Virtualization affords businesses the ability to retain their applications and data on their own servers. Existing license agreements are generally silent on the issue. This means the individual licenses for each of the applications must be carefully reviewed to ensure there is no language that would prevent operation in a virtual environment. In some cases, the licensor may have to be contacted to ensure virtualization will not result in a breach of the license. Before your business becomes the subject of an audit, conduct an audit of your own to ensure the relevant license agreements do not preclude use of the.”]
Source: https://www.csoonline.com/article/2136585/virtualization-and-the-desktop.html