Error Message: SysNET USE LPT1 SYSTEM ERROR 85

Hi,

 

Is the computer connected to Domain?

 

In case the computer is not connected to Domain and you want to install the network printer then try these methods:

 

Method 1:

Install a printer on a home network

http://windows.microsoft.com/en-IN/windows7/Install-a-printer-on-a-home-network

 

Method 2:

Step A:

Refer to the article to add the printer on Windows 7 Computer.

http://windows.microsoft.com/en-us/windows7/Share-a-printer

 

If the above steps does not help, try the below steps:

Step B:

We need to change the port and check. Let us perform the below steps to install this printer and check.

a. Click Start, click Control Panel and double click Devices and Printers.

b. Click on Add a Printer.

c. Select “Add a local printer”.

d. Select “Create a new port”. Choose “Local Port” as the type of the port.

e. In the box “Enter a port name”, type the address as the following format.

\\[IP address of the host computer]\[The Share Name of the printer]

f. Then click Next.

g. Choose the correct driver in the driver list. If there is no available driver, click the button Windows Update, wait for the process finishes and then look for the driver again.

h. Finish the installation.

 

Let us know if it helps.

Thank you for your attempt to help, but none of those suggestions worked.

The printer is already connected to the same computer via USB and works fine for Windows printing.  However, our core product we use is DOS based and requires any USB printer to be mapped to an LPT port.

I've been using the NET USE command to accomplish this and never had trouble with Win95, Win98, Win2000, WinXP, or Win7 in the past.

A few  comments:

I assume that your second command was an attempt to delete the connection ... but (a) you forgot the colon after LPT1 and (b) according to LINK, you should use /Delete rather than /D (although I wouldn't be surprised if /D really does work).

This syntax is confusing to me (I haven't tried it)

DeviceName   : Assigns a name to connect to the resource or specifies the device to be disconnected. There are two kinds of device names: disk drives (that is, D: through Z:) and printers (that is, LPT1: through LPT3:). Type an asterisk (*) instead of a specific device name to assign the next available device name.

That is, if you use the command
    net use * \\ComputerName\ShareName
I don't know whether the "next available device name" will be a drive or a printer


You might take a look at the the ports in use (click on any installed printer, then click "Print Server Properties" at the top of the Devices and Printers window, and then select the "Ports" tab.  It may be that some other installed application has already grabbed LPT1: (on my Win 7 computer, that would be Quicken, which installed its own pdf printer on LPT1:).  BTW, Quicken's use of LPT1: is NOT revealed by the net use command because it is not a network resource.

I encountered this same issue (inability to restore the connection after deletion, error 85, etc.

After much searching, I came across a suggestion that Adobe Drive might be the culprit; uninstalled that and *bingo* all is well again.

If you type "NET USE LPT1" (no arguments) and it returns "remote Name \\ADVirtualDisk\???", then that's the problem.

Hope this helps someone out there.