But where, exactly, do you find this key? Unlike a Windows desktop product key printed on a sticker, an RDS license key (often called a "License Code" or "Key Pack ID") is elusive. It lives inside activation wizards, email inboxes, and Microsoft’s sprawling Volume Licensing Service Center (VLSC).
| Term | Description | Example Format | | :--- | :--- | :--- | | | A 16-digit number you type to add licenses to a server. | ABCDE-FGHIJ-KLMNO-PQRST | | RDS CAL (Client Access License) | The actual right for a user or device to connect. | Per User or Per Device | | Product Key (Old RDS) | Used for older servers (2008/2012) via telephone activation. | 5x5 alphanumeric | how to find rds license key
Before we start searching for the license key, let's quickly cover what it is and why you need it. RDS, formerly known as Terminal Services, is a technology that allows multiple users to remotely access a Windows server or desktop. To use RDS, you need to have a valid license key, which is usually provided by Microsoft or a licensed reseller. But where, exactly, do you find this key
: If you purchased through a reseller (like CDW or Pax8), the activation details—including the "License Key Pack ID"—were likely sent as an email attachment or included in your order confirmation. The Licensing Manager Server : If the licenses are already active, you can find the License Server ID by opening the RD Licensing Manager | Term | Description | Example Format |
If you cannot find your 25-digit key and don't have access to your Volume Licensing portal, you have two options: