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Migration from exchange 2003 to 2010: Commandline useful

Hi There,

I am reading a migraton roadmap in order to migration from exchange 2003 to 2010.

I have a DC controller witch exchange 2003 under Windows 2003.

A the beginning, I understand that I need to
1) Install windows 2008 on recent hardware
2) Update windows 2008
3) Integrate new server as member domain

Then we must respect some pre requisites

I am surprised that we use only command setup/preparead and  we don’t launch some commands before installing exchange :
-      Setup /preparelegacyExchangePermissions
-      Setup/ prepareschema
-      Setup/ preparedomain
-      Setup/ preparealldomain

Do you agree ? Please explain me.

Thanks,
Regards,
Fabien
0
simlip
Asked:
simlip
3 Solutions
 
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Look the reason they say Setup /PrepareAD is cause it takes care of all others .... but you can still run them on a side note

- Rancy
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AmitIT ArchitectCommented:
All these commands are required to prepare current environment for installing Exchange 2010 server.  Like Extending Schema will add new attributes, class etc.

Rest to read here
http://technet.microsoft.com/en-us/library/bb125224.aspx
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simlipAuthor Commented:
thank rancy
The reason of setup /prepareAD is to update the schema.
If I launch the others, do you know if are there risks for my organisation ?
I am worry because it is in production !
0
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AmitIT ArchitectCommented:
There are no risk.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
We do understand how imp things are to everyone as i too work with some clients .... So if you want Amit shared an Article you can go through and if any Queries do let us know so we can share our thoughts :)

- Rancy
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Simon Butler (Sembee)ConsultantCommented:
If you are on a single forest, single domain then you don't have to run the prep commands manually. The setup.exe GUI will run everything for you. The only time the commands need to be run outside of the GUI is in multiple domain environments, or where you aren't installing Exchange in to every domain, but will have mail enabled users from that domain in Exchange.

Simon.
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tpitch-ssemcCommented:
I highly recommend using PeteNetLive.com for this. He has a lot of great stuff out there and has saved me a number of times. The instructions are not taylored to your environment but they've always gotten to very close to where I needed.

http://www.petenetlive.com/KB/Article/0000234.htm
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