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AD2003 upgrade

Posted on 2009-02-19
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1- IF I want to ugrade the AD2003 domain to windows 2008, what are the steps to take?
I would like to do that in the lab first then if it's successful then I will do the same thing in the production.
2- can someone please put some snapshots up about using NTDSutil when using it to make an authoritative restore.

Thanks
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Question by:jskfan
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tigermatt earned 2000 total points
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Hi,

For the upgrade steps see my procedure at the end of this comment.

If you wish to do it in a lab, you have two choices. Either build and install a clean Windows Server 2003 machine and then try upgrading that to test the procedure. Alternatively, you could image one of your existing machines using Acronis, rebuild it into the lab and then test the upgrade in the lab using that. That way, you are working with what you work with in the production environment.

See for some generic screenshots for doing an authoritative restore: http://www.ultrabac.com/kb7/UltraBac_Help/UltraBac_User_Manual/Active_Directory_Restore.htm

-Matt

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Install Windows Server 2008 onto the new server which is intended to be promoted as a Domain Controller. Ensure the new server is assigned a routable static IP address on your IP subnet. Ensure the IP address is not included in any of your existing DHCP scopes. The only DNS server entry at this stage should be the IP address of the existing domain controller on your network.

After installation, join the new machine to the existing domain as a member server. This procedure is exactly the same as joining a workstation to the domain.

Since you are upgrading the Operating System on the new Domain Controller, you will need to add some values to the existing Active Directory schema, in order for the new server to become a Domain Controller. Windows Server 2008 supports more functionality than before, so a schema upgrade for the domain and forest is required to facilitate this and make this new feature set fully functional on the domain. To make the necessary changes, you must be logged on as the built-in Administrator user account, or a user with Domain, Schema and Enterprise Admin privileges.

Insert the Windows Server 2008 media into your current server . Open a command prompt and browse to sources\adprep folder within the Windows Server 2008 DVD media. Execute the command adprep /forestprep.

Next, execute adprep /domainprep . You must be logged on as a Domain Admin user for these steps to work correctly. Once these commands have run your Active Directory schema will have been extended to support Windows Server 2008 as a Domain Controller.

Promote the new server as a Domain Controller for the domain. Enter dcpromo at a command prompt and follow the wizard. When prompted, select the option for an additional domain controller in an existing domain. After the wizard completes, the new server will be acting as a Domain Controller for your domain. It is necessary at this point to restart the server for these changes to be applied.

In a single-domain Active Directory forest, all servers should also be Global Catalog servers. The Global Catalog is a required component of Active Directory which is used during logins to establish universal group membership for a user account. To promote the new server as a Global Catalog, open Active Directory Sites and Services from the Administrative Tools container within Control Panel or on the Start Menu. Double-click Sites, then Servers, followed by the name of the new server. Next, right-click "NTDS Settings" and select Properties. On the General tab, check the Global Catalog checkbox. Restart the new Domain Controller for changes to take effect.

If you wish the new server to become the holder of one or more Operations (FSMO) roles, you will need to transfer these roles to the new server. In a single-domain environment, you gain no benefits from spreading FSMO roles between Domain Controllers

The current FSMO role configuration for your network can be found by running the command "netdom query fsmo" at a command prompt on a Domain Controller.

To transfer one or more of these FSMO roles to the new domain controller, follow the information detailed in the following Microsoft Support article: http://support.microsoft.com/kb/324801. Please ensure any other information you follow is information regarding the TRANSFER of FSMO roles. Seizing FSMO roles is an emergency operation which should not be performed during this procedure.

DNS is a critical component of your Active Directory network. The easiest way to install the DNS role onto the new server is to follow the instructions outlined at http://technet2.microsoft.com/WindowsServer2008/en/library/3cf4d1b1-7a6e-4438-bf4f-22d9468c17321033.mspx You should be already using Active Directory-integrated DNS zones, which is the easiest method of allowing DNS replication to occur - DNS information is stored in Active Directory and replicates with Domain Controller replication traffic. To check if your DNS zones are AD-integrated (and convert them if not), please follow http://support.microsoft.com/kb/227844.

You probably want to enable DNS forwarding in the DNS console on the server, too. This forwards lookups for external domains to a DNS server at your ISP, which allows the server to effectively resolve DNS for external domains. More information on forwarders can be found at http://technet2.microsoft.com/WindowsServer/en/Library/ee992253-235e-4fd4-b4da-7e57e70ad3821033.mspx.

To move DHCP to the new server, you will need to first install the role. To install the role in Windows Server 2008, check the DHCP Server role option within the Add Roles wizard in the Server Manager. To correctly configure DHCP after the role is installed on your new server, you will need to ensure you configure it to distribute IP addresses which are in a different range to the IP scope defined on the other DHCP server. You should also ensure the correct DNS and WINS servers are entered into the scope options. Remember that the only DNS servers which should be configured on workstations are the Domain Controllers which are also acting as DNS servers - no ISP DNS server should ever be set through DHCP.

-tigermatt
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