Memory consumption to high!!!

Hi SDN,

we've in SAP ECC 6.0 and we have already applyed SAP Zero Administration for Windows (SQL2005), when we start SAP System, it occupies about 8GB memory but 2 to 4 hours later it is consuming about 12GB (!!!!!) even if the system is not used by any user, it seems that memory is not released for other processes.

someone knows how can I reduce this memory consumption of a SAP System?

Thanks in advance, best Regards,

Pedro Rodrigues