Select your specific agreement or software download to view the . Check Your Original Invoice or Documentation
Which did you use to buy the CALs (e.g., Retail, CSP, Open Value, Enterprise Agreement)?
Before diving into the "how," it's important to clarify what an "RDS license key" actually is. There are two main components you'll encounter:
Use the command prompt as administrator and run slmgr /dli to see the current license edition and channel (e.g., Retail or Volume). How to Use the Key to Install Licenses
Alternatively, you can also check your Active Directory (AD) for the RDS license key. To do this: how to find rds license key
The licensing mode on your RDS Session Host must match the licenses you've installed.
This is your primary dashboard for all RDS licensing activity on your server.
For licenses purchased through the Microsoft Business Center or a Cloud Solution Provider (CSP), you'll find your license information in the Microsoft 365 Admin Center.
Always store your license keys in a secure, digital password manager, not just in emails. Summary Table Purchase Method Where to Find License Key Volume License Microsoft VLSC / M365 Admin Center Retail/Reseller Purchase Email / Physical Card Cloud/CSP Microsoft 365 Admin Center / Partner Portal Azure Included (No key required) Select your specific agreement or software download to
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If you have a 35‑digit License Server ID rather than a 25‑digit product key:
Look for the string values specifying the network names or IP addresses of your licensing infrastructure. Summary of Terms Needed for Activation
Write-Host "Report saved to $outputFile" There are two main components you'll encounter: Use
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.
If you encounter error 800 when trying to register RDS CALs on the Microsoft Clearinghouse website, this often indicates a Product ID (PID) mismatch between your server and the Clearinghouse database. Solutions include:
Get-WmiObject -Class Win32_TerminalServiceSetting -Namespace root\CIMV2\TerminalServices Use code with caution.