If your grace period has expired and you need emergency access to a server, there's one legitimate method for connecting without CALs: the /admin switch. By launching Remote Desktop Connection with mstsc.exe /admin , you can establish an administrative session even after the grace period has ended, bypassing the need for a CAL.
To see remaining grace period:
If budget constraints are an issue, consider these compliant strategies to minimize your Remote Desktop infrastructure costs:
Understanding what happens when you run Windows Server 2019 RDS without proper licensing beyond the grace period is important:
To leverage the 120 days of free RDS usage, you must install the Remote Desktop Session Host role. Follow these steps: 1. Install the RD Session Host Role Open the dashboard. Click Add roles and features . Select Role-based or feature-based installation . Choose your local server from the server pool.
| Feature | Per Device CAL | Per User CAL | | :--- | :--- | :--- | | | Physical device | User in Active Directory | | Best for | Multiple shifts using same computers | Users with dedicated devices | | Tracking | Tracked by license server regardless of AD membership | Tracked by license server (requires AD) | | Revocation | Up to 20% can be revoked | Cannot revoke | | Temporary license | 52–89 days initially | Not available | | Overallocation risk | Cannot be overallocated | Can be overallocated (compliance risk) |
Purchase the appropriate RDS CALs for your environment. At approximately $10 per CAL per month , the cost is modest for most businesses. If 10 users cost $1,200/year, consider that downtime from illegal software — including potential lawsuits, fines, and security breaches — will cost far more.
Select the tab, choose your licensing mode (Per User or Per Device), and add your license server's network address. 4. The Risks of Third-Party "Free License" Cracks
This is the full multi-user environment (formerly known as Terminal Services).