By Ellie / Last Updated June 29, 2022

The remote session was disconnected License Servers

A user said that he was facing the problem of “The remote session was disconnected because there are no Remote Desktop License Servers available to provide a license” when using Windows Server 2012. The problem made him unable to use the Remote Desktop anymore.

The Remote Session was Disconnected

When connecting to a remote session in Windows Server 2012, 2016, 2019, you may encounter the remote session was disconnected no License Servers to provide a license problem. The following shows you the causes and solutions to this problem.

Reasons for no Remote Desktop Licenses Servers available

There are three reasons for no Remote Desktop Licenses Servers available:

  • The Remote Desktop Server does not authorize the Remote Desktop to configure the Remote Desktop Licensing.
  • The system-default Registry Editor only allows a 120-day GracePeriod.
  • The licensing model and server name are not configured using Group Policy.

Solutions to no Remote Desktop Licenses Servers available

If there’s no Remote Desktop License Server available, you can open RD Licensing Diagnoser on Windows Server 2012, 2016, 2019 to check whether there is a problem with the Remote Desktop licensing configuration. First, you need to know how to open RD Licensing Diagnoser.

How to open RD Licensing Diagnoser

Navigate here: Control Panel > System and Security > Administrative tools > Remote Desktop Services > Remote Desktop Licensing Manager. If it is a Remote Desktop licensing or deadline problem, it will be displayed after the diagnosis by RD.

Licensing Manager

If the problem lies in licensing, then you need to reconfigure the RD licensing service. If the problem lies in the deadline, then you need to modify the time limit of the Registry Editor.

Method 1. Configure the Remote Desktop Licensing

If the problem lies in licensing, then you need to reconfigure the Remote Desktop Licensing.

Step 1. Open the Server Manager, right-click Add Roles and Features in the Manage.

Add Roles and Features

Step 2. Click Roles Services, choose to install the Remote Desktop Licensing, and fill in your personal information after the installation is complete.

Remote Desktop Licensing

Step 3. After installing the Remote Desktop Licensing, return to the Administrative tools, select the management tool, Remote Desktop Services.

Administrative Tools Remote Desktop Services

Step 4. Open Remote Desktop Licensing Manager.

Remote Desktop Licensing Manager

Step 5. Right-click the Server and select Activate Server.

Activate Server

Step 6. Click Next in the Activate Server Wizard to complete the installation of licensing. Then you have troubleshot the licensing problem.

Activite Server Wizard

Method 2. Modify the deadline of the Registry Editor

If the licensing configuration seems to be correct and the RD Licensing Diagnoser does not find any errors, it may be that the deadline of the Registry Editor has been limited. Before modifying the Registry, back it up in advance to prevent unrecoverable situations. 

Note: The following methods can only be used when you use RDS Server 2016 in a test environment. If you want to use RDS Server in a production environment, please continue to purchase RD CAL. 

Step 1. Press WIN + R, and enter “regedit” to open the Registry Editor.

Registry Wwindows 12

Step 2. Navigate here: HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Terminal Server > RCM > Licensing Core > GracePeriod. Then right-click it.

Grace Period

Step 3. In the Permission for GracePeriod window, select Administrator, tick Full control, and then click OK.

Permission for Grace Period

Step 4. After allowing Full Control for Administrators, right-click GracePeriod, click Delete, and click Yes on the Confirm Key Delete page. Then restart the system to make the registry take effect.

Confirm Key Delete

Option 3. Use Group Policy to configure the licensing model and server name

Step 1. Press WIN + R, and enter “gpedit.msc” to open the Local Group Policy Editor. On the left pane, navigate here: Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services.

Windows Components

Step 2. Find Remote Desktop Session Host and open it.

Remote Desktop Session Host

Step 3. On the right pane, find Licensing and open it.

Licensing

Step 4. Find Use the specified Remote Desktop license servers and double-click to open it.

Use the Specified Remote Desktop License Servers

Step 5. Switch Not configured to Enabled, enter the corresponding server name in the License servers to use, and click OK to complete the configuration.

Configure the License Server

When you encounter the remote session was disconnected License Servers problem using Windows Server 2012 R2, 2016, 2019, 2022, the above-mentioned methods can help you solve it. When using the built-in Windows program Remote Desktop Connection, you should avoid problems such as license agreement errors, which may lead to serious consequences of server failure.

AnyViewer: Best RDP alternative for Windows Server computers

Thus, we need a simple and fast method to avoid problems like the remote session was disconnected License Servers. At this time, we can choose a third-party remote control software, such as AnyViewer. It is perfectly compatible with multiple Windows versions, including Windows Server 2012 R2, 2016, 2019, 2022. Why it is the best RDP alternative for Windows Server computers?

It is easy to set up. You only need two steps to prepare your AnyViewer for remote control, signing up for it and logging into it. No more tedious setup process anymore.
It provides you with the easiest way to establish unattended remote access to remote computers.
It is developed by a strong technical team, providing you with a stable and fast connection.
It is secured by Elliptic Curve Cryptography (ECC) encryption, protecting your data from leakage during a remote connection.

Step 1. Download, install and launch AnyViewer on both computers. 

Download Freeware Win PCs & Servers
Secure Download

Step 2. Go to Log in, and then click Sign up. (If you already have signed up on its official website, you can log in directly.)

Log in AnyViewer

Step 3. Fill in the signup information.

Sign Up for AnyViewer

Step 4. Then you can see you successfully logged in to AnyViewer. Your device will automatically be assigned to the account you've logged in to.

Free Editions

Step 5. Log in to the same AnyViewer account on the two devices, then click Remote control to achieve unattended remote access.

Connect to My Devices

Notes:✎...
You can also upgrade your account to a Professional or Enterprise plan to enjoy more rights:
Faster file transfer speed. Transfer speed for a free account is 500 KB/s, and for a paid account is up to 10 MB/s.
More devices can be assigned to the same account for unattended remote access.
More Currently connected devices are displayed for connection history.
Connect in privacy mode to protect privacy.
Initial more concurrent connections to one computer.

Conclusion

This article shows you three possible reasons why you encounter the problem of “The remote session was disconnected because there are no Remote Desktop License Servers available to provide a license” when using Windows Server 2012, 2016, 2019. You can solve the problem by configuring Remote Desktop Licensing, modifying the deadline of the Registry Editor, or using the Group Policy to configure the license mode and server name, or you can directly use AnyViewer to realize remote control quickly and safely.

For the three solutions listed above, some operations may be troublesome for you and require a certain degree of computer operation ability, because improper operations may cause other problems. And users also reflected that they often encounter problems like your credential did not work, user account did not work, and clipboard did not work when using RDP, making it more difficult to use it. Compared to those solutions, AnyViewer is easy to operate. It allows you to work freely anytime and anywhere, saving you time and improving your work efficiency.