The length of time Acoustic™ Tealeaf waits for services to stop after notifying the service that the system is shutting down is set automatically by the Tealeaf CX installer program.
You can reset the time that Tealeaf waits for services to stop after notifying the service that the system is shutting down by editing the registry entry HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control WaitToKillServiceTimeout
.