You cannot create new Terminal Services sessions on a Windows Server 2008-based computer after you configure the “Maximum connections” option and disconnect some active connections

Symptoms
Consider the following scenario: You configure the Maximum connections option in the Terminal Services Configuration window in a Windows Server 2008 system.You make new connections until you reach the maximum number of connections.You disconnect some active connections.You try to create new Terminal Services sessions.In this scenario, you cannot create the new Terminal Services sessions. You also receive the following error message:

The client could not establish a connection to the remote computer.
The most likely causes for this error are:
1) Remote connections might not be enabled at the remote computer.
2) The maximum number of connections was exceeded at the remote computer.
3) A network error occurred while establishing the connection.
4) The remote computer might not support the required FIPS security level. Please lower the client side required security level policy, or contact your network administrator for assistance.Note You expect to be able to make new Terminal Services connections until the number of active Terminal Services sessions reaches the maximum limit.
Resolution
This problem occurs because the disconnected Terminal Services sessions are calculated incorrectly when the system determines whether the maximum connection limit has been reached.