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upgrade Windows 2003 DC to Windows 2008 DC

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upgrade Windows 2003 DC to Windows 2008 DC

Postby guest » Mon Mar 24, 2008 10:21 am

* We recommend that you perform a clean installation of Windows Server 2008 whenever possible.

* Before you upgrade to Windows Server 2008, we recommend that you remove any installed third-party software that is not supported by the software manufacturer for upgrade to Windows Server 2008.

• Use the following Microsoft resources to help assess Windows Server 2008 readiness:• The Windows Server Catalog of Tested Products

The Windows Server Catalog of Tested Products is the comprehensive listing of tested software and hardware for Windows Server 2003 and for Windows Server 2008. For more information about the Windows Server Catalog of Tested Products, visit the following Microsoft Web site:
http://windowsservercatalog.com/default.aspx (http://windowsservercatalog.com/default.aspx)
• The Microsoft Assessment and Planning Solution Accelerator tool

The Microsoft Assessment and Planning (MAP) Solution Accelerator tool assesses the hardware inventory to help plan your migration to Windows Vista and to Windows Server 2008.

For more information about the MAP Solution Accelerator tool, visit the following Microsoft Web site:
http://technet.microsoft.com/en-us/libr ... 77556.aspx (http://technet.microsoft.com/en-us/libr ... 77556.aspx)
• The "Works with Windows Server 2008" tool

The "Works with Windows Server 2008" tool determines application compatibility.

For more information about the "Works with Windows Server 2008" tool, visit the following Microsoft Web site:
http://windowsservercatalog.com/content ... ources.htm (http://windowsservercatalog.com/content ... ources.htm)
• The "Certified for Windows Server 2008" tool

The "Certified for Windows Server 2008" tool helps determine which applications are ready for mission-critical environments.

For more information about the "Certified for Windows 2008" tool, visit the following Microsoft Web site:
http://windowsservercatalog.com/content ... =ready.htm (http://windowsservercatalog.com/content ... =ready.htm)

Supported upgrade paths
The following table lists upgrade paths that are supported.From To
Windows Server 2003 Standard (SP1, SP2, R2) Windows Server 2008 Standard
Windows Server 2003 Standard (SP1, SP2, R2) Windows Server 2008 Standard without Hyper-V
Windows Server 2003 Standard (SP1, SP2, R2) Windows Server 2008 Enterprise
Windows Server 2003 Standard (SP1, SP2, R2) Windows Server 2008 Enterprise without Hyper-V
Windows Server 2003 Enterprise (SP1, SP2, R2) Windows Server 2008 Enterprise
Windows Server 2003 Enterprise (SP1, SP2, R2) Windows Server 2008 Enterprise without Hyper-V
Windows Server 2003 Enterprise (SP1, SP2, R2) Windows Server 2008 Datacenter
Windows Server 2003 Enterprise (SP1, SP2, R2) Windows Server 2008 Datacenter without Hyper-v
Windows Server 2003 Datacenter (SP1, SP2, R2) Windows Server 2008 Datacenter
Windows Server 2003 Datacenter (SP1, SP2, R2) Windows Server 2008 Datacenter without Hyper-V
Windows Server 2008 Standard Windows Server 2008 Enterprise
Windows Server 2008 Enterprise Windows Server 2008 Datacenter

Upgrade policies
• The earliest version of Windows Server that you can upgrade to Windows Server 2008 is Windows Server 2003 Service Pack 1 (SP1). Upgrades from Windows 2000 Server to Windows Server 2008 are not supported.
• Cross-architecture upgrades are not supported. For example, an x86-to-x64 upgrade is not supported.
• Cross-language upgrades are not supported.
• Upgrades between core installations and non-core installations of Windows Server 2008 are not supported.

For example, an upgrade from a Windows Server 2008 Standard core installation to Windows Server 2008 Enterprise is not supported.
• There are no supported upgrade paths for the Windows Server 2008 for Itanium-based Systems edition and for the Windows Web Server 2008 edition.


Information and resources to use when you plan to upgrade Windows Server
2003 to Windows Server 2008
http://support.microsoft.com/kb/948070
Last edited by guest on Sun Nov 02, 2008 9:01 pm, edited 1 time in total.
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Postby chicagotech » Fri Sep 05, 2008 10:54 pm

You can put a Windows 2008 server in the domain and promote it to a Domain
Controller. After a successful Active Directory replication, both DCs will
have the same AD data. I would recommend that you keep the old Server as
another DC. This is fault tolerant in case one DC is down and user cannot
login and use AD resources.
It is not recommended to just put one DC in a domain, this is because if
that only DC is crashed and you do not have a recent backup, data loss
might occur.

You can transfer the FSMO roles to Windows 2008 DC if you want. To view and
transfer the FSMO roles, please kindly refer to the following article:
How to view and transfer FSMO roles in the graphical user interface:
http://support.microsoft.com/kb/255690

I have included the following article for your reference:
Guide for Upgrading to Windows Server 2008:
http://technet2.microsoft.com/windowsse ... 7-0b3f-4b0
d-9d31-410598278f6e1033.mspx?mfr=true
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Postby chicagotech » Fri Sep 19, 2008 3:22 pm

Before you install Windows Server 2008, the first thing is to check system
requirement. The requirement differs from the versions of the system.
Please read the important information and known issues before installation.

I understand that you are going to add a new AD to the forest. Because the
forest is Windows 2003 R2, you will need to upgrade the forest using the
following procedure.
If you are performing an unattended installation, perform this step before
you install the operating system. Otherwise, you will need to do this after
you run Setup and before you install Active Directory Domain Services.
To prepare a forest:
1. Log on to the schema master as a member of the Enterprise Admins, Schema
Admins, or Domain Admins group.
2. Copy the contents of the \sources\adprep folder from the Windows Server
2008 installation DVD to the schema master role holder.
3. Open a Command Prompt window, navigate to the Adprep folder, and run
adprep /forestprep.
4. If you plan to install a read-only domain controller (RODC), run adprep
/rodcprep.
5. Allow the operation to complete and the changes to replicate before
following the next procedure.

Because this is a new domain in the forest, it is not necessary to prepare
the domain for the other domains. However, You must make domain functional
level decisions that determine whether your domain can contain domain
controllers that run Windows 2000 Server, Windows Server 2003, or both.


Please kindly refer to the following articles for more information:
Installing Windows Server 2008
http://download.microsoft.com/download/ ... 4a-dace88e
99456/readme.htm

"Scenarios for Installing AD DS"
http://technet.microsoft.com/en-us/libr ... omainScena
rio

"Step-by-Step Guide for Windows Server 2008 Active Directory Domain
Services Installation and Removal"
http://technet.microsoft.com/en-us/libr ... 55258.aspx
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