Check the NTFS permissions for these directories. Listserv has to have enough rights to manipulate the files. Remember that Win2k3 has permission inheritance from the parent directories, unless you turn that off. andrew Andrew Bosch, CCNA Senior Network Systems Analyst =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Evangelical Lutheran Church in America | Ph. +1-800-638-3522 x2492 (US) Department for Information Technology | Ph. +1-773-380-2492 (Worldwide) 8765 West Higgins Road | Fax. +1-773-380-2579 Chicago IL 60631-4101 >>> [log in to unmask] 12/30/05 12:32 PM >>> I am getting this error message whenever someone is trying to post to our lists. We just switched over to Windows 2003 server. Serious error occurred - traceback follows ------------------------------------------ >>> Error X'00D0002B' opening file E:\mbsbooks\systems\archives\HTML.CMSUT1