“A major show stopper is that TSM 7.1 does not support TSM 5 clients/servers/agents.”
One should note that ”not supported” is not the same as ”not working” which makes this a not-so-major show stopper. We still have a bunch of TSM 5.4.x clients and even a 5.3.0.15 happily backing up to a 7.1 server. - Bent