Re: Windows2000, Networks and Lightyear

From: Scott -Scooter- Sutterer (
Date: Wed Mar 15 2000 - 18:05:44 EET


Great information. I would pass it along to 3D Systems Customer Support.
I'm sure these same issues will come up with other users installing 2000.


Scott "Scooter" Sutterer

----- Original Message -----
From: <>
To: <>
Sent: Wednesday, March 15, 2000 7:55 AM
Subject: Windows2000, Networks and Lightyear

> Hello All,
> Here is what I found regarding Windows2000 and networking...
> After installing the network card I made a cable and connected the two
> computers together, one of which is running Windows98. After several
> of frustration it was clear that the machine with Windows98 was the
> so I installed Windows2000 as a dual boot and presto no more network
> problems. I'm not sure why 98 would not work it was a relatively simple
> install but none the less it did not.
> Now for the strange part! I have a virtual private network set up on my
> Windows2000 machine so that I can dial my ISP and then through the VPN
> access the network at Williams International, this is pretty cool, when
> connected it's as if I'm at my at my desk in my office. Anyway this
> connection allows me to retrieve CAD files from work while I'm at home and
> prepare them in Lightyear and send them directly to the SL machines. This
> setup has come in handy on a couple of occasions. When I installed
> Lightyear under 2000 (prior to the network working) it gave me an odd
> code required for licensing and it was determined that a network card was
> required for Lightyear to run. On installing the card I reran the lmutil
> generate the flexm code and was greeted with the same message. I was able
> to acquire the correct code only when the 2 machines were successfully
> networked together! This got my curiosity up, so after all was working
> properly I re-booted the machine with the new install of 2000 which
> temporarily breaks the network connection and tried to run Lightyear, It
> gave me an error regarding an invalid license file and stopped running.
> After the other machine finished booting the connection was restored and
> Lightyear ran with out a hitch. It sounds like the license file is
> to the hard code every time Lightyear starts so if your network go down
> Windows 2000 tags the network card as not plugged in or not functioning
> will lose you ability to run the software.
> One other Item I found is that I get strange graphics problems using
> Lightyear under Windows2000 and did not under NT4.0 on the same machine
> only when the systems is run at 1280x1024 res.
> I hope this info will help any of you out there making the switch!
> Karl
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