In Notes.Net the information is not clear, in a document I have found V4 as a requirement "http://www.lotus.com/products/domworkflow.nsf/a1d792857da52f638525630f004e7ab8/7e017bfbc359915585256c0d004c32ba?OpenDocument" and in an other document I have found V4R5 as a requirement "ftp://ftp.lotus.com/pub/lotusweb/product/lotusworkflow301/Lotus_Workflow_3.0.1_Brief.pdf" Does anybody know which document is the correct one????