Const ADS_PROPERTY_CLEAR = 1
Const ADS_PROPERTY_UPDATE = 2
Const ADS_PROPERTY_APPEND = 3
Const ADS_PROPERTY_DELETE = 4
‘Using PutEx to append addition values to multi-value attribute.
arrayValues(0) = CStr(3)
arrayValues(1) = CStr(4)
myObject.PutEx ADS_PROPERTY_APPEND, “myAttrib”, arrayValues
from: http://support.microsoft.com/kb/260251
So
objContainer.PutEx ADS_PROPERTY_APPEND, “member”, “CN=” & strUsername & “,” & strUserOU & “,” & strRootDSE
objContainer.SetInfo