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Exchange 2007 Enterprise to Standard

Posted on 2011-02-17
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Last Modified: 2012-05-11
Hi All,
I need some planning for new customer requirement.
Here is the scenario:
Currently my customer having 5 exchange server, 2 Mailbox, 2 Hub transport, 1 SMTP/Edge server and all are in enterprise version installed, but recently customer found that they have 2 Enterprise lic, and 4 Standard lic. So, we have to uninstall enterprise on two Hub transport and one smtp/edge server and install standard edition.
Initially I will start with SMTP/Edge, coz, if anything wrong with that, Internal mail flow will remain unaffected.

So, for this big activity, I need create plane of action and submit it to customer, and then I will go for it. Any help will be appreciated.

Thanks
Saugata
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Question by:TechnoChat
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12 Comments
 

Expert Comment

by:Lord_Austin_Powers
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you must install new servers and migrate hub/cas and edge server in the Standard version (allways in 64B because 32b is not supported by MS)

All requierement on this link
http://technet.microsoft.com/en-us/library/aa996719.aspx

best regard
Austin
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Expert Comment

by:Lord_Austin_Powers
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if you have time...

1/ Pee to Vee on virtual server all servers you want to migrate
2/ try your "Virtual" migration
3/ prepare your physical servers
4/ Install all news rules in the new physical server
5/ Migrate and test and shutdown

good luck for a friday :)

best regard
austin
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Expert Comment

by:Amit
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There is no way to revert back to Standard edition. One simple way to ask customer to buy the license. Tell your customer the impact and downtime will be caused for this activity.

Else, you need to install new servers and migrate over to them. It need to be planned by you as you know the design very well or seek for Microsoft help
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Author Comment

by:TechnoChat
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@Lord_Austin_Powers:
Link you provided is for Exchange 2010, but we have to install 2007
Also, I am little bit confused about availability of Exchange 2007 Standard 64 Bit, currently Exchange 2007 Ent. 64 bit installed.

We do have time, but we don't have resource, we have to do it on two days downtime after submitting the POA.

@amitkulshrestha
We already told customer about purchasing Enterprise lic, but they don't want to spend extra money for it. Still we can try, but can tell me what are the problems we might encountered after downgrade?

And if we go for downgrade, can you tell me one thing, is it possible to install Standard edition after uninstalling enterprise edition without formatting the server. As of now, we decided to take disk level backup (snapshot) before start any activity, if anything went wrong , can restore the backup.



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Expert Comment

by:Amit
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Standard editions comes with lot of limitation and if you configured the current env with advance feature, which are not present in Standard edition, then you won't be able to use it in standard edition
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Author Comment

by:TechnoChat
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@amitkulshrestha
Client have two enterprise lic fo 2 Mail Box server, which configured as cluster, no need to change anything there.
Other limitation i found so far on this link
http://www.messagingtalk.org/content/481.html

So, if i downgrade to standard edition on two Hub(one having HUB+CAS+SMPT roal and othe having only HUB roal installed) and one smtp/edge for external mails, then what are the things I have to consider, Any Idea on this?
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Expert Comment

by:Amit
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I think, you are good then. CAS & HUB only needs Windows & Exchange Standard editions.

Goahead with this plan.
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Expert Comment

by:Amit
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Install new server with Standard edition and move over the roles to new server. Then you shutdown the current servers and see if you face any issue. Later decom them. Make sure, if any application pointing to old servers, repoint them to new severs, if hardcoded anywhere.

Hope this helps
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Author Comment

by:TechnoChat
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@amitkulshrestha
Thanks for the info, but we have one problem, we don't have any extra server, we have do it on existing server, (uninstall & install method), and will start with SMTP/EDGE. what are the things we have to consider before doing so..?

Thanks
Saugata
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Accepted Solution

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Amit earned 500 total points
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That  can become a challange and it will break down everything. I would suggest to have them install on new servers. Use VMware if possible. Then you can uninstall these one and install again. Lot of work required
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Author Comment

by:TechnoChat
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@amitkulshrestha
Thanks for the advice.
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Author Closing Comment

by:TechnoChat
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Not a solution, but good advice.. :)
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