One DC Windows Server 2003 STD 32 bits, one member server 64 windows server std for exchange 2007

I have a single Domain Controller with windows server 2003 STD 32 bits, now we are planning to add a new member server with windows server 2003 STD 64 bits for installing Exchange Server 2007 STD 64 bits, and another member server with windows server 2003 std for ISA SERVER 2006.

My question is? Will i have my 32 DC integrated with the new member server 64 bits for exchange.

What facts should i consider and take care in order to have the 32 bits servers co-exist with the new 64 bits server ?
crisromAsked:
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Brian PiercePhotographerCommented:
If they are all the same release eg R2, then they will talk to each other and replicate without problems. If the 64 bit Server is R2 and the 32bit is not then you will need to Adprep in the same way as you would for a new 32bit OS.
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Keith AlabasterEnterprise ArchitectCommented:
Hi - as you know, ISA will not run on a 64 bit OS, nor is there any plan to issue an update to make it do so prior to the next release. I have mixed 32 bit and 64-bit DC's and did not have to make any adjustments at all (so far - touch wood). They DCpromo'ed up the same and they (the 64-bit boxes) work in exactly the same way as the 32 bit versions. Only item I HAVE noticed is that the 64-bit machines have been  a bit more fussy on required 'signed' device drivers. NVidia graphics drivers were, for me, a specific example.

Keith
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Keith AlabasterEnterprise ArchitectCommented:
Wasn't aware of that difference - so thanks for the pointer. As all of ours are R2, maybe I was lucky with not having a varied install base.

Keith
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Jay_Jay70Commented:
you will have no issues, you dont need any special prep'ing etc especially considering you are talking purely about member servers and no additional DC's

i have a couple of 64 bit machines in a pure 32 Bit Domain Controller Environment - exchange 07 on the 64bit member server, it runs perfectly smooth

I would be putting another DC in there though especially if you are going to have exchange in the environment - even make the ISA box a DC for redundancy
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Keith AlabasterEnterprise ArchitectCommented:
Is that you James?
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Jay_Jay70Commented:
Hello mate - back from the dead :)

missed a touch in the above - if you mean by "integration" that you intend on having your exchange server as a DC....then dont!
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Keith AlabasterEnterprise ArchitectCommented:
Hey Dude - Happy New year. heard you had changed your username.....

PS I would caution on the suggestion of having ISA on a DC - works fine on SBS servers as they have the wizards to configure it appropriately. ISA on a standard DC requires a alrge number of ports opened and is not a 'supported' position from MS.

Regards

Keith
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Jay_Jay70Commented:
ahhh very good to know :) i wondered about that actually - thanks for clarification

Happy New Year to you too - long time man long time....Wasnt me that changed, it was my fellow chump - Kieran :)
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