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Exchange upgrade

I am planning an upgrade from Exchange Server 2007 (pre SP1 version) to Exchange 2010. Can anyone tell me if there are any coexistence issues with the Exchange 2007 pre SP1 version?

Thanks.
Steve
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sdoughty
Asked:
sdoughty
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1 Solution
 
FocISCommented:
Is there a specific reason you don't want to install Exchange 2007 SP2, then follow the official roadmap?  

http://technet.microsoft.com/en-us/library/dd638158%28v=exchg.141%29.aspx
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Simon Butler (Sembee)ConsultantCommented:
You should really upgrade to Exchange 2007 SP3 first, then do a regular migration. Exchange 2007 RTM is very old - I cannot even remember the last time I saw that version. For many people RTM was incomplete, so you have been missing out for many years.

Simon.
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sdoughtyAuthor Commented:
To upgrade to to Exchange 2007 SP2 or SP3 I need to use new hardware. We had purchased and deployed Exchange 2007 prior to the release of SP1. I wanted to just jump to 2010 if possible.
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FocISCommented:
What kind of hardware doesn't support Exchange 2007 SP2 (at least), but does support without any SP?  

You'll only be running it for a few hours if you plan accordingly - are you restricted by the "recommended" or "minimum supported" specifications?
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Simon Butler (Sembee)ConsultantCommented:
The system requirements for Exchange 2007 didn't change between the service packs - it was the same at RTM as it was later on. If you can run RTM then you can run with the service packs. Basically without the service packs you cannot jump straight to Exchange 2010.

Simon.
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sdoughtyAuthor Commented:
I do not have the extra hardware available to bring up another instance of Exchange 2007 and then another to upgrade to 2010 with another piece of hardware. We just don't have the resources available.
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sdoughtyAuthor Commented:
It appears that I will have to use new server hardware to upgrade to Exchange 2007 SPx and table the 2010 upgrade once we can acquire another server to upgrade to 2010.
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FocISCommented:
The upgrade to SP2 or SP3 is over top of the existing exchange 2007 - it's not a new install.

It's just like installing SP3 for Windows XP - you're not reinstalling windows, and certainly not needing another computer.
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sdoughtyAuthor Commented:
I believe that Exchange Server RTM was not upgradeable to SP1, new install was needed to perform the upgrade, that is why I never appled  SP1. If you are already on SP1 I believe you can do an over the top installation of SP2 or 3.
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FocISCommented:
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Simon Butler (Sembee)ConsultantCommented:
"I believe that Exchange Server RTM was not upgradeable to SP1, new install was needed to perform the upgrade, that is why I never appled  SP1."

That is incorrect information.
Exchange has never required a new installation for a service pack to be applied.

Simon.
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sdoughtyAuthor Commented:
It looks like you are right. It was some time ago I installed the original Exchange 2007 RTM but I swear I read in Microsoft's documentation that SP1 ahd to be a new install when it first came out.

So now that I stand corrected on that would you suggest goig to SP1 then SP3 then 2010? Or go right to SP3 and then install our new 2010 server?
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Simon Butler (Sembee)ConsultantCommented:
Go straight to SP3, then install the latest rollup (12).
Only then deploy Exchange 2010.
With Exchange 2010, download SP3 and the latest rollup. Put the rollup in to the Updates directory and then when you install Exchange 2010 you will be up to date right from the start.

Exchange 2007 and higher service packs are the complete product - that may be where you got confused, but I am very surprised you didn't check your knowledge since then - as a lot has changed.

Simon.
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sdoughtyAuthor Commented:
Thanks Simon. Do you have any idea how long the upgrade to SP3 would take using a HP Proliant serverDL380 G5, 16 GB RAM, dual Xeon 2.33 processors? I read about 2 or 3 hours or so elsewhere.

I moved to the health care industry and being the only IT guy there was a lot to learn in all areas, focus is all over the place.
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Simon Butler (Sembee)ConsultantCommented:
First - the spec of the server is more than adequate for Exchange 2007.
Two to three hours? Unlikely. 45 minutes is probably more realistic, probably less.

Simon.
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