Last Updated: As of June 2026, Microsoft continues to migrate licensing to the M365 admin hub. Always check both VLSC and Microsoft 365 centers if you cannot find your key immediately.
# Get RDS Licensing information $licenseInfo = Get-WindowsFeature | Where-Object Name -eq RDS-LICENSING how to find rds license key
You will see a list of installed license packs. While this won't show you a raw "product key," it will display the License Program , the Agreement Number (or Authorization/License numbers), and the quantity of CALs. These numbers are what you actually need if you ever have to rebuild the server or move the licenses. 2. The Microsoft 365 Admin Center (Formerly VLSC) Last Updated: As of June 2026, Microsoft continues
Unlike a Windows product key, an is not stored as a plain, reusable string on the license server. Once you install a license pack using a key pack (often called a “license code” or “agreement number”), the server stores only the license count and details—not the original product key you entered. While this won't show you a raw "product
Always download the "License Summary" PDF from VLSC and store it on a network share.
| Your Situation | Action Step | | :--- | :--- | | | Use licmgr.exe to get the Key Pack ID (for reference only). | | You have an old receipt | Search email for VLSC link & download the 25-char key. | | You have a Volume Agreement | Log into VLSC > Product Keys > Filter "RDS." | | You have a Cloud Subscription | Check M365 Admin Center; use PowerShell for tokens. | | Server crashed, no backup | Call Microsoft with your Agreement Number for Key Pack ID recovery. |