Figured it out, thought y'all might like to know what it was. Quite simply, it was just that our C: drive was full. LISTSERV is on D: drive, but there must be a temp directory for IIS that is on C: drive. When it's full, bulk operations (and who knows what else) don't work. Best, Al Iverson Al Iverson wrote: > > Hi, running LISTSERV HPO on NT 4. > > Using bulk operations on any list, any file of just about any size (i.e. > more than a few entries) when you try to upload a file into a LISTSERV > list, it errors with: > > Error parsing form data > > The page invoking this script used a file upload > request which the script was unable to parse. > > Not sure how to investigate this, any tips? The web server on the NT box > is IIS. Tried accessing LISTSERV from multiple computers, hoping it was > a client-side issue. Doesn't seem to be. > > Any tips or thoughts? > > Thanks, > Al Iverson