install Exchange 2010 and 2013
in a forest, I am going to install Exchange 2010 and 2013, coexistence environment.
After researching, I need to first install Exchange 2010, and then install 2013. right?
Pls give me some instructions about the process, related blogs or articles are appreciated
September 7th, 2015 11:16pm

Here some informative resources that might helps you to get in more details and lets you to accomplish this task.

Steps to install Exchange 2013 in Exchange 2010 environment: http://exchangequery.com/2014/02/13/steps-to-install-exchange-2013-in-exchange-2010-environment/

Exchange 2010/2013 Co-Existence Experience: http://www.bctechnet.com/exchange-20102013-co-existence-experience/

Exchange 2010/2007 to 2013 Migration and Co-existence Guide: http://msexchangeguru.com/2013/05/10/exchange2013-migration/

Off-topic, while need to move mailboxes between exchange servers, you may try this automated solution which lets you to get real-time coexistence between two Exchange Servers during the migration period.

Hope it helps you!

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September 8th, 2015 1:16am

Thanks. Very helpful.

I get this error when installing Exchange 2010:

Summary: 5 item(s). 2 succeeded, 3 failed.
Elapsed time: 00:00:50


Configuring Prerequisites
Completed

Elapsed Time: 00:00:14


Languages Prerequisites
Completed

Elapsed Time: 00:00:13


Hub Transport Role Prerequisites
Failed

Error:
Setup encountered a problem while validating the state of Active Directory: Active Directory error 0x800705B4 occurred while searching for domain controllers in domain forestB.local: This operation returned because the timeout period expired.
.
Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.3.123.3&e=ms.exch.err.Ex28883C&l=0&cl=cp

Elapsed Time: 00:00:06


Client Access Role Prerequisites
Failed

Error:
Setup encountered a problem while validating the state of Active Directory: Active Directory error 0x800705B4 occurred while searching for domain controllers in domain forestB.local: This operation returned because the timeout period expired.
.
Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.3.123.3&e=ms.exch.err.Ex28883C&l=0&cl=cp

Elapsed Time: 00:00:06


Mailbox Role Prerequisites
Failed

Error:
Setup encountered a problem while validating the state of Active Directory: Active Directory error 0x800705B4 occurred while searching for domain controllers in domain forestB.local: This operation returned because the timeout period expired.
.
Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.3.123.3&e=ms.exch.err.Ex28883C&l=0&cl=cp

Elapsed Time: 00:00:09

can you help pleaseMany thanks

September 8th, 2015 2:39am

Exchange installation error for Hub Transport Role Prerequisites: https://social.msdn.microsoft.com/Forums/exchange/en-US/8771bede-025c-4b91-a51b-ec3751283a18/exchange-installation-error-for-hub-transport-role-prerequisites-client-access-role-prerequisites?forum=exchangesvrdevelopment

Exchange 2010 Installation in 3 STEPS: https://telnet25.wordpress.com/2010/06/14/exchange-2010-installation-in-3-steps/

Also, check this which lets you how to Install Exchange 2010 in Step by Step: http://blogs.technet.com/b/ferris/archive/2010/03/05/howto-install-exchange-2010-step-by-step.aspx

You may also take help from the below given earlier discussed threads:

Exchange 2010 HUB/CAS node installation error: https://social.technet.microsoft.com/Forums/en-US/1028eb39-40ed-4810-8da9-9ffa1faa055f/exchange-2010-hubcas-node-installation-error?forum=exchangesvrdeploylegacy

https://social.technet.microsoft.com/Forums/en-US/b83ba6de-7d51-4594-a439-2f12fa4e5618/installation-of-exchange-2010-sp1?forum=exchange2010
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September 8th, 2015 3:22am

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