The custo diagnostic software is from version 4.0 protected by a license stored on a CodeMeter dongle. It could be a hardware dongle as shown below, or a software dongle (CmAct).



The dongle could be placed on the local PC or on the server.

Placement of the dongle on the server
If you place the dongle on the server on which custo diagnostic is installed the drivers for the dongle are already installed.
In case a dongle is not recognized you can install the drivers as shown in this Video make sure you install it as a Administrator

The following settings should be done in the Codemeter program on the server, see this Video for the correct network port and and the server setting. Make sure the Firewall is switched off

Find Local Dongle
To find a local dongle you can watch this instruction Video

Find dongle on server
If the server is know you can find the key on the server as shown in this Video

What license is the dongle activated for
You can always check the license number by using  the number on the hardware key as shown on this Video and than see for which the license is activated in this Video.
If you do not have an account at the customed.de website you can register, herewith a short Video that shows you where and how.

Update a license
To update a license you can follow the procedure in this Video.