We have been doing all the time since ours is a gov site.Its nothing unusual to run whatever Oracle comes out with on same server. We infact run muliple vesions of Oracle Application servers also (...OAS,9iAS,10gAS ) on same server as we can afford to blow away what all you pay as taxes and yes its run by cheap... Keep Posted Ankur Shah Quoting Tracy Rahmlow <tracy.rahmlow@xxxxxxxx>: > We are in the process of upgrading several databases from 8i on AIX 4.3.3 > to 9 on AIX 5.2 or 10g on AIX 5.2. The target version depends upon > whether or not the application is supported on 10g or not. If not will be > migrating toward 9. > The manager of the unix area has indicated that he has seen issues at his > previous shop with co-locating multiple versions of Oracle on the same > server and is basically not allowing the practice. I have never seen or > heard of this issue, but am trying to remain open-minded to his concern. > Here are his statements verbatim: > -- //www.freelists.org/webpage/oracle-l