Sample script that searches Active Directory for all the printers with more than 32 megabytes of installed memory. The printMemory attribute is not replicated to the Global Catalog, meaning you cannot connect to a Global Catalog server and search across the forest for printers with a specified amount of installed memory.

Visual Basic
Edit|Remove
On Error Resume Next

Const ADS_SCOPE_SUBTREE = 2

Set objConnection = CreateObject("ADODB.Connection")
Set objCommand =   CreateObject("ADODB.Command")
objConnection.Provider = "ADsDSOObject"
objConnection.Open "Active Directory Provider"
Set objCommand.ActiveConnection = objConnection

objCommand.Properties("Page Size") = 1000
objCommand.Properties("Searchscope") = ADS_SCOPE_SUBTREE 

objCommand.CommandText = _
    "SELECT Name FROM 'LDAP://dc=fabrikam,dc=com' WHERE objectCategory='printQueue' " & _
        "AND printMemory>=32768"
Set objRecordSet = objCommand.Execute

objRecordSet.MoveFirst
Do Until objRecordSet.EOF
    Wscript.Echo objRecordSet.Fields("Name").Value
    objRecordSet.MoveNext
Loop