All I know is we're using Backup Exec version 9, running incrementals Sat-Thurs and a full on Friday. I go into the media tab, and under media sets on the left I see all monday 1, monday 2,.....tuesday 1, tuesday 2.... listed. can you tell me what the allocated & modification dates mean, (under the media properties-management). i know it was originally setup for one tape each day for 4 weeks of rotation (with friday being 2 tapes on the full). but there are a couple tapes/days without a media label number. is there beginner documentation for this stuff, if so where? thank you very much