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
Alternatively you could also add a NuGet Installer build step before the Visual Studio Build step in your build configuration to restore all NuGet packages.
NuGet Installer
Visual Studio Build
There you can pass the location of your private repo as argument to nuget.exe:
nuget.exe
-source "https://www.nuget.org/api/v2/;http://mynugetserver"