I guess when you want to run software than only runs on Windows, such as IIS.
You won't find them here, but there are plenty of Windows-only IT service providers out there. It seems crazy that any system administrator, or programmer, in 2019 would only have any interest in Windows, but they exist and there are a lot of them out there.
You won't find them here, but there are plenty of Windows-only IT service providers out there. It seems crazy that any system administrator, or programmer, in 2019 would only have any interest in Windows, but they exist and there are a lot of them out there.