Set up multiple RDP connections simultaneously on Windows 10 Pro.
Set up multiple RDP connections simultaneously on Windows 10 Pro.
Set up multiple RDP connections simultaneously on Windows 10 Pro.
The article was found through a search, but it also provides a detailed walkthrough for alternative solutions. Taking the time to look it up beforehand would have saved you significant effort.
A functional fix exists—essentially a workaround (file changes vary by Windows version). It works and is straightforward to locate. @suchamoneypit provides a link to an alternative method. The first choice in that link might not apply; look for sites offering updates for all Windows versions (link).