![]() Using the IO Port was very attractive since it One solution I been exploring is using theVMXhIO port to query the I am looking for something an application can query which identifies the Seem too easy for a user to spoof by making many instances of particular So guest OS features like the bios or MAC addresses just Guest OS is configurable and easily replicated with thevmxandĬheckpointing. Something robust to very simple cheating. The case of Windows in a guest OS on VMWare is harder to design Numbers in the bios through WMI and treat the hash value as a UUID.Īlthough there is a risk a determined cheat could spoof their bios weĭecided that was an acceptable risk since bios spoofing is clumsy.Ībove a certain level of effort they could just edit our assembly and Windows running hardware, we can make a hash value from the serial Physical machine the app is installed with a UUID. So to implement the license policy requires us to uniquely identify each Their reasons are mission critical for them. The customer has taken that offtheytable and require us to do software Just counts concurrent licensed instances on the LAN. I am developing a new licensing feature for a desktop app.Ī typical solution to this problem is a stand-alone license server which I was hoping to ask for some design help on VMWare.
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