Adding an Windows Server 2008 to Existing Windows 2003 Environment

I have an existing Windows SBS 2003 Server serving as the DC. It has AD and it is using the Exchange Server. I need to install a new server using Windows SBS 2008 Server. First question is will this work or will it interfere with the DC controller's AD and Exchange Server?
Second, if it can work, please tell the proper steps to ready this Server on to the Network.
reubenwdAsked:
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SupportonthespotCommented:
There are some things you need to do and thats update the existing 2003 AD Scheme.

On your 2008 SBS disk there is an ADPREP tool that will upgrade 2003 domains (Dont worry, it just adds extra fields and will not break your domain)

You then can introduce 2008 servers to the domain.
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thompsonwirelessCommented:
You can add the 2008 server as a member server.  It will import all the AD structure and work in the same manner as your existing server.  I'm not sure versions make a difference.  It will allow logins in addition to AD and shouldn't interfere with your original server at all.
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SupportonthespotCommented:
Not sure that a SBS server can be installed just as a member server.

running DCPROMO on an SBS?

All 2003 DC machines will have to have the ADPREP tool run before you can start using 2008 SBS

Your right however if its 2008 Server (NOT SBS) that can be a member then only DCPROMO once the 2003 domain is upgraded.

My concern though is upgrading a 2003 Server with seperate exchange server and installing 2008 SBS to that environment. i normally run the upgrade the other way, split out a SBS to individual servers and seperate out exchange etc.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
1.  The author did NOT ask if he could make it a DC (which he can, and probably should unless this is going to be a DC), so, strictly speaking Supportonthespot does not apply.

2.  thompsonwireless's first sentence is 100% accurate.  But I don't understant the point of the rest of the comment.  It doesn't make sense.  If it's not a DC, what does the AD structure or a supposed import have to do with anything.  

In short, there should be no problem adding a 2008 server to your SBS network from a technical point of view.  I believe you will need CALs for it though; SBS covers you for additional servers provided they are 2003.  (That said, all licensing questions should be directed to the licensing authority, in this case, Microsoft; "they told me on experts-exchange.com" is not going to be a valid defense in an audit).
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SupportonthespotCommented:
Sorry I missread

I read it that you had a non SBS environment and you were installing a 2008 SBS server into that. SO the above comment is completely true.

Am i mistaken by thinking that you could however not install 2 x seperate SBS systems within the same domain. An upgrade would be suitable but installing a second SBS server would this work?

Your right in adding another 2008 server to the network but the author stated he was adding a 2008 SBS server on an existing 2003 SBS environment.

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Lee W, MVPTechnology and Business Process AdvisorCommented:
You are correct - I answered based on the title and the first part of the question.
"Adding an Windows Server 2008 to Existing Windows 2003 Environment"


You CANNOT add a second SBS server to the network without migrating away from the old SBS server.  You CAN add a second server running 2008 STANDARD (or enterprise) but it CANNOT be SBS.  SBS requires that it is the FSMO master DC, holding ALL FSMO roles and does not permit trusts.  So if you add a second SBS server, you would have a problem as the first server has the FSMO roles already.  If SBS is not the FSMO master, the system may appear to run normally for a few days... up to 3 weeks.  Then it will start shutting itself down and the only way to correct it will be to implement the transition pack (a potentially costly solution) or to make it the FSMO master again.
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reubenwdAuthor Commented:
Thank you all for the comments. Question related ADPREP first answer about it is harmless and only adds a few fields. Is this automatic or do I need some information prior to running the utility?
Second, as far as using DCPROMO on the new server (2008 standard since SBS will not work), what parameters do I need prior to running the tool?

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Lee W, MVPTechnology and Business Process AdvisorCommented:
Do you intend to make this a domain controller?

You need to run ADPREP before you run DCPROMO.  Once finished, you run ADPREP and walk through the wizard.  You would be unwise doing this without first doing it in a test environment to gain some understanding of what to expect and what to do.
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reubenwdAuthor Commented:
No I am not going to use the new server as a domain controller, it will be used as an application server.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Then you don't need to do anything with ADPREP or DCPROMO - those are ONLY if you want the machine to be a domain controller.
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SupportonthespotCommented:
My only response to this is DONT install 2008 SBS if you want an application server then install Server 2008 Standard or enterprise. at which point you have clearly made the statement your not going to need it to be a DC.

BUT if you install SBS it will install Exchange, Sharepoint IIS and AD and is not a recommended solution to this at all.

Is it licencing issues you have that do not permit you to install 2008 Server Standard. I was just trying to grasp why your installing SBS over that.

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SupportonthespotCommented:
IGNORE my above questions I didnt see the part concerning that you already acknowleged that SBS wouldnt work.

Hope all the comments assisted you
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