Welcome to the 1E Client 8.1 documentation space. Here, we describe all aspects of installing and configuring 1E Client. Here's a quick overview of what the 1E Client documentation pages will tell you.

The following list shows the current supported versions of 1E Client, and if relevant, their end of support date.

 - May 2023
 - December 2022
 - July 2022

The picture below shows the evolution of the 1E Client from a combination of other 1E Agents.

On non-Windows devices, 1E Client provides only Tachyon client features.

Introducing 1E Client

An overview of 1E Client features and modules. The 1E Client provides client functionality for Shopping, WakeUp, Nomad, and Tachyon.

Implementing 1E Client

Everything you need to know about deploying 1E Client in your network. This section is structured in a way that leads you through the three phases of a typical implementation project: Design, Install, Verify

  • Design Considerations

    Information that will help you design and plan deployment of 1E Client in your organization. Includes infrastructure dependencies for each 1E product supported by the 1E Client.

  • Requirements

    Information that will help you design and plan the implementation of 1E Client in your organization. This includes all the prerequisites and dependencies, which are necessary to install 1E Client.

  • Installing 1E Client

    How to deploy 1E Client. 1E Client provides Tachyon client features and client modules for Nomad, PXE Everywhere, Shopping/WSA, and WakeUp.

  • Upgrading to 1E Client

    Guidance for upgrading Tachyon and other legacy 1E agents to 1E Client. This page contains detailed steps for upgrading Tachyon Agent and a summary of considerations for upgrading other legacy agents. The 1E Client contains clients for 1E products and solutions, and their upgrade documentation should be consulted before upgrading their clients and agents.

  • Verifying

    Links to other 1E product documentation to verify or troubleshoot their features that are dependent on the 1E Client.


A general methodology for investigating issues with the 1E Client, as well as identifying key issues and their resolutions.

  • Client issues

    Troubleshooting common issues that you may be having with installation and configuration of the 1E Client.

  • Known issues

    Lists of the current known issues with implementing, configuring, using and extending Tachyon.


All the list type information, such as installer properties, in alphabetical lists etc.

  • Supported Platforms

    A list of all the platforms supported by 1E Client, and the software required to allow 1E Client to be installed or to work.

  • 1E Companion Products

    A list of the feature dependencies between 1E Client and other 1E companion products.

  • Communication ports

    Information about the communication ports required by each of the 1E Client features and modules, and their respective server infrastructures. Useful, if needed, for network and device firewalls.

    1E does not provide a combined diagram showing all components and features.

  • 1E Client configuration settings and installer properties

    Settings available in the 1E Client configuration file, with details of which settings are mandatory or optional during installation, and which settings can be re-configured post-installation.

  • 1E Client command-line parameters

    Command-line interface (CLI) parameters available to the 1E Client executable.

  • Log files

    Details of 1E Client log files.

  • 1E Client release information

    Details of the 1E Client release history, current release notes and details of third-party licenses.

  • Index

    This is an alphabetically sorted list of all the pages in the 1E Client documentation, which you can use if you want to find a particular named page and you don't remember where exactly it lives in the documentation structure.


Copyright and trademark notices

All rights reserved. No part of this document or of the software (“the software”) to which it relates shall be reproduced, adapted, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without permission from 1E Ltd. It is the responsibility of the user to use the software in accordance with this document and 1E Ltd shall not be responsible if the user fails to do so. Although every precaution has been taken in the preparation of this document, 1E Ltd and the authors assume no responsibility for errors or omissions, nor shall they be liable for damages resulting from any information in it.


1E, the 1E device, TACHYON, APPCLARITY, ACTIVEEFFICIENCY, NIGHTWATCHMAN, NOMAD BRANCH, NOMAD ENTERPRISE, PXE EVERYWHERE, DROWSY and DROWSY SERVER are trademarks belonging to 1E Ltd. 1E is registered in the UK, EU and the US. The 1E device is registered in the UK, EU, Australia and the US. NIGHTWATCHMAN is registered in the EU and the US. Nomad is registered in the EU and the US. DROWSY is registered in the UK. DROWSY SERVER is registered in the US.

MICROSOFT, WINDOWS, WINDOWS 7, WINDOWS VISTA, WINDOWS XP, SMS, CONFIGURATION MANAGER, INTERNET EXPLORER are all trademarks of Microsoft Corporation in the United States and other countries.

Mac is a trademark of Apple Inc., registered in the U.S. and other countries.