Hi,

Why you are uninstall old sep verison ?

You can use autoupgrade feature.

Upgrade clients to SEP 12.1 using Auto upgrade feature

https://www-secure.symantec.com/connect/videos/upg...

http://www.symantec.com/connect/articles/upgrade-c...

Hi,

If I have understood correctly then you are following upgrade process.

In upgrade process it's not needed to uninstall existing install SEP if it's supported upgrade path.

You can use SCCM or SEPM auto upgrade process as well.

Choose best option which suits to your business need.

Can check this article if following auto upgrade process:

http://www.symantec.com/connect/articles/upgrade-c...

Hi,

for small environment maybe, but no way in our environment, would we want to deploy to all from a central SEPM server!! Thanks for the article, but that won't happen in an Enterprise.

We use SCCM and secondary sites and BDP's to help network bandwidth - especially as the package is 240MB and also can report, retry and all the fancy stuff SCCM gives.

Would you use an msiexec uninstall syntax or deploy cleanwipe as a pre-task or simply push the new 12.x exe and let it handle it all?

Hope you understand??

thanks Chetan - reading article now - question is: If I deploy 12.1 to a machine that has 11.x - will the single exe installer remove/upgrade OK in the normal way or does it HAVE to be clean install?

Sorry guys - cannot see any large company wanting to upgrade the clients from the SEPM server directly unless they have some good QOS in place, only a small amount of clients or obviously if they had no software deployment infrastructure in place.

Over 10,000 here and different network speeds, so this potentially could kill some of our branch offices. Sounds like a nice, extra feature in SEPM, but should be a fall back/backup options for those without other means.

Defiantly going the SCCM route as is the supported method for app deployments here, but my original questions remains:

- Can the 12.x exe run on a machine with 11.x
- For clean machine (going to test) - should I deploy cleanwipe or use msiexe to do uninstall/reboot?

Thanks for the quick replies everyone.

Can the package will distributed via GUPs?

i think not, but has this changed in 12.1.2?