I have a Boxster 2007 System failiure warning go to work shop, goes on

LLBoxster

the battery is draining does any body had that problem?

PF_Flyer

Have you had any codes read to see what's causing the system failure light?

The battery draining could be a short somewhere, but I'd start with checking the alternator output to see if it's putting out enough to keep the battery charged. And you should have the battery itself checked. It's possible that it's not able to retain a charge. Going to have to go step by step and eliminate possibilities for why the battery is draining.