thanks for the reply. It is w2k3 Enterprise R2 sp2. ?? PAE is only for
memory over 4GB right? so I wouldn't need to enable that? any other
thoughts?

"Lanwench [MVP - Exchange]"
<lanwench@heybuddy.donotsendme.unsolicitedmailatya hoo.com> wrote in message
news:uVLDdVCoIHA.1240@TK2MSFTNGP02.phx.gbl...
> David <nospam@nospam.com> wrote:
>> when looking at the system properties via windows server 2003 R2 sp2
>> it reports 3.75GB of RAM, but the BIOS reports the full 4GB (4096MB)?
>
> If you're using W2003 Standard, this is normal. You can use all your RAM
> plus more if you use Enterprise or W2008 x64.
>