Monitors run in Windows Terminal Services sessions by default. Note that multiple Terminal Services sessions are only supported by Windows Server operating systems. Other Windows operating systems like Home or Professional editions support only limited Terminal Services sessions.
The execution server can be run either as a Windows service or a Windows process. In most instances this is preferable since it is active even when a user logs off, which means the execution server is always available, unless the computer is powered off. However, the Windows service is launched using the default system account and this may not always be suitable-for example, launching certain executables within a monitor may require particular users' credentials. In such instances it may be necessary for the execution server to be launched as a Windows process-this uses the credentials of the currently logged in user.
To start the Performance Manager execution server as a Windows process: