The configuration data for the RDS License Server is located here: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TermServLicensing\Parameters
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
If you have already installed licenses and need the specific ID for a "pack" of CALs: how to find rds license key
Look for a sticker on the product package or inside the box.
Method 2: Find the License Server ID via RDS License Manager The configuration data for the RDS License Server
# Define output file $outputFile = "C:\RDSLicenseReport.txt"
Before searching for a physical 25-character key, it is critical to understand that Microsoft Remote Desktop Services does not use traditional product keys in the same way Windows 11 or Windows Server OS does. how to find rds license key
Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\Registration
For modern RDS CALs (especially Server 2022+):
If your organization purchased retail tracking boxes or digital certificates through a third-party reseller, the key will not be in the Microsoft cloud portals. You will need to check:
The primary method to find your RDS license information depends on how you purchased the software. Microsoft 365 Admin Center (Modern Volume Licensing)