Run the Small Business Server 2003 Best Practices Analyser from here:
familyid=3874527A-DE19-49BB-800F-352F3B6F2922&displaylang=en Make sure you fix any problems the analyser identifies.
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To raise the Domain Functional Level do the following: Before we can add the Windows 2008 Server as a domain controller to the SBS 2003 domain, we need to prepare Active Directory.There is little chance of the data getting lost but the SYSTEM STATE backup backs up Active Directory so that if it all goes wrong we can recover it if needed.What you then need to do on the SBS 2003 server is to make sure you have all the latest available updates.On the operating System Compatibility screen click next.On the ‘Choose a Deployment Configuration’ screen, select the radio box for Existing Forest and Add a domain controller to an existing domain. On the ‘Network credentials’ screen, the name of the domain should have been detected automatically. If you are logged in as a user that has domain admin privileges then you can use the My Current logged on credentials option.To do this use the following procedure whilst working on the Small Business Server Run and type DCPROMO click OK.This will check that the Active Directory Services Binaries are installed and if they are not, it will install them.Posted: April 29, 2010 in Exchange Server, Migration Guides, Small Business Server 2008 Tags: Exchange, Exchange 2003, Exchange 2010, migrate sbs 2011, migration, sbs 2003 to sbs 2011 migration, sbs 2011 migration, sbs migration, sbs2003, small business server 2003, small business server 2011 migration This guide is intended to provide step by step instructions on how to migrate from Small Business Server 2003 to Windows 2008 R2 with Exchange 2010.For this migration to work you will need the following software: It’s important that the steps are followed in order as different stages make different changes to the way in which your server operates.To install DHCP, open up Server Manager and under Roles, click Add Role.From the list, select DHCP Server and click Next then next on the Introduction to DHCP Server screen.