David Komanek <xdavid@lib-eth.natur.cuni.cz> writes: > 3. KDC is on Irix 6.5.20. Clients from Tru64Unix 5.1a are not Well it sure sounds like some OS problem. It does work for us with 5.0A. What I know differs is that they finally integrated IPv6 in 5.1, so it might have something to do with that. Did you try tcpdump? /Johan