Repository sources are the locations from where package manager will be able to download and install packages. We need to manually define those locations in the package manager (managed machines), and we can define more than one. Then, VCM package manager will follow its process to download the packages.
We need the repository published to VCM, by following the Adding a repository to VCM recipe, and package manager data collected, in order to assign repositories to it.
Adding a source gives the package manager instance on the selected machines access to the packages available in a specified section. The sources are numbered by priority. When you add a new one, you can specify whether to add it to the beginning or to the end of the list. You can also remove sources.
By following these steps, we can add sources to package manager:
Log on to VCM Server with administrative privileges and go to Console | Windows | Operating...