0xE0000100 error when installing Windows Server 2012

Wanted to install Exchange 2016 to play a little bit around, and for that needed Windows 2012 for OS.

Unfortunately when installing the server I was getting error:

“Windows installation encountered an unexpected error. Verify that the installation sources are accessible, and restart the installation. Error code: 0xE0000100”

Below screen with polish description:

hyperv_problem1So naturally I thought it is something with the iso file, but was pretty astonished though, since I have installed few of VMs with that ISO file, Logged into https://www.microsoft.com/Licensing/ downloaded a new, brand new, freshly smelling iso file, trying.. – one more time same error.

Tried to dig a little bit in the internet, and found:


So this is how my VM setup looked like:


Previously I was always setting some higher numbers there, but in all that rush just didn’t do that for those installations!

After changing two values from 512MB to 1024MB installation worked like a charm without any single error 🙂

One thought on “0xE0000100 error when installing Windows Server 2012

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