Dear all, Thanks very much to those who replied to this, In the end I used fips20 which did the job very well, including leaving the hibernate partition untouched which I had never believed it would do. clare -- Clare Johnstone, University Communications Services, The University of Western Australia, 35 Stirling Highway CRAWLEY WA 6009 Tel +61 8 9380 2607, Fax +61 8 9380 1109, Internet clare@ucs.uwa.edu.au