Here you will find examples of how to create Configuration Manager <unspecified> Console WQL queries to return users full names as well as their Login ID name.
All Users And All Machines
Select
S.Name,
U.UserName,
U.FullUserName
From SMS_R_System S, SMS_R_User U
Where S.LastLogonUserName = U.UserName
Prompts For Full Name
And FullUserName = ##PRM:SMS_R_User.FullUserName##
Prompts For Logon Name
And UserName = ##PRM:SMS_R_User.UserName##
Prompts For Machine Name
And Name = ##PRM:SMS_R_System.Name##
No Comments