Question: I need to run some Active Directory queries with a new ASP.NET Core 2.0 web application. Microsoft's documentation says the System.DirectoryServices.AccountManagement [libraries are available](https://learn.microsoft.com/en-us/dotnet/api/?view=netcore-2.0&term=System.DirectoryServices) as part of .NET Core 2.0. 

How do I find the associated packages in NuGet which include this namespace? The only one I see in NuGet is an unsupported library by someone other than Microsoft.

Answer: 
I have a better solution for this thread. I found a Nuget package (it's in Pre-Release) called "Microsoft.Windows.Compatibility" that provides the System.DirectoryServices namespace you are looking for. Just search Nuget, make sure you have the Pre-Release option checked, and you will find it. Most everything will work once you get it. Just make sure to update the package later on, when it's finalized. Hope that helps someone, took me a couple weeks to track it down.
There is a pre-release version for System.DirectoryServices. You can get it from NuGet package manager using this command:

> 
> Install-Package System.DirectoryServices -Version
>  4.5.0-preview1-25914-04
> 
> 
> 

This is working fine for me till now.