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64bit and 32bit, What is the deal?

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Last Modified: 2010-04-18
Hi everyone,
      I am going to be implementing a new network soon and will be purchasing 64 bit servers.  I understand that I can run 32bit os.  But, I want to run exchange 2007 which is only 64 bit.  My question is, what are the affects of running all 64 bit servers with only 32 bit clients, or 64 bit AD and 64 bit exchange with 32 bit file and print servers.  What is the correct way and are there any consequences to running mixed 64 bit 32 bit client\server environment.  Also, is my thinking correct that if you have a 64 bit os, you can still install 32 bit applications on it.

Thanks,
Aplona
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Stacy SpearPresident/Principal Consultant
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KCTS- This has no effect on AD or anything?  Even if I had 32bit AD server and a 64 bit AD server? Also, what if I have a 64 bit server running 64 bit SQL, 32 bit clients won't have a problem with this?
tigermattSite Reliability Engineer
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What about having a 64 bit print server but I have 32 bit clients.  Will I still be able to install 32 bit drivers on the 64 bit machine so the clients pickup the correct one.
Stacy SpearPresident/Principal Consultant

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If the printer has them, yes. The print server can store lots of driver versions for different hardware.

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You will not see any problems running mixed client/servers. The only issue you may have are related to software that runs on the server however running a 64 bit GC or exchange will definatley add to performance of your machines.

i.e Exchange 2003 could only use 3GB or RAM where Exchange 2007 recommended max is 32 GB of RAM

Brian PiercePhotographer
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>>> KCTS- This has no effect on AD or anything?  Even if I had 32bit AD server and a 64 bit AD server? Also, what if I have a 64 bit server running 64 bit SQL, 32 bit clients won't have a problem with this? <<<

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