WMI：Windows Management Instrument
WMI Tasks:
1、Accounts and Domains
①determine the domain in which a computer belongs：
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" _
& strComputer & "\root\cimv2")
Set colSettings = objWMIService.ExecQuery _
("Select * from Win32_ComputerSystem")
For Each objComputer in colSettings
msgbox "System Name: " & objComputer.Name
msgbox "Domain: " & objComputer.Domain
Next
②determine whether a computer is a server or a workstation：
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" _
& strComputer & "\root\cimv2")
Set colComputers = objWMIService.ExecQuery _
("Select DomainRole from Win32_ComputerSystem")
For Each objComputer in colComputers
Select Case objComputer.DomainRole
Case 0
strComputerRole = "Standalone Workstation"
Case 1
strComputerRole = "Member Workstation"
Case 2
strComputerRole = "Standalone Server"
Case 3
strComputerRole = "Member Server"
Case 4
strComputerRole = "Backup Domain Controller"
Case 5
strComputerRole = "Primary Domain Controller"
End Select
msgbox strComputerRole
Next
③determine the computer name：