EF Core 2.0 Migrations Not Recognized by Package Manager Console

I'm trying to add a migration for a .net core 2.0 web app through the package manager console in visual studio 2017. I receive the error: "The EntityFramework package is not installed on project ". However, EntityFrameworkCore 2.0 is installed.

I've tried:

• the enable-migrations command (although I don't believe this is necessary anymore)
• the add-migration command
• "Install-Package Microsoft.EntityFrameworkCore.SqlServer -Version 2.0.0" through the PMC
• re-installing entityframeworkcore 2.0 through the NuGet package manager

Is there some other configuration that needs to be done somewhere else?

Since EF Core migrations work on my .Net Core 1.1 project could this issue be related to .Net Core 2.0?

Cheers!