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Exchange 2003 SP2 on Windows 2000

Hi folks.

I am about to begin an exchange migration from a Windows 2000 sp4/exchange 2003 server onto a new Windows 2003 server which will also run Exchange 2003.

My query is in relation to SP levels. The current old Exchange server doesnt have any Exchange SP's. Should/do I need to upgrade it to Exchange 2003 SP2 before I do the migration?
Also, if I need to do this do have to install the rollup for windows 2000 sp4 before I do the exchange SP?  The reason i am asking is i am reluctent to do the rollup for windows 2000 unless I have to as I have seen and read about it causing issues before.

Thanks folks.
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BGilhooley
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BGilhooley
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MesthaCommented:
You don't have to install the service pack on the old machine, however there are some changes to the way that things are managed in SP2, particularly with public folders, which will mean that you will need to do everything from the new server. I am surprised the existing server doesn't have any service packs on it at all. I can't even remember what Exchange 2003 RTM looks like (there are some differences).

-M
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BGilhooleyAuthor Commented:
I wonder SP2 have to have the rollup installed beforehand?

How do you mean I will have to do everything from the new server? I will keep the 2 on the same SP level for the migration anyway, be it leave them as is with RTM or go to SP2 with both...
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BGilhooleyAuthor Commented:
What do people think is the best plan. Leave both machines on RTM, do the migration, then once the migration is done and the old exchange server is no longer in use just upgrade the new server to SP2.

Or else should i upgrade to Exchange SP2 first?  

Thanks
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MesthaCommented:
I wouldn't deploy a new server on RTM. I would be going straight to the latest for both Windows and Exchange, including all post SP2 updates including those from earlier this week. IF you have problems then update the existing server.
They should work correctly together, as it is only service pack differences and you are migrating.

-M
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BGilhooleyAuthor Commented:
Thanks Mestha. See its just that the existing server is old and I've not got 100% confidence in it staying alive through a rollup and service pack so thats why I was wondering can I just leave it as is and just upgrade my shiny new hardware :)

I am going to kick it off today and migrate the public/system folders over the weekend and mailboxes then next week. I will leave this open and post back in a bit..

Thanks again, I appreciate the good advice Sir.
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