Peter, This is my first adventure into the 64bit world. So I am sure you can understand my caution with customers z/os systems. I wasn't aware that the feature couldn't be turned off. My issue is more trying to allocate a 64 bit storage and it failing ...I appreciate everyone's help.
Scott ford www.identityforge.com from my IPAD 'Infinite wisdom through infinite means' On Jun 14, 2013, at 7:24 AM, Peter Relson <rel...@us.ibm.com> wrote: > As Tom Marchant pointed out, all supported z/OS releases (and those from > z/OS 1.6 onward) require z/Architecture and support 64-bit virtual. > Customers do not "enable" 64-bit functionality on such releases; it cannot > be (fully) disabled > > Peter Relson > z/OS Core Technology Design