SAP NetWeaver
Sixty-four Bit Servers - No Longer Just an Option, but a Necessity for Enterprises Running SAP
This SAP Insider article explains why the advances in processing technology, the performance benefits of 64-bit, and SAP’s waning support for 32-bit technology, SAP Service and Support strongly recommends a transition to 64-bit application servers for SAP NetWeaver 2004-based systems.