Agree with Keithh

In this case, the extra licence costs are the 'punishment' for this 'stupid' configuration.

Here is what you need:

http://www.microsoft.com/sql/howtobuy/faq.asp

"Active/passive. In the active/passive configuration, one or more computers in the cluster do not regularly process information but rather passively wait to pick up...

The Question was:

At what memory point would you set the /PAE switch in the boot.ini to access extended RAM in the 32-bit Windows architecture?

Sure not on 4 GB, because this...