If we need more than two users simultaneously log into the server we need to have Remote Desktop Licensing (RD Licensing), formerly Terminal Services Licensing (TS Licensing), which manages the Remote Desktop Services client access licenses (RDS CALs) for users to connect to a Remote Desktop Session Host (RD Session Host) server. Applies Toīy default only two concurrent active rdp sessions are allowed on a windows server editions like 2012,2016 or 2019. There is no noticeable changes in the Steps we follow for any of these Windows Server Editions. The steps are almost identical on each windows server editions. We can also use same steps if we have windows 2016 or 2012. In this blog post we will discuss on Installing and Configuring a Remote Desktop License Server (RDS CALs) on Windows server 2019.