Error: Could not load file or assembly Microsoft.Management.Infrastructure

[fairking]

DeviceId: 5.3.0 Running the app on windows 10 I have the following error:

 Could not load file or assembly 'Microsoft.Management.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. The system cannot find the file specified.
File name: 'Microsoft.Management.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'
   at DeviceId.Internal.Wmi.GetValues(String className, String propertyName)
   at DeviceId.Components.WmiDeviceIdComponent.GetValue()
   at DeviceId.Formatters.HashDeviceIdFormatter.<>c.<GetDeviceId>b__3_1(IDeviceIdComponent x)
   at System.Linq.Enumerable.SelectIPartitionIterator`2.PreallocatingToArray(Int32 count)
   at System.Linq.Enumerable.SelectIPartitionIterator`2.ToArray()
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at DeviceId.Formatters.HashDeviceIdFormatter.GetDeviceId(IEnumerable`1 components)
   at DeviceId.DeviceIdBuilder.ToString()

My code looks like this:

var systemId = new DeviceIdBuilder()
                .AddProcessorId()
                .AddMotherboardSerialNumber()
                .AddSystemUUID()
                .AddOSInstallationID()
                .UseFormatter(new HashDeviceIdFormatter(() => MD5.Create(), new Base64UrlByteArrayEncoder()))
                .ToString();

Is it a bug or am I doing something wrong? Appreciate any help.

[MatthewKing]

This is an issue with the Microsoft.Management.Infrastructure package.

It only ships with the following runtimes:

If you're using a different runtime it won't work.

Your options are:

• Use DeviceId.Windows.Wmi instead.
• Use one of the runtimes supported by the MMI package.
• Raise an issue on the MMI repo, asking MS to support more generic runtimes. I believe this has already been done and the answer was "no", unfortunately.

[fairking]

I don't understand. I would rather write my own code then. Without any dependency. Just based on System.Management. This library is not compatible with windows as I understand.

[MatthewKing]

It is compatible with Windows.

DeviceId.Windows.Wmi uses System.Management. This is the one that the readme recommends that you use. DeviceId.Windows.Mmi uses MMI, but it's not recommended (for the reasons you've seen above) unless System.Management is not available for your use case. If you're able to use System.Management then just use DeviceId.Windows.Wmi.

[fairking]

Ok, I switched to v6.0 and the following example is working on Windows (runtime win-x64) 👍

            string systemId = new DeviceIdBuilder()
                .AddMacAddress()
                .AddOsVersion()
                .OnWindows(windows => windows
                    .AddProcessorId()
                    .AddMotherboardSerialNumber()
                    .AddSystemUuid())
                .OnLinux(linux => linux
                    .AddCpuInfo()
                    .AddMotherboardSerialNumber()
                    .AddProductUuid())
                .UseFormatter(new HashDeviceIdFormatter(() => MD5.Create(), new Base64UrlByteArrayEncoder()))
                .ToString();

Thanks a lot for your help. 🥇

[MatthewKing]

Glad you got it going!