Exchange 2010 SBS Exchange not connecting since transfer of Master roles to 2012 Server

the old exchange is still online but it's asking for prompts for the users since I've migrated the FSMO roles over to the 2012 R2 server.
Machines can ping and access it still but I can't get any users to connect via Outlook regardless of version.

any thoughts would be much appreciated.
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CRL ltdAsked:
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Cris HannaCommented:
The problem here is that you broke it.  Or rather you broke the licensing when you transferred off the FSMO roles.    How long ago did you do this?   Typically within 7 days after transferring the FSMO roles, the SBS server will begin shutting down every hour or so.

SBS must hold all the FSMO roles.   You can have additional DC's if you wish, but the SBS server has to be the boss!
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MAS (MVE)EE Solution GuideCommented:
Hi,
Did you add the new DNS server address in the exchange server network card properties?
Use this command to check your DC in use by Exchange.
Get-ADServerSettings | fl

Open in new window

Use this command to configure preferred DCs.
Set-ADServerSettings -PreferredServer newdc.domain.local

Open in new window

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David AtkinTechnical DirectorCommented:
Cris is correct here.

You either need to transfer the FSMO roles back to the SBS or decommission the SBS.
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Cris HannaCommented:
The author put the SBS server into an unsupported configuration causing some components to stop functioning
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