For Windows Server 2008 R2 and later, automatic license server discovery is no longer supported. You must explicitly specify a license server for each RD Session Host server using Remote Desktop Session Host Configuration or Group Policy.
Before digging into the system, it helps to understand what specific "key" or "ID" you actually need:
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How to Find Your RDS License Key: A Step-by-Step Guide If you’re setting up a Remote Desktop Services (RDS) environment or moving your setup to a new server, you know that the "License Key" (often referred to as the Product Key or License Code) is the golden ticket that keeps everything running. Without it, your users will get booted once the 120-day grace period expires. how to find rds license key
For CSP purchases, navigate to , click on Windows Server Remote Desktop Services , and select the appropriate product version from the drop-down menu.
Once you have your numbers, you must install them on your RD Licensing Server:
If you have the agreement number, Microsoft support can re-send your key information. For Windows Server 2008 R2 and later, automatic
Microsoft has transitioned volume licensing capabilities from VLSC (Volume Licensing Service Center) to the Microsoft 365 admin center, except for legacy agreements. Use the ( admin.microsoft.com ) to locate your keys.
Look for a physical paper certificate mailed by Microsoft or your distributor containing an Authorization Number and a License Number . Troubleshooting: What to Do If You Lost Your Key
Always download the "License Summary" PDF from VLSC and store it on a network share. Without it, your users will get booted once
If you cannot find the key:
Azure typically uses the Microsoft Customer Agreement (MCA) or Enterprise Agreement (EA) for licensing.