I need to install Symantec Version 12 to all computer that running Symantec Version 11.


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Community Chosen Answer



I made it with

MsiExec.exe /X{530992D4-DDBA-4F68-8B0D-FF50AC57531B} /qn REBOOT=Reallysuppress

Answered 10/30/2013 by: tecrumors
Sixth Degree Black Belt

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Answer this question or Comment on this question for clarity



I think you can install Symantec 12 without removing the version 11 and the former should take care of getting rid of the latter without a hitch because it could be a security hole if you do that.

Check also your Symantec Server where you create a customize media and make sure that it has an option to remove the previous one.

Answered 10/30/2013 by: dj_xest
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There are many methods - see this Symantec KB article:


Answered 10/30/2013 by: dunnpy
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