Nuget.config with multiple sources causes installation failures

[robertburgh]

dotnet tool install and dotnet tool update fail when nuget.config has multiple sources that are authenticated

This is repeatable and tested on multiple PCs and VMs.

Examples: Packages such as Microsoft.dotnet-interactive fail to install from CLI or as part VS 2022

Also dotnet tool update -global dotnet-ef fail

A walk though is below:

List the dotnet tools – looking for dotnet.interactive – it isn’t on the list, but it is should be:

Attempt to install fails:

nuget.config:

Temporarily remove several items (Telerik and Devexpress)

Abile to install:

Updated ef: