Your RDS CAL product key will be printed on a Certificate of Authenticity (COA) sticker . This sticker is often attached to the CD case or the documentation included in the product box. Make sure to store this in a safe place.
This guide covers how to retrieve your RDS license key from official Microsoft platforms, extract it from a live server, and verify your current licensing status. Understanding How RDS Keys Work how to find rds license key
If you own a classic 25-character product key: Your RDS CAL product key will be printed
Under the or Installation Method tabs, you can often see the License Server ID. This guide covers how to retrieve your RDS
Finding a Remote Desktop Services (RDS) license key—officially known as a License Server ID or a Client Access License (CAL) tracking number—depends entirely on whether you are looking for the key to install it, or trying to recover a key that is already activated on your server.