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Device ID is not unique and changing over time

See original GitHub issue

Hi, thank you for the package. I am facing an issue, I am generating the IDs in a “service worker” in Windows Service mode using the below command. I am using the base package DeviceId without any other extension packages.

 new DeviceIdBuilder()
        .AddUserName()
        .AddMachineName()
        .AddMacAddress(excludeWireless: true)
        .ToString();

It works great but in a span of few hours (on the same network & machine) the generated ID gets changed.

Isn’t “Mac Address” is used as a seed to generate random string? Shouldn’t that be unique always?

Issue Analytics

State:
Created 4 months ago
Comments:10 (3 by maintainers)

Top GitHub Comments

1reaction

hey24sheepcommented, May 12, 2023

I think this should fix my issue. I will update later on.

NetworkInterface
                .GetAllNetworkInterfaces()
                .Where(nic => nic.OperationalStatus == OperationalStatus.Up 
                        && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback
                        && nic.NetworkInterfaceType == NetworkInterfaceType.Ethernet)
                .Select(nic => nic.GetPhysicalAddress().ToString())
                .ToList()

1reaction

hey24sheepcommented, May 10, 2023

Thank you, I will try it for a day or two and report back. Really appreciate your quick response.