PowerShell is a great tool. It helps in SharePoint administration and tasks automation. Today I needed to provision a webpart on many similar pages. This third-party webpart’s constructor instantiates a dataaccess service and uses a connectionstring which is stored in the web.config file. So the webpart creation failed until I found a way to load the configuration into powershell. First you can create a simple file powershell.exe.config, put it into $pshome (C:\Windows\System32\WindowsPowerShell\v1.0). In that file you can specify the connectionstring in the same way like in the web.config (or app.config). But it is not secure: the connectionstring can be changed in the future, and you really don’t want to copy your connectionstrings around. So there is a better way: Check out Ohad Israeli’s blog post about how a configuration file can be bound dynamically in a .net assembly: Binding to a custom App.Config file. In PowerShell you can do the same, all we need is to modify the syntax: StackOverflow: Powershell Calling .NET Assembly that uses App.config: