| Symptom | Likely cause | Fix | |---------|--------------|-----| | Users cannot connect after 120 days | No license server configured | Set license server via GPO or local reg | | Event 2056 (license server unavailable) | RDSH cannot contact license server | Check firewall (TCP 135, 49152-65535), DNS, service status | | "No RDS CALs available" | Insufficient licenses | Install more CALs or reclaim unused ones (after 90 days) | | Per User CALs not issuing | License server not activated | Activate server or check licensing mode mismatch | | Temporary CALs only | Permanent CALs not available | Install proper RDS CALs matching OS version |
RDS Licensing is a frustrating but necessary gatekeeper. It forces organizations to be intentional about their remote access strategies. rds licensing
If you are currently stuck in "Licensing Hell" with red warning icons in your RD Licensing Manager, remember the checklist: | Symptom | Likely cause | Fix |
Once the invisible tollbooth recognizes your transponder, the road to a stable remote desktop environment becomes smooth sailing. Until the next audit, at least. Until the next audit, at least