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Here is a post: <a href="https://social.msdn.microsoft.com/Forums/vstudio/en-US/e8d29ed3-88a8-4fc7-90a0-b7da6377d8cc/inplace-upgrade-of-operating-system-on-sql-server-system-windows-server-2008-r2-gtgt-2012-r2" rel="ugc nofollow">In-place Upgrade of Operating System on SQL Server System (Windows Server 2008 R2 &gt;&gt; 2012 R2) (microsoft.com)</a>&nbsp;<br><br>
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arnold

Network Engineer

Pkafkas

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Thanks, that was what I thought.
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<p>Is it better to create a new Virtual Server with a new version of Windows and install a clean new version of SQL Server on that.</p><p><br></p><p>As compared to upgrading the already existing Windows Server 2008 R2 to WIndows 2012 R2. &nbsp;Then upgrading SQL Server 2008 R2 to SQL Server 2012 R2 as an in place upgrade.&nbsp;</p>
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Is it better to create a new Virtual Server with a new version of Windows and install a clean new version of SQL Server on that.
As compared to upgrading the already existing Windows Server 2008 R2 to WIndows 2012 R2.  Then upgrading SQL Server 2008 R2 to SQL Server 2012 R2 as an in place upgrade. 

Objective is to upgrade 2008 R2 SQL Server and Windows Server 2008 R2

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

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