I believe I've run into this very thing in the past - I was NOT able to extend it. Had to rebuild the volume. - Bob Coffman -----Original Message----- From: windows2000-bounce@xxxxxxxxxxxxx [mailto:windows2000-bounce@xxxxxxxxxxxxx]On Behalf Of Herchenbach, Jim Sent: Friday, October 01, 2004 12:55 PM To: windows2000@xxxxxxxxxxxxx Subject: [windows2000] Re: Extending a basic disk let me rephrase the question. After I upgrade my basic disk to dynamic can I then extend this to disk to use unallocated space on the same disk. JIM HERCHENBACH RVW Inc.