Sub ShowUserRosterMultipleUsers()
Dim cn As New ADODB.Connection
Dim cn2 As New ADODB.Connection
Dim rs As New ADODB.Recordset
Dim i, j As Long

cn.Provider = "Microsoft.Jet.OLEDB.4.0"
cn.Open "Data Source=c:Northwind.mdb"

cn2.Open "Provider=Microsoft.Jet.OLEDB.4.0;" _
& "Data Source=c:Northwind.mdb"

\' The user roster is exposed as a provider-specific schema rowset
\' in the Jet 4 OLE DB provider. You have to use a GUID to
\' reference the schema, as provider-specific schemas are not
\' listed in ADO\'s type library for schema rowsets

Set rs = cn.OpenSchema(adSchemaProviderSpecific, _
, "{947bb102-5d43-11d1-bdbf-00c04fb92675}")

\'Output the list of all users in the current database.

Debug.Print rs.Fields(0).Name, "", rs.Fields(1).Name, _
"", rs.Fields(2).Name, rs.Fields(3).Name

While Not rs.EOF
Debug.Print rs.Fields(0), rs.Fields(1), _
rs.Fields(2), rs.Fields(3)
rs.MoveNext
Wend

End Sub