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Is it possible to upgrade server 2012R2 to Server 2016 by using a mounted ISO

We would like to try upgrading one of our servers at a remote site (in another state) to server 2016.  The server is a new build of Server 2012R2 so it doesn't currently have any roles or features installed making it a good candidate for an upgrade.  Is it possible to upgrade the server using a mounted ISO of Server 2016 since they do not have any installation media at their site?  I am sure the installation would kick off but I am concerned that it would hang when it rebooted.
Windows 10AzureWindows Server 2016

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McKnife
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Chris Nienaber
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i wouldnt be worried about this at all, i do this all the time with client upgrades:

https://technet.microsoft.com/en-us/windows-server-docs/get-started/supported-upgrade-paths
just as an fyi...as much as Microsoft has come a long way with their in-place upgrade technologies, i would never do an inplace upgrade of server OS unless i absolutely had to. A Server OS is something you want to run optimally. Just personal preference. The fact that your example does not have many roles and features installed makes it an ideal candidate for a clean install as well :p
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McKnife
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I can only agree with all that's been written.
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Windows 10
Windows 10

Windows 10 is a personal computer operating system featuring the "universal application architecture" (UAP); apps can be designed to run across multiple devices with nearly identical code, including PCs, tablets, smartphones, embedded systems, Xbox One, Surface Hub and HoloLens. Windows 10 also includes a virtual desktop system, a window and desktop management feature called Task View, the Microsoft Edge web browser, support for fingerprint and face recognition login, voice-based search (Cortana), new security features for enterprise environments, and DirectX 12 and WDDM 2.0 to improve the operating system's graphics capabilities for games.

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