"Olaf Gustafson" <none@dev.null> wrote in message
news:0re8u0dqkqflobr2oh6q95ophd8j6t2ogg@4ax.com...
> We're planning on upgrading from AIX 4.3.3 to 5.1 and IDS 7.24 to 9.4
> over the weekend soon.
>
> Does anyone else think this is a bit risky?
>
> I recall something similar happening where I used to work and it was a
> real pain trying to figure out which upgrade caused the problem (it
> was HP-UX though - don't remember the versions)

You've answered your own question IMHO.