group Policy to run devcon
as a computer startup script. To set Group Policy, open the appropriate group
policy, open Computer Configuration\Windows Settings\Scripts
(Startup/Shutdown)\Startup, and then add the command.
* If your program can print to the LPT2 port or the LPT3 port, use the
net use command to map the network printer to the LPT2 port or the LPT3 port.
Most computers do not have physical LPT2 or LPT3 ports, so a non-administrator
can map an LPT2 port or an LPT3 port to a network printer.
______________________________
Devcon is kind of interesting because it lets you do stuff like easily
disabling NICs in a script.
And since Microsoft don't always have the last word, you have an alternative to
disabling the physical LPT1 port, it can be remapped to a different logical
port number (eg lpt2) using the device manager, leaving LPT1 free for remapping.
regards,
Rick
Ulrich Mack
Volante Systems
________________________________
From: thin-bounce@xxxxxxxxxxxxx on behalf of Roger Riggins
Sent: Wed 21/06/2006 2:19
To: thin@xxxxxxxxxxxxx
Subject: [THIN] palm hotsync in citrix?
Hey all. Has anybody found a way to make a Palm Z22 (one of our apps requires
this model) synchronize via Hotsync in Citrix? It's a USB device, so I thought
maybe the virtual COM port mapping would work. I tried it briefly and it didn't
work right away, so I figured I'd check with you guys before I spend a ton of
time on it.
Thanks!
Roger Riggins
Network Administrator
Lutheran Services in Iowa
w: 319.859.3543
c: 319.290.5687
http://www.lsiowa.org
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