Client Name Instrumentation in Windows Server 2012 R2
Applies To: Windows Server 2012 R2
Client Name Instrumentation Overview
Windows Server 2012 R2 implements unique username tracking to measure the number of unique users connecting to and consuming Print/Fax services.
Client Name Instrumentation Limitations
User access logging (UAL) uniqueness is not guaranteed for LPD/LPR print jobs.
IPP and SMB scenarios will always show a user name with the localhost IP.
Named pipes are not logged.
Windows 8.1 RT clients connecting to v3 print queues will not be logged.