Installed licences can be deleted in different ways as described in the following steps:


You could do something like this from your code:

NET (C#)

DicomLicense.DeactivateOnline(CustomerInfo1, CustomerInfo2)


DicomLicense.DeactivateAll(CustomerInfo1, CustomerInfo2)


Dim lg As New DicomLicenseGlobal
lg.CurrentLicense.DeactivateOnline(CustomerInfo1, CustomerInfo2)

XDS (C#)

XdsLicense.DeactivateOnline(CustomerInfo1, CustomerInfo2)

CustomerInfo1 & CustomerInfo2 are useful fields which are passed to our accounts department to inform them of which machine has been deactivated.

Use our Licence manager  tool

You could download the sample project from our examples page, the Licence Manager project is a simple GUI that runs the above commands:

Instructions on licence activation can be found here:

Activating licences

If you have any problems deleting licences, please email us at