You can modify the session attributes from here for the users logging from terminal services. This includes setting the active/idle session limits and also the actions to be taken when a session limit is reached or connection is broken.
First, set the desired values for terminal session attributes and then apply the same to desired list of users.
Select the AD Mgmt tab.
Click the Sessions link available under Terminal Services. This opens the Modify Terminal Session Attributes of the users dialog.
Select the session attributes as required.
Select the domain and search the users. You can limit your search to specific OU's of the domain by clicking the Select OU link and selecting the OU's.
From the listed users, select the users for changing the terminal service session attributes and click Apply.
The change summary and the status of the modification can be verified.