"..Have users execute Setup.exe (or Setup.exe /s /v/qn for a silent installation)
directly from the Vphome\Clt-inst\Win32 folder on their assigned parent
server. If this method is used, the users need to have local administrator
rights to the computer to which they are installing..."

Source:
http://www.symantec.com/techsupp/enterprise/products/sav_ce/savce_9.0/savinst.pdf
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Co