Partial Exchange 2013 migration from exchange 2010

I am working with a site that has 2 servers running side by side. I am not the one that started this. There was originally exchange server 2010 running. There was an exchange server 2013 brought online. I think the mailbox storage is on the 2013 server. If you take the 2010 server offline the mail completely stops.

I am a little new to exchange server and want to know what steps that  need to be taken to fully migrate 2010 to the newer 2013 exchange server.

Any and all help to reach this end would be highly appreciated
Jim TrueProfessorAsked:
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AmitIT ArchitectCommented:
If you are new to Exchange server. I recommend you to hire temporary Exchange resource or Microsoft. Which can help you to move things easily. As removing first server require lot of steps.

However, if you still want to do it, Start from here:

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Pablo HurtadoCommented:

See this image, may be the migration process to Exchange 2013 is still in the step 5.

Exchange 2013
Try to identify what server roles you have in both servers.

Just run the command "Get-ExchangeServer| fl name, ServerRole" in the Exchange Management Powershell.

[PS] C:\Windows\system32>Get-ExchangeServer| fl name, serverrole
Name       : PUCON
ServerRole : Mailbox, ClientAccess, HubTransport

Then, you need to know where are the mailboxes.

Just run the command "get-mailbox" and see the column "server" if you see there the Exchange 2010 you need to move those mailboxes to Exchange 2013.

[PS] C:\Windows\system32>Get-Mailbox

Name                      Alias                ServerName       ProhibitSendQuota
----                      -----                ----------       -----------------
Administrator             Administrator        pucon            unlimited
mac carterCommented:
I would like to confirm if the issue has been resolved as per above suggestions which looks good to get this job done.

If not yet, You may consider Exchange Server Deployment Assistance a web based application just you have to select what kind of deployment you were interested and then its provide you step-wise instructions to get this job done:

However, to gather more information in depth, you may also walk through below given links.

Migration From Exchange 2010 to Exchange 2013:

How to migrate Exchange 2010 to 2013:

Hope it helps you!
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