Do I use /3GB *AND* /PAE on a Dell PowerEdge 2850 (Dual Core Xeon Processor / 8 GB of RAM)

Posted on 2006-11-07
Medium Priority
Last Modified: 2008-02-01
Hi there.

I've got a Dell PowerEdge 28050 server (Dual Core Xeon with 8 GB of RAM).

It's running Microsoft Windows 2003 R2 Enterprise Edition with Service Pack 1.

It's currently a member server and I will be installing Exchange 2003 Enterprise on it.

Do I put in BOTH /3GB and /PAE in my boot.ini for best performance or only /3GB or just /PAE?

I'm not sure which one I should be using.

Question by:rewardstream
1 Comment
LVL 39

Accepted Solution

redseatechnologies earned 200 total points
ID: 17894756
Hi rewardstream,

This is an interesting topic, you can read about here -> http://www.microsoft.com/technet/prodtechnol/exchange/2003/insider/memoryscalability.mspx

I don't have an answer for you directly, that page advises to use both, but also makes a recommendation to remove RAM over 4GB (or limit it with MAXMEM).

I would put both in there, then run the Exchange BPA and see what it wants you to do


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