Wibu Dongles

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TUFLOW Products are licenced via Codemeter locks, available in three forms; WIBU USB-2 Dongles (Hardware lock), WIBU Software Licences (Software lock) and WIBU Cloud locks.

  • WIBU Hardware Lock: WIBU hardware locks are physical dongles (USB-2) that contain TUFLOW licences. Licences are coded onto the dongle and can be moved between computers. WIBU hardware locks are recognised by the 2006-06-BD release onwards.
  • WIBU Software Lock: WIBU software locks are coded onto the computer's or server's motherboard, it cannot be transferred to a different host. WIBU software locks are recognised by the 2016-03-AF release onwards.
  • WIBU Cloud Licence: WIBU cloud licences are available for Network licences, and a hosting on the WIBU cloud server. An internet connection is required to access a cloud licence. WIBU Cloud licences are recognised by the 2016-03-AF release onwards.

The following pages provide details how to install, update and manage TUFLOW licences using all of the above forms.


Installing CodeMeter RunTime Kit

The first step in using the Wibu licence is to install the CodeMeter Runtime Kit. This needs to be installed for any computers that will be running TUFLOW as well as for the network licence server.
The latest version of CodeMeter can be downloaded from CodeMeter site:

Once installed the configuration depends on if the TUFLOW licence is a local, network or software licence.

  • If this is the first time the licence has been used, or your existing licence has expired. You will need to update your licence file. Please progress to the Request a licence update section
  • If there is already an active licence associated with the dongle:

Silent Install

It is possible to do a silent install of the CodeMeter Runtime kit. CodeMeter support staff have advised that this can be done with the following parameters:
CodeMeterRuntime.exe /ComponentArgs "*":"/qn"

Installing CodeMeter RunTime Kit for Linux

If you are installing on a Linux computer from the command line, refer to:

Configuring Network Server

If the TUFLOW licence is a network licence, the computer hosting the dongle will need to be configured as a TUFLOW server. This is required even if the simulations are to be performed on the server. Instructions for configuring the network licence are detailed in the following page:

Configuring Access to Network Licence

To access TUFLOW licences on a remote network server, the CodeMeter runtime kit needs to be installed on the client machine. Once installed, CodeMeter needs to be configured to use the network licence. Instructions for configuring the network licence are detailed in the following page:


There are a number of reasons that the Wibu licence may need to be updated, for example:

  • To add additional modules
  • To update to new support year
  • To add rental licences

For each change to the dongle, it will be necessary to provide a licence update request file to the TUFLOW staff.
The procedure is the same for local and network licences, the request will need to be generated from the computer which has the dongle plugged in.

Request a licence update

The instructions for creating a licence request differ slightly depending whether the dongle has not previously been coded for TUFLOW simulations or if the dongle has not been provided by BMT.
Hardware Licence (USB)

Software Licence (File)

After creating the licence update request, please email the created file (.WibuCmRaC) to sales@tuflow.com.
Cloud Licence

  • Contact sales@tuflow.com.

Import a licence update

Once a licence update has been created, an update file will be provide to you via email. This update file will have the extension .WibuCmRaU. The same method is used for network, local and software licences.

Hardware Licence (USB)

When an update is applied, this modifies the content of the dongle, it does not need to be applied on each computer that will be used for TUFLOW modelling!
Software Licence (File)

Cloud Licence




When the CodeMeter runtime kit is installed a diagnostics utility call cmDust is also installed. Instructions for creating a diagnostics file:

Enabling Logging

Codemeter allows you to write extended log files to you local drive. To setup these features:

Enabling Network Server License Monitoring

Codemeter allows you to conduct real-time licence network monitoring. To setup these features:

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