Hello , due to hardware failure our epo 4.5 has crashed,
i am having exported security keys, sitelist.xml(master repository) , SiteMgr.xml(Distributed Repository), exported policies, and having sql backup,
having these can i intall epo 4.5 on a fresh server. will my clients communicate with this epo. please guide me the procedure to install a fresh epo with these.
You need to take a look at KB article KB66616 - ePO 4.5 server backup and disaster recovery procedure.
Accessible via the service portal 'search the knowledge base' link: https://mysupport.mcafee.com/eservice/
It explains what you need and how to recover with that data.