To avoid pitfalls, administrators should adhere to several best practices. or PowerShell cmdlets (e.g., Set-RDLicenseConfiguration ) to modify licensing settings. These tools validate changes and update the registry safely. Second, never manually delete or edit license entries unless explicitly directed by Microsoft Support. Third, back up the registry keys before any maintenance, and ensure system state backups include the TermServLicensing hive. Fourth, keep detailed records of purchased RDS CALs separately from the registry, as the registry does not store proof of purchase. Finally, use the grace period only for temporary testing; never rely on registry-based resets in production.
You can also use the Microsoft Learn guide to verify if the server is properly configured via PowerShell as an alternative to registry edits. 3. Clear Cached Grace Period (Troubleshooting) rds cal license registry key
Some RDS registry keys are owned by NT SERVICE\TermService . To edit them, you must: To avoid pitfalls, administrators should adhere to several