If you work for an organization that purchased RDS CALs under a Volume Licensing agreement, this is your primary source of truth.
Attempting to brute-force, crack, or reverse-engineer RDS license keys is illegal under the Microsoft Software License Terms and violates copyright law. Always use official Microsoft tools and channels to manage your RDS CALs.
Always document your Enrollment Number and Agreement Number . In the world of Microsoft licensing, these are often more important than the individual keys themselves when it comes to recovering lost seats.
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
Look for the string value . (2 specifies Per Device, 4 specifies Per User). how to find rds license key
Get-WmiObject -ClassName Win32_TSLicenseKeyPack -Namespace root\CIMV2\TerminalServices
If your server suddenly shows an error, keep in mind that Windows Server provides a standard 120-day Remote Desktop licensing grace period. Once that expires, users will be unable to log in until a valid license server is activated with proper keys.
Microsoft uses to activate the Remote Desktop Licensing Server itself. It uses License Codes or Agreement Numbers to install Client Access Licenses (CALs).
You won't find the key on a Microsoft portal. Your primary source of truth is the invoice or confirmation email sent to you by your reseller at the time of purchase. If you can't find the email, the simplest and most direct solution is to contact the reseller directly and ask them to re-send your license key information. If you work for an organization that purchased
If your server displays a "No Remote Desktop License Servers Available" error despite finding your keys using the steps above, check the following configuration points:
If you cannot prove ownership—perhaps the license was bought by an IT contractor who is no longer reachable, or the paperwork was lost years ago—Microsoft considers the licenses lost. In this scenario, you are legally required to purchase new RDS CALs.
Look for your Remote Desktop Services CALs to find subscription details and licensing information. 3. Check Physical Documentation (Retail/OEM Licenses)
The entries inside this key will give you the network names or IP addresses of the servers holding your actual RDS keys. Troubleshooting Missing RDS License Errors Always document your Enrollment Number and Agreement Number
Modern versions of Windows Server do not display the full 25-digit key pack ID once it is installed for security reasons. However, you can get the Licensing ID.
This ID is required when calling the Microsoft Clearinghouse or entering manual activation codes.
Once you have located your key or agreement details, you must activate them on your Windows Server. Open . Right-click your server and select Activate Server .