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Thanks for the input. &nbsp;The servers will be added to a Forest that has 150 or so Windows 2003 servers. &nbsp;The servers will be new Dell 2008 servers, so I don't think drivers will be an issue. &nbsp;The data center folks will of course have to do ADPREP /forest Prep, and ADPREP /domain Prep. &nbsp;I just curious as to how 2008 servers interacts with the Exchange 2003 servers. &nbsp;Were there any issues with the 2003 Exchange servers after ADPREP was run piror to adding 2008 server to an existing 2003 exchange environment?
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Thanks for the input.  The servers will be added to a Forest that has 150 or so Windows 2003 servers.  The servers will be new Dell 2008 servers, so I don't think drivers will be an issue.  The data center folks will of course have to do ADPREP /forest Prep, and ADPREP /domain Prep.  I just curious as to how 2008 servers interacts with the Exchange 2003 servers.  Were there any issues with the 2003 Exchange servers after ADPREP was run piror to adding 2008 server to an existing 2003 exchange environment?

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Thanks folks. &nbsp;I just wanted to make sure that 2008 wasn't going to mess with the existing 2003 exchange servers.
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Thanks folks.  I just wanted to make sure that 2008 wasn't going to mess with the existing 2003 exchange servers.

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and what were the gotchas that were encountered?
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and what were the gotchas that were encountered?

Who has deployed Windows Server 2008 in an Exchange 2003 environment

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).