Windows 2003 AD upgrades to Windows 2008 AD

Source: Internet
Author: User
Tags ad server backup

Here is a picture of an experimental environment;

The existing ad infrastructure of an enterprise is Win2003 AD, in the hope of obtaining more functions, it is decided to upgrade the existing 2003 AD to 2008 AD;

Domain name is: zhkd.ad

DC1:ZSDC02 (Windows 2003 AD)

DC2:ZSDC03 (Install Windows 2008 on this server and upgrade AD)

Upgrade Requirements:

1, must be SP1 and above version of Windows 2003 to upgrade to Server 2008;

2, only allow the same version, or a lower version of the upgrade to the high version, such as the Windows 2003 Standard Edition, upgrade to the Windows 2008 Standard Edition;

3, does not support the trans-language version upgrades;

Upgrade Step:

1, backup ZSDC02 Ad Server, to prevent the upgrade failed to have a recovery backup;

2, Upgrade 2003 AD schema forest; adprep.exe/forestprep

3, Upgrade 2003 AD schema domain framework; adprep.exe/domainprep

4, update the Group Policy object permissions; adprep.exe/domainprep/gpprep

5, update the ad to the RODC read-only domain controller support; adprep.exe/rodcprep

6, the ZSDC03 promoted to the additional domain controller;

7. Pass the FSMO host role to the Windows 2008 AD (ZSDC03) server;

8, the original Windows 2003 ad host to downgrade;

9, upgrade the Windows 2008 AD domain functional level;

10, enhance the Windows 2008 AD forest functional level;

The following is a detailed operation of the upgrade process!

Upgrade the forest and domain schema for ad

The following are actions in ZSDC02 (Win2003 Ad):

1, backup ZSDC02 Ad Server, to prevent the upgrade failed to have a recovery backup;

2, the Windows 2008 installation CD-ROM into the ZSDC02 optical drive, in the experiment of course, my disc letter is e disk;

3, with the Enterprise Administrator account login ZSDC02 server, open the "Start Menu" "Run" input cmd command, click "OK";

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