Not able to start LR agent process with multiple terminal sessions, even when --> Enable Terminal Services--> is checked, after patch 1 installation on top of LR 11.52.
This is because of an issue with the magent process on patch 1.
Close all LoadRunner components.
Navigate to C:\Program Files (x86)\HP\LoadRunner\launch_service\bin and take a backup of the current magentproc.exe file.
Download from this KB article, the file magentproc.zip which contains the updated version of magentproc.exe, copy it into C:\Program Files (x86)\HP\LoadRunner\launch_service\bin
Restart the machine.
Configure the agent to “Enable Terminal Services”