I'm upgrading a demo environment from Windows Server 2012 to 2012 R2. All of the System Center products in the environment have already been upgraded to 2012 R2 from 2012 SP1. In the interest of my sanity and schedule, I was hoping to do an in-place upgrade of the OS on these servers.
The environment runs the following applications:
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AD Directory Services (will not be upgraded in-place)
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System Center 2012 R2:
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Configuration Manager
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Operations Manager
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Virtual Machine Manager
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Service Manager
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App Controller
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Orchestrator
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SQL Server 2012 to support System Center products (no failover clusters, mirroring, shipping, or AlwaysOn):
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Database Engine w/ Full Text Search
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SSRS
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SSAS
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I can't find any official documentation from Microsoft about whether in-place upgrades with these products installed is explicitly supported. I'd imagine that means that it is supported, but I thought I'd see if anyone has actually done this, or is aware of an official support statement in one direction or the other.
Best Answer
Not sure if you would be happy with this statement or not, here is the official statement:
http://technet.microsoft.com/en-us/library/jj822981.aspx
Updated answer:
The in-place OS upgrade is officially supported for Window Server 2012 to Window Server 2012 R2
http://blogs.technet.com/b/configmgrteam/archive/2013/12/19/announcement-configuration-manager-documentation-library-update-for-december-2013.aspx
Full Detail:
Source: http://technet.microsoft.com/en-us/library/gg682077.aspx
Additional Info:
Some users may find this link also particularly useful: Upgrade Sequencing for System Center 2012 R2