BNSF Emulator : Common Problems & Solutions – A Brief Guide

BNSF emulator is a remote access tool designed exclusively for the BNSF employees. BNSF stands for Burlington Northern Santa Fe Railroad. For the emulator to run, you need Java. This could get pretty frustrating for iOS and Android users as both the platforms do not support Java. 

So, you are going to need either a Windows or Mac computer.

To use the BNSF emulator you need to visit the link and enter your login credentials. Here is a quick rundown of the BNSF requirements, challenges and solutions.


Minimum Requirement to Run BNSF Emulator

  • Any web browser with Java support
  • You can use the most common browsers such as Google Chrome, Mozilla Firefox or IE 6.0 or above
  • Virtual Java Machine.

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Most Common Problems and Solutions Related to BNSF Emulator

There are no changes to “Burlington Northern Santa Fe Mainframe Emulation”

Update your computer with the latest updates available. If this still does not solve the problem, you may need to reboot the computer, clear the disk cache as well as we the memory. Make sure you close the BNSF emulator and restart the browser.

Getting redirected to the login window in spite of supplying the correct login credentials

It could happen due to the firewall settings. Make sure that you have given access permission to the website. You can open the emulator from another source besides

I am getting the error ‘invalid token’

It is best to check with the BNSF security team to resolve this issue.

I do not see the actual emulator; I can only see the 3270 buttons

Access the 3270 icon and click on maximize. You should be able to see the full-screen now.

Most Common Problems Related to Browser and Their Solutions

Most of the browser related issues are taken care of by installing the latest version of the browser. Firefox, Chrome and IE are the most commonly used browsers. Make sure that you are using the latest versions and you will be able to take care of most problems. Here are some of the common problems and solution.

How to obtain the ID and password for BNSF emulator?

You will need to speak to your supervisor to obtain the login credentials. However, if you have forgotten your credentials or lost them, you will need to get in touch with the Mainframe Web Team.

The emulator would not accept my login credentials. What do I do?

You should be able to log in once the applet has loaded. However, if you are still not able to log in, it means either your ID or the password has changed.

How to locate the PF Key buttons on the emulator?

There are some monitors that are incapable of displaying the PF key buttons. Some monitors are not able to display all of the data on the same page. If you need to see all of the data on the same page, you will need to decrease the size of the font. However, with the current monitor screen and size it is not possible.

I have opened another mainframe emulator buy my settings aren’t getting saved

If you want to save the changes you made, make sure you save the ‘user settings’ by going to the file menu. All the data will thus be saved on your PC or Mac.

How do I print the display on the screen from the emulator?

Printing is pretty easy. All you need to do is go to the File menu and click on the Print option. Follow the simple instructions and you can get the printout.

My emulator freezes up and does not accept the input

You may need to reset the emulator. You will see a button there that allows you to restore the program.

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How do I contact BNSF emulator support?

You can call the toll free number 1800-HELP649 or 1-800-893-4357. However, the support will only be able to help you regarding the outage. They will not be able to help with problem related to mainframe.

Here are some of the errors you can call them for: “.OC://WebConnect server has disconnected client. As” and .PSC4”.

When you call support, make sure you are ready with the following info:

  1. Name
  2. Contact Number
  3. Description of the Problem
  4. Exact Error Messages
  5. Phone Number and ISP Name
  6. Name of Your Internet Browser and its version
  7. Computer Operating System
  8. Date and time when you were trying to use the emulator

Also read: Tekkibytes’s Article on How to Run Android Apps on PC in 2 Minutes

Mainframe Access for Android and iOS devices

An app will be made available soon to allow the access of BNSF emulator on the Android and iOS devices. It will have a cloud browser and it will be named ‘VirtualPC.’ It is already in use by many companies and is quite effective.

Once you have installed the BNSF emulator on your mobile device, here are a few things you will need to follow:

  • Like the BNSF page on Facebook and follow them on Twitter
  • Open your browser and enter
  • Tap on the ‘3270’ icon
  • At the bottom tap ‘’

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