Installing exchange 2007 on windows 2008 AD setup issue

I am installing exchange server 2007 on my wondows 2008...heres the deal...my exchange server is colocated at  a hosting company...this is a small setup...and I only have one other server(web server) connected to this dedicated exchange server...i am adding AD to the exchange and now im at the AD Domain services install wizard and its asking me if I want to select"Existing Forest/add a domain controller to an exisitng domain" or "create a new domain"....would I choose create a new domain as ...i only have these two servers connected together..inside my hosting companies network...or is this exchange server the domain..??
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GlobaLevelProgrammerAsked:
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Mark DamenERP System ManagerCommented:
It is not supported or best practice to install exchange on the same box as AD.  You should install AD on 1 machine, then exchange on another.  AD is a pre-requisite to exchange, it cannot work without it.

markpalinuxCommented:


You want to avoid installing AD the same server as your Exchange 2007 server. They need to be separate.  

Read this page:
http://theessentialexchange.com/blogs/michael/archive/2008/03/29/exchange-server-2007-and-domain-controllers-a-summary.aspx

I would go with vmware so you could have multiple VMs on a single server. Then you could have a VM for Exchange and a VM for another Domain controller.

Mark
GlobaLevelProgrammerAuthor Commented:
Well could I install ad in the web server...it has iis6 running on and ms SQL server...my fear is messing something up on the webserver it's running perfect as is...I don't know if this important but my hosting company has a portal I use to manage the dns...
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GlobaLevelProgrammerAuthor Commented:
Well could I install ad in the web server...it has iis6 running on and ms SQL server...my fear is messing something up on the webserver it's running perfect as is...I don't know if this important but my hosting company has a portal I use to manage the dns...
GlobaLevelProgrammerAuthor Commented:
But still my first question isn't answered as far as if it's  a new domain ...
markpalinuxCommented:

Ok. If this is your first domain controller, you want to select , new domain in a new forest.
A forest is simply a single domain or a group of domains.

Screenshots -
http://www.windowsreference.com/windows-server-2008/step-by-step-guide-for-windows-server-2008-domain-controller-and-dns-server-setup/

Mark

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GlobaLevelProgrammerAuthor Commented:
Mark....

I read your article...
Finally, if you do choose to install Exchange Server on a domain controller, you should verify and test your backup and recovery plan thoroughly. Placing both Exchange Server and Active Directory on a single computer significant complicates the recovery process should a significant failure occur. Significantly.

Well I understand that ad and exchange are memory hogs...this server only runs exchange...it's tough..500 gb hdd...16 gb of ram...ad won't be used for anything else than exchange accessing it...again this is a small operation...

Also I'm not sure on vmware helps...do you mean vmware will segment the server ..one vmware for exchange...one slice for ad...
markpalinuxCommented:
Yes. vmware would segment the server.

The problem with AD + exchange is all about security between the two.

I know some smaller setups have another provider/hosting service handle the email. That way your web server/apps can send and receive email without requiring to have a dedicated email server.

Mark
GlobaLevelProgrammerAuthor Commented:
Yes. vmware would segment the server.
>> I like this solution...are there any tutorials...it's been awhile since I worked with vmware...Also free versions trying to do this on the cheap...FYI this Is all Microsoft shop over here ...

My hosting company does offer email services, but they are  open source based and I need an exchange solution ...
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