Windows Server 2003 for 64-Bit Extended Systems
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Exchange 2003 and Windows x64 Bit

Gianni_12
Advisor

Exchange 2003 and Windows x64 Bit

Hi, we are planning to install Exchange 2003 on a new DL 380 G4 server. I know that Exchange 2003 is purely 32-bit. My question is: Would Exchange 2003 benefit from this operating system, in any way? Or should i stay with Windows 2003 32-bit?

Tks.
5 REPLIES
Igor Karasik
Honored Contributor

Re: Exchange 2003 and Windows x64 Bit

"Exchange Server is a 32-bit product that, unlike some 32-bit applications which can be run in 32-bit emulation mode on computers with 64-bit processors, Exchange Server cannot be run in 32-bit emulation mode on 64-bit computers, has not been tested on 64-bit computers, and is not supported on computers with 64-bit processors"
http://www.microsoft.com/technet/prodtechnol/exchange/EXBPA/b25e7de2-56c6-4453-9794-89d563c59f26.mspx
Gianni_12
Advisor

Re: Exchange 2003 and Windows x64 Bit

Hi, i think that article that you posted, talks about Windows 2003 64 Bit, not the Windows 2003 x64 bit, just realeased two weeks ago. If you ckeck the links in the article, some of them dates back to october 2003.
Tv_3
Respected Contributor

Re: Exchange 2003 and Windows x64 Bit

Got this from microsoft Presales support.

No there isn't support and there will be no support for 64bit on exchange 2003. (You will have to wait for the longhorn product suite.)

Also the max memmory for exch 2003 will stay below 4GB since exchange also doesn't support PAE.

PAE, X64 will be supported in future versions.

Greetzzz.
Tommy
Chaos, Panic or Disaster??? Always Stay Calm, I will fix it.
Igor Karasik
Honored Contributor

Re: Exchange 2003 and Windows x64 Bit

http://blogs.technet.com/exchange/archive/2005/07/11/407529.aspx
"In short â running current versions of Exchange, including Exchange 2003 on Windows Server 2003 x64 editions is not supported."
Sudipta Biswas
Occasional Advisor

Re: Exchange 2003 and Windows x64 Bit

Hi!
I am giving you a link go to that link and you will find that Microsoft cleary said that till today exchange server 2003 is not supported on windows server 2003 64 bit edition
http://www.microsoft.com/technet/prodtechnol/exchange/guides/WhatNewE2k3/e7586f84-ed60-48e0-9712-8781a6abae67.mspx