Windows Remote Desktop uses 3389 as a default port for you to be able to access it from the outside world. They have to. They can't give every Windows user a unique port. It's up to Server / Network administrators to set it to something unique. This video gives you the "why" and the "how"
Watch video Remote Desktop Protocol - CHANGE 3389 Default Port online without registration, duration hours minute second in high quality. This video was added by user ServerMatter 02 June 2022, don't forget to share it with your friends and acquaintances, it has been viewed on our site 9,342 once and liked it 107 people.