How can i stop employees using my corporate TeamViewer licence at home?

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Hello,

Our support team use TV Corperate to connect to our clients' PCs to support them and collect data. However we are currently undergoing ISO 27001 compliance and we would like to lock down our TeamViewer licence so that it is not possible to run our licenced version on any PC that is not within our LAN IP Range.

As an example, if a support technician was to install TV and tried to use our licence credentials it should fail to log in as they are not on our LAN. This is to stop the potential of data breaches from a rouge employee.

Thanks