Ron, We had the same DUO issue (we had an mp) . One of the sysprogs had to write a program that cleared out DUO Area in low memory(yech). Duo was one of the poorer written utilities (not a good term) that didn't transfer well from Mvt to MVS.
Ed ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html