Mariano is playing with PowerShell and Dynamics GP
The Dynamics GP Blogster: “Get-Content : Cannot find path ‘C:\en-US\Welcome.txt’ because it does not exist” error when running GPPowerShellStart.ps1
Development & IntegrationInstall, Upgrade & AdminMicrosoft & the GP Ecosystem
Archived post from 2017. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.
