upgrade exchange 2K3 on windows 2K server to exchange 2K7 on windows server 2K3
Hi,I've now an exchange 2003 server installed on windows 2000 server, which also serves as a domain server to my organization. my organization have more than 1000 staffs. and till now i managed this exchange server to serve them. But now i need to move to exchange 2007 on windows 2003 server with more powerful machine. so plz anybody suggest what'll be the best specs. for my exchange 2007 on windows 2003 server. and how can i migrate my old exchange 2003 data to new exchange 2007. i need good suggestions.anismit
July 24th, 2008 9:06pm

You should migrate to windows 2008. No sense creating another step for yourself later. as far as tech specs go, look here: http://technet.microsoft.com/en-us/library/bb738142(EXCHG.80).aspx you could also use a vendor planning tool like this: http://www.dell.com/content/topics/global.aspx/tools/advisors/exchange_advisor?c=us&cs=555&l=en&s=biz finally, I would also recommend you dont put exchange on a domain controller. get a seperate box for this task. for 1000 users it wont need to be expensive, but something dedicated. also use windows 2003 sp1 or later for the domain controller. this is a requirement for exchange 2007. but as i recommended, you should just go 2008 if you can. oh, and as for migrating, you can just use the move-mailbox command once you have exchange 2007 alive. theres more to it, but read here: http://technet.microsoft.com/en-us/library/bb124008(EXCHG.80).aspx
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July 25th, 2008 6:27pm

Hi Mike,Should i go for migration or transition? What's the better way?anismit
July 26th, 2008 4:28pm

In this context, I'm not sure what that means. Exchange 2007 is a 64 bit application, and therefore cannot be installed on any existing Exchange server, as all previous versions were x86 and x86 cannot be upgraded to x64. You will need to use a seperate (new) server and migrate user mailboxes and Exchange services. If you feel your existing server is very new, and could do x64, and you dont want to buy a new server, you can migrate to a low-end, borrowed, rented, etc, server, then wipe your server and then migrate back, once you have Windows x64 installed. That would be called a "swing" migration.
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July 26th, 2008 4:48pm

Mike,I want to make you more clear regarding my issue. I've windows 2000 domain called xyz.com. My exchange 2003 is installed on that system, which is also my Primary DC. I don't have any additional DC, or child DC. So, now i've to install Exchange 2007 in a new server, which also would be my new Primary DC called xyz.com.So how i manage to do this task?And if i leave my windows 2000 domain as it is then what's the scenario.anismit
July 26th, 2008 8:32pm

Exchange 2007 needs a Server 2003 sp1 or later domain controler. ideally you would not put this domain controler on the same computer that exchange 2007 will also reside, but if you are only buying one server then you have no other choice. i'm suggesting to get yet another server, and have that be a dedicated domain controler, that runs 2008. But if you dont want to do that, here is the basic procedure: install windows 2003/2008 on the new server promote it to a domain controler in your existing xyz.com domain. demote the windows 2000 box so that it is no longer a domain controler install exchange 2007 on the new server, forcing it to only use itself for DC functionality. Theres a kb article for this, and its a must, as windows 2000 is not suitable for Exchange 2007 move mailboxes and exchange services to the new server uninstall exchange 2003 from the old server again, there is a kb on "removing the last legacy exchange server" with instructions. you could also upgrade the OS on the old server to windows 2003 first, and then skip step 2. this would allow you to keep the new server a dedicated exchange server as i recommend.
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July 27th, 2008 1:36am

Thanks mike.I'll definitely follow ur guidelines.anismit
July 27th, 2008 6:15pm

Mike,I'm stating here what i got from u earlier.1. install windows 2003 x64 on my new server.2. join this server to the existing windows 2000 dc as additional dc3. install exchange 2007 on new windows 2003 x64 server4. add exchange 2007 on existing exchange environment5. move the mailboxes to the new exchange 20076. last decommissioning the last exchange 20037. upgrade the existing windows 2000 server to windows 2003these are the ways how i'm preparing to setup my exchange organization. i wan't more assistance and guidance on steps 4, 5anismit
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July 31st, 2008 5:35pm

If you'd like me to spell everything out, please email me. otherwise, i was suggesting that if you upgrade your existing exchange server to windows 2003, sp2 you won't need to install AD on your new x64 windows machine. if you do not do this, you need to hard-code the dc into exchange, because you don't want it accidently talking to the 2000 domain controller. as for migrating exchange services, use this article i mentioned earlier. http://technet.microsoft.com/en-us/library/bb288905(EXCHG.80).aspx and Transitioning from Exchange 2000/2003 to Exchange Server 2007 (Part 1) Transitioning from Exchange 2000/2003 to Exchange Server 2007 (Part 2) Transitioning from Exchange 2000/2003 to Exchange Server 2007 (Part 3)
August 1st, 2008 11:35pm

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