Upgrade to windows 2008

Hi all,
we currently have our SAP systems running on windows 2003 64bit MSCS and SQL 2005. We want to upgrade to Windows 2008. We fulfill the pre-requisites for upgrade.
i know the simple way would be to install windows 2008 on a fresh system and them perform a system copy but this is something which will take a lot of time.
Now when we try and perform a upgrade to windows 2008 on the existing systems, it breaks the cluster, when we recreate the cluster, the SQL and windows services are lost, is there a way to save these groups or we need to recreate them(manually or reinstall)
Any best practices
Yogi

Hi John,
We plannng a preparing for a similar task
Taking ECC 6.0 from win. 2003 sql 2005 64bit Unicode to win 2008 , sql 2008 same, migrated to NEW servers.
Please provide advice ...
I will need to order new DVDs? will I be able to install sql 2008 using vbs file , as i have researched and it indicated that I will need to install from scratch?
We are doing our entire SAP landscape (ECC, BI and Portal)
Then we are also implementing cluster(failover, LB ) for the production servers.
Will I need to install SAP / SQL for DEV/QAS in any special way for them to interface to Production which will be clustered?
Any advise will definitely be helpfull as I go thru my research and planning
Kind Regards,
Maria

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Please remember to mark your question as "answered" if this solves your problem.

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Upgrading Virtual Windows server 2003 to 2008

We currently run VI 2.5 with 3.5 U2 servers in a cluster. I was trying to upgrade (in place) a Windows server 2003 st. to Windows Server 2008. However when doing this the guest becomes unresponsive at (completely black screen in the console windows) and the setup reboot the guests and I boots back into 2003 (stating that the setup/upgrade failed). Is there a trick I need to be aware of?

A big thanks to you my friend... I followed your steps and it actually works on my environment... currently I got 2-3 more Windows 2003 servers that needed to be upgraded to Windows 2008. However to save cost we are doing it ourselves... below is the steps I taken following your steps:
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3. Suffer a bit on the screen resolution but you can tweak it back to 1024 x 768 using the default VGA drivers. Recommend to do this so that it would be easier to work with a bigger desktop.
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5. Proceed to do the Windows 2008 upgrade.
Hope this steps will help others...

Upgrade to windows 2008

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