Migration from EXCH2007 to EXCH2013

Hi Experts,

we have to upgrade our old EXCH2007 environment to EXCH2013. We dont go for 2016 because we still bought the licenses last year.

Can you help me with a nice step by step guide ?
Eprs_AdminSystem ArchitectAsked:
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MAS (MVE)Connect With a Mentor Technical Department HeadCommented:
Hi,
Please check this thread.
https://www.experts-exchange.com/questions/28658532/Exchange-2007-to-2013-migration.html
Please let me know if you have any doubt.

Regards
MAS
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Eprs_AdminSystem ArchitectAuthor Commented:
I have 3 VMs and WIN2012 R" is installed and patched to the latest level.
I also have installed all WIndows features which are needed.
The Filterpack and the UCMA are also installed.
EXCH2013 is installed on each server.

I want to setup a DAG with all 3 servers.
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Eprs_AdminSystem ArchitectAuthor Commented:
I have installed SP1 for EXCH2013.
can I install directly the latest CU ?
Do you have a link to it ?
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Ajit SinghCommented:
Here is a step by step guide to migrate from Exchange Server 2007 to Exchange Server 2013:
http://mstechtalk.com/step-by-step-guide-to-migrate-from-exchange-server-2007-to-exchange-server-2013/

Also get help from this article which will demonstrate the step by step process for installing cumulative updates and service packs for Exchange Server 2013.

Hope this helps!
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Eprs_AdminSystem ArchitectAuthor Commented:
I want to use DAG with 3 Servers.
Is it better to create the DAG in the beginning or later ?
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Eprs_AdminSystem ArchitectAuthor Commented:
When do I have to install the DAG ?
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Eprs_AdminSystem ArchitectAuthor Commented:
Hi MAS,

when I setup a DAG in advance before I have moved any mailbox, is it ok ?
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MAS (MVE)Technical Department HeadCommented:
Yes you can create DAG. Host your mailbox DBs in the DAG to have HA on mailboxDBs.
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Eprs_AdminSystem ArchitectAuthor Commented:
ok thanks.
I will create a DAG with 3 hosts.
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Eprs_AdminSystem ArchitectAuthor Commented:
Now I have a problem with a cert request ....
From your documentation, I have created this request :

New-ExchangeCertificate -FriendlyName 'Contoso Exchange 15 Certificate' -GenerateRequest -PrivateKeyExportable $true -KeySize '2048' -SubjectName 'C=EG,S="Cairo",L="Cairo",O="Contoso",OU="IT",CN=mail.contoso.com' -DomainName 'mail.contoso.com','autodiscover.contoso.com' ,'legacy.contoso.com' | out-file c:\sw\e15_csr.txt

Open in new window


But I cannot read this with my Windows 2008 CA.
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MAS (MVE)Technical Department HeadCommented:
I am sorry for telling that this if off topic. Please start a new card/question for better and fast response.

Thanks
MAS
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Eprs_AdminSystem ArchitectAuthor Commented:
ok I will create a new ticket
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