We are upgrading Symantec AV from v.9 to v.11. This will not be an automated "migration" from 9 to 11. The two servers will run side by side with clients removed from 9 and installed to 11 in batches.
I'd like to know if its possible to simply push the client install from 11 to a computer running 9 or if we HAVE to uninstall 9, reboot and install 11.
To save time and energy, I'd really like to just install 11 on top of 9 as long as its supported. Does anyone know the pros and cons of this?
Also, if we HAVE to ininstall 9 first - what is the best way to do this? If there is a tool, please let me know. If you know of a good uninstall script, please post the code if you don't mind.
Servers: 2003 SP2 and 2000 SP3
Clients: XP SP2 & SP3, 2000 Pro SP4