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Can I run Exchange 2003 Management tools on WinServer 2008?

I have a root domain and two child domains.  Child1 has been around a long time and includes an Exchange server.  Child2 is being added and I want to be able to configure the users to use the Exchange server from Child1.  That is my central goal.

Thanks to help from CompanionCube in my previous thread, "Procedure to host two AD domains on one Exchange server?", I have run domainprep on child2 and was finally able to create an RUS on the Exchange server for child2.  From what I have been reading, those are the only two steps that I need to take to allow child2 users to take advantage of child1's Exchange server.

My problem is that I am running Exchange 2003 and Child2's DC is a Server 2008 box and Exchange 2003 Management Tools won't install on Server 2008.  My workaround is to install the Exchange Management tools on a Root DC and use an enterprise admin to create accounts, but I don't want anyone fiddling around on my root servers.  They don't do much and I like it that way just fine.

I found this thread:

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Q_23247446.html 

that points to a potential solution.  Copying the DLLs into place is easy, but I can't seem to register maildsmx.dll.  I'm logged in as a domain admin and "run as" a command prompt as administrator, but when I kick off regsvr32 I end up with the following error:

Access is denied.  Facillity: Win32  ID no: c0070005  Microsoft Active Directory - Exchange Extension.

followed by:

The module "\windows\system32\maildsmx.dll" was loaded but the call to DllRegisterServer failed with error code 0x8000ffff.

Am I going to be able to use the exchange tools for my Child2 domain - other than through the root domain?

Thanks,
Craig

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cwickstrom
Asked:
cwickstrom
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5 Solutions
 
Glen KnightCommented:
You can install the management tools in a client machine or use the Active Directory Users and Computer snapin on the Exchange Server to create your accounts.

The exchange 2003 tools are not supported on 2008
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CompanionCubeCommented:
I usually use an "Administrators Console" - setup a workstation joined to the correct domain, install all the tools required to manage that domain, and manage everything from there.
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Glen KnightCommented:
Exactly! As i said!
Or if you don't want to do that use the Active Directory Users and Computers on te exchange server.
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cwickstromAuthor Commented:
OK everyone!  I accept your answers, albeit reluctantly.  However, I'm going to leave this question open for the weekend in case someone wants to get creative for me.  

I knew I could install the management tools on a client machine, but since I run Vista on mine, I have avoided that path, instead using ADUsersComputers on one of my servers.  That may not be the best choice from a security standpoint, but it works well in our environment and I was hoping we could continue working that way.  That is why I would have preferred being able to manage machines from the server rather than a workstation.

I must admit that I have never used ADUsersComputers from one domain to manage another - except from the root server downward.  That will actually work quite well for me.  Thanks for that reminder.

Nevertheless, I will keep this thread open in case someone DOES have a way to get it running on 2008.  I knew that would not be an easy solution - which is why I gave this whole thing a point value of 250.

Thanks,
Craig
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Glen KnightCommented:
The Exchange 2003 support tools are not supported on Windows 2008, and noone will tell you any different.

Your best option instead of using a domain controller is use the Active Directory Users and Computers that is installed on an Exchange Server as part of the installation.
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CompanionCubeCommented:
Or setup another (2nd) Server 2003 DC in the domain of interest, then install the E2K3 tools there.
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cwickstromAuthor Commented:
I was looking for a difficult solution so I assigned too many points since the only available solution was worth less.

The solution is only worth 125 points, at the most.  We should be able to adjust point totals at the end instead of at the beginning.
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