VS2015 nuget package manager not finding packages

Question

I installed VS2015 Update 2 and now nuget package manager does not find any packages outside of the "Microsoft and .net" package source. It looks like the nuget package source was removed. When I add it back as "http://www.nuget.org" I get an error "Unable to retrieve results from one or more sources". Anyone else having this problem?

Accepted Answer

The nuget.org package source is still there after the upgrade for me. But if it ever disappears you can add it back as:

Name: nuget.org

Source: https://api.nuget.org/v3/index.json

VS2015 nuget package manager not finding packages

Solution

Problem