Yes you can, I did it in 2013: https://technet.microsoft.com/en-us/library/gg682077.aspx#BKMK_UpgradeInfrastructure
Upgrade of the Site Server Operating System<javascript:void(0)> ________________________________ Configuration Manager supports an in-place upgrade of the operating system of the site server in the following situations: · In-place upgrade to a higher Windows Server service pack as long as the resulting service pack level remains supported by Configuration Manager. · In-place upgrade from Windows Server 2012to Windows Server 2012 R2. Configuration Manager does not support the following Windows Server upgrade scenarios. · Any version of Windows Server 2008 to any version of Windows Server 2008 R2 or later. · Any version of Windows Server 2008 to any version of Windows Server 2012 or later. · Any version of Windows Server 2008 R2 to any version of Windows Server 2012 or later. When a direct operating system upgrade is not supported, perform one of the following procedures after you have installed the new operating system: · Install System Center 2012 Configuration Manager with the service pack level that you want, and configure the site according to your requirements. · Install System Center 2012 Configuration Manager with the service pack level that you want and perform a site recovery. This scenario requires you to have a site backup that was created by using the Backup Site Server maintenance task on the original Configuration Manager site, and that you use the same installation settings for the new System Center 2012 Configuration Manager site. From: [email protected] [mailto:[email protected]] On Behalf Of Marcum, John Sent: Thursday, December 10, 2015 1:07 PM To: [email protected] Subject: RE: [mssms] RE: Migrating server OS I’m positive. It’s never been supported. You can change the SQL version but that’s all. This is why I’m so pissed off that CM12 to v.Next side-by-side is not an option. My CM12 is on Server 2008 R2. To get to vNext on a modern OS I have to in-place upgrade my CM12 then do a side by side. Oddly enough though CM07 to vNext side-by-side does work. SMH ________________________________ John Marcum MCITP, MCTS, MCSA Desktop Architect Bradley Arant Boult Cummings LLP ________________________________ [H_Logo] From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Krueger, Jeff Sent: Thursday, December 10, 2015 12:57 PM To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] RE: Migrating server OS You sure? We’re going to have to look at upgrading the server OS on our primary from 2008R2 to 2012R2. Was hoping to be able to build the new server with same name off line and then do a site restore to it. From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Marcum, John Sent: Thursday, December 10, 2015 1:31 PM To: [email protected]<mailto:[email protected]> Subject: RE: [mssms] RE: Migrating server OS Requires same version OS too. ________________________________ John Marcum MCITP, MCTS, MCSA Desktop Architect Bradley Arant Boult Cummings LLP ________________________________ [H_Logo] From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Gailfus, Nick Sent: Thursday, December 10, 2015 12:29 PM To: [email protected]<mailto:[email protected]> Subject: Re: [mssms] RE: Migrating server OS Migration is the only way. Restoring a backup requires the server name and site code to be the same. Nick Gailfus Computer Technician p. 602.953.2933 f. 602.953.0831 [email protected]<mailto:[email protected]>| www.leonagroup.com<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.leonagroup.com_&d=CwMGaQ&c=aLnS6P8Ng0zSNhCF04OWImQ_He2L69sNWG3PbxeyieE&r=pQGVi_ygWZb0EWR_EeMFzgKJCQ8AFTQI7Ck6iiIPItI&m=HZJy857HKacSVMzp2_RNHvm7f0j7g1PN9_lWzdvV9H8&s=dlNiH0fayuS_Dawkl9TGXa8JzeuJVsxoiWsnbdJYdV8&e=> [Image removed by sender.] On Thu, Dec 10, 2015 at 10:18 AM, Marcum, John <[email protected]<mailto:[email protected]>> wrote: Do a side-by-side migration. ________________________________ John Marcum MCITP, MCTS, MCSA Desktop Architect Bradley Arant Boult Cummings LLP ________________________________ [H_Logo] From: [email protected]<mailto:[email protected]> [mailto:[email protected]<mailto:[email protected]>] On Behalf Of Heaton, Joseph@Wildlife Sent: Thursday, December 10, 2015 10:44 AM To: [email protected]<mailto:[email protected]> Subject: [mssms] Migrating server OS If I have SCCM 2012 R2 SP1, with SQL 2012 SP2, on Server 2008R2, and I want to migrate to a box with Server 2012 R2, is this the best way? 1) Build new Server 2012 R2 server. 2) Install new SCCM 2012 R2 SP1 hierarchy, new site code, etc. 3) Backup original hierarchy 4) Restore original hierarchy to new server Will the backup/restore process reset the site code, etc on the new server to the original code? 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