Transitioning from Exchange Server 2003 to Exchange Server 2010
Step 1: Prerequisite
· Windows Server 2008 with Service Pack 2 or later or Windows Server 2008 R2 must be used for all servers running Exchange 2010 server roles or management tools
· .NET Framework 3.5 (Windows 2008 feature)
· Windows Remote Management 2.0
· Windows PowerShell v2 (Windows Server 2008 feature)
· Desktop Experience (Windows Server 2008 feature)
· Net. TCP Services started and set automatic (services.msc)
· Disable TCP/IP6 from Registry (if you use tcp/ip4)
· 2007 Office System Converter
· IIS for Client Access Role
· Active Directory Services Remote Management Tools (ServerManagerCmd –i RSAT-ADDS)
Step 2: Migrating from Windows 2003 AD Forest to Windows 2008 AD Forest
· Create user with domain admin, schema admin and enterprise admin role from existing AD
· Log on using new user name
· Run Dcdiag and Netdiag tools
· Bring the AD forest and domains to Windows Server 2003 Functional Level
· Insert Win2k8 Server DVD into Win2k3 DC
· Run following command from Command prompt
· d:\sources\adprep\adprep.exe /forestprep where d: is DVD ROM
· d:\sources\adprep\adprep.exe /domainprep /gpprep
· d:\Setup and select upgrade option to use existing DC
· Transfer FSMO Roles for a new Win2k8 DC with new Hardware
· Make one DC as GC
· Replicate AD database, GPO or wait tomstone to replicate
· Retire Windows 2003 DC
· Run DCPROMO (Uncheck this is last remaining DC)
· Raise new Domain Functional level to Win2k8
Step3: Transition from Exchange 2003 to Exchange 2010
· Bring the Exchange organization to Exchange Native Mode.
· Upgrade all Exchange Servers to Exchange Server 2003 Service Pack 2.
· Upgrade at least one Global Catalog domain controller in each AD site that will house Exchange Server to Windows Server 2003 SP2 or greater.
· Prepare a Windows Server 2008 (RTM or R2) x64 edition server for the first Exchange 2010 server.
· Install the AD LDIFDE tools on the new Exchange 2010 server (to upgrade the
schema by running d:Exchange2010\Setup /PrepareSchema or Setup /ps)
· Run d:\Exchange2010\Setup /PrepareAD /OrganizationName:your_organisation_name from command prompt where D: DVD ROM
· Install any necessary prerequisites (WWW for CAS server role).
· Run setup on the Exchange 2010 server, upgrade the schema, and prepare the forest and domains. (Setup runs all in one step or separate at the command line eg.
D:\Exchange2010\Setup.com /mode:install /roles:H,C,M
· Install Client Access Server role servers and configure per 2010 design. Validate functionality.
· Transfer OWA, ActiveSync, and Outlook Anywhere traffic to new CAS servers.
· Install Hub Transport role and configure per 2010 design (New internal/external SMTP connector)
· Transfer inbound and outbound mail traffic to the HT servers.
· Install mailbox servers and configure Databases (DAG if needed).
· Create public folder replicas on Exchange 2010 servers using Exchange 2010 Public Folder tool.
· Move mailboxes to Exchange Server 2010 using Move Mailbox Wizard or PowerShell.
· Re-home the Offline Address Book (OAB) generation server to Exchange Server 2010.
· Re-home the public folder hierarchy on the new Exchange Server 2010 admin group.
· Transfer all Public Folder Replicas to Exchange Server 2010 Public folder store(s).
· Review and verify Installation log, events, Exchange related Windows services, server roles
· Test Mail Flow, public folder, webmail, outlook config
· Run BPA
· Delete Public and Private Information Stores from Exchange 2003 server(s).
· Delete Routing Group Connectors to Exchange Server 2003.
· Delete Recipient Update Service agreements using ADSIEdit.
· Uninstall all Exchange 2003 servers and remove from domain.
Tools to use:
Exchange Management Console
Keywords: FSMO, Exchange 2010, Exchange 2003, Exchange Server Roles, Windows Server 2008, Windows Server 2003
Important Warning: I am talking about messaging technology. It could be heart of your organization. So Prepare a test lab that simulate your circumstances and fit in your organisation. I created this instruction in a VMware lab environment. Visit TechNet web site to learn more about Exchange 2010 before you deploy in production environment.