I can log on vie web browser, and log in. but cannot open an application.
On the server it shows the following errors;
AA-SERVER 1296 Error Microsoft-Windows-TerminalServices-SessionBroker-Client Microsoft-Windows-TerminalServices-SessionBroker-Client/Operational 1/31/2016 4:09:40 PM
AA-SERVER 1306 Error Microsoft-Windows-TerminalServices-SessionBroker-Client Microsoft-Windows-TerminalServices-SessionBroker-Client/Operational 1/31/2016 4:09:40 PM
AA-SERVER 802 Error Microsoft-Windows-TerminalServices-SessionBroker Microsoft-Windows-TerminalServices-SessionBroker/Admin 1/31/2016 4:09:40 PM
Local Computer Policy>Administrative Templates>Windows Components>Remote Desktop Services >Remote Desktop Session Host> RD Connection Broker >Configure RD Connection Broker server name
Do the same in GroupPolicy (GPedit.msc) on the 2012 server.
Also clear ALL other configuration in the 2012 server Local Computer Group Policy>Administrative Templates >Windows Components>Remote Desktop Services >Remote Desktop Session Host> Leave everything but the connection broker server NOT CONFIGURED
Run gpupdate from cmd