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Upgrade process

Our client has a CCR and a SCR with NLB for "CAS\HUB & EDGE", would like to know what is the best procedure for Upgrade process

Please refrain from sharing Articles until you can answer with details
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vicky19
Asked:
vicky19
1 Solution
 
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Can you please tell what is the current SP and RU ?
Please plan for a System State & Exchange DB backup before the process

How to Upgrade to Exchange 2007 SP1
http://technet.microsoft.com/en-us/library/bb629489%28v=EXCHG.80%29.aspx

Deploying Exchange Server 2007 Service Pack 3
http://www.msexchange.org/articles-tutorials/exchange-server-2007/management-administration/deploying-exchange-server-2007-service-pack3.html

If any doubts for article or process please do let me know

- Rancy
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Rajkumar-MCITPCommented:
Your upgrade steps will be like below

1. Upgrade all your Exchange Server Exchange Server 2007 SP3

2. Upgrade your Active Directory Schema (prepareschema), Prepare your domain (PrepareAd /OrganizationName:xxx) and Preparelegacyexchangepermissions

3. Plan whether you are going to have a high availability in Exchange 2010 for Mailbox Server CAS hub server same as exchange 2007

4. How many servers you are going to have is another important steps

for your about setup, if you have only two CCR nodes, you can have install two servers with Mailbox\CAS\HUB all role in same server and implement DAG and Configure CASArray. Also you need a separate file server which will function as a File Share Witness for Exchange 2010

for Load balancing CAS array, you need to 3rd party Hardware load balancer

for SCR, you need to deploy another exchange 2010 on remote location and add it as a member server of DAG

for the mail flow, leave the exchange 2007 to send\receive In\out bound emails until you move all the mailboxes and PF to exchange 2010, and on completion, set the exchange 2010 internet send connector to point to your external smart host

for client connectivity, point your mail.company.com to point to casarray name

Please inform if additional information needed.
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vicky19Author Commented:
Thanks but project delayed ... so need as of now
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