Why does Exchange Server need so much RAM?

Custom / CUSTOM
April 9, 2011 at 11:51:49
Specs: Windows 7, Q9950 / 8 GB
My best server only goes up to 3.25 GB, even in 64 bit, maybe this server has a Desktop Motherboard. Anyhow, how come exchange server requires a ton of RAM? What if I am running only 2 mailboxes and plan to add more in the future? Can 3.25 GB still suffice?

Can I also make my Domain Controller, the Exchange Server as well without going down to the inferior Windows Small Business Server? Is this really a possibility in Windows Server 2008 R2?


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April 10, 2011 at 09:37:40
SBS inferior? How would you come to that conslusion?

Appears the only question is can you have exchange and dc on the same box.

It is done all the time.

Answers are only as good as the information you provide.
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April 11, 2011 at 21:44:35
I think SBS is okay for what I use it for, but I've always used Windows Server 2003 Enterprise Edition on my server and it did the job, so I felt like Going down to SBS is like going back to XP Home from XP Pro. I used XP Home in 2002 but eversince in 2005 I found out that the home edition is a Windows NT OS, which lacks Domain support, I immidietly ditched it. I switched earlier to XP Pro though! :-)

So, SBS may be the best alternative for me, but back in 2006, when I installed a DC and Exchange on top of it, I was told that it will not work. I never seen a reason why it would be difficult to install Exchange Server 2003 on a Windows Server 2003 DC.

In 2010, I upgraded my DC to Server 2008 and my Exchange Server (The best server I have) is still on a Windows Server 2003 x64, running Exchange Server 2007. It works great with only 3.25 GB of RAM, so I am not sure if I should upgrade it to Server 2008 R2 and run Exchange Server 2010.

I posted this about my terminal server:


Anyways, thanks for your help.


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