Specifies the total amount of user-mode execution time, in 100 nanoseconds, for all active processes associated with the ...

Specifies the total amount of user-mode execution time, in 100 nanoseconds, for all active processes associated with the job (as well as all terminated processes no longer associated with the job) since the last call that set a per-job user-mode time limit.   This property is set to 0 on creation of the job, and each time a per-job user-mode time limit is established