troubleshooting Question

Exchange 2007 SP3 to Exchange 2013 migration

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baysysadmin asked on
ExchangeWindows Server 2012
9 Comments1 Solution2209 ViewsLast Modified:
I am in the process of upgrading our exchange to 2013.

I am following these 2 documents which are sligthly different. Neither one is working for me.

1. http://blogs.technet.com/b/meamcs/archive/2013/07/25/part-1-step-by-step-exchange-2007-to-2013-migration.aspx

2. http://msexchangeguru.com/2013/04/29/install-e2013/

I got to the point where I have to do ADPREP

setup.exe /PrepareAD /IAcceptExchangeServerLicenseTerms /OrganizationName:”NAME”

and its telling me
Exchange organization name cannot be specified. There already exists an Exchange

 organization with name 'NAME'.

I am confused at this point. This is a coexistance upgrade not a new install.
Do I even need to run ADPREP since my AD already contains the Exchange 2007 name?

I ran the prepareschema just before and that was COMPLETED fine.

Does anyone have a better step by step document for Exchange 2007 to Exchange 2013 migration
How do I get past this step?

Thank you
ASKER CERTIFIED SOLUTION
baysysadmin

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