How to get TFS2015 Build (Build.vnext) and NuGet package restore to use custom package sources

Question

I\'m trying to get our TFS2015 Build (TFSBuild vnext) going along with VS Team Services.

Thus far most blogs and documentation has been helpful, except for when try

Answer 1

One solution (works for me) is change account for tfs 2015 build agent service (on my build machine VSO Agent tsf.Agent-PC) to tfsagent, for example, and add Nuget.config to the C:\Users\tfsagent\AppData\Roaming\Nuget. That's all!