Error code 0xE0000100 while installing Windows Server 2012 R2
Recently while attempting to install Windows Server 2012 R2 on a virtual machine I received the following error after clicking the Install button:
So based on the error my first assumption was my installation ISO must be corrupted, so I downloaded a new file from MSDN. After the downloading the new ISO I received the same error. So being a little stubborn I tried a Server 2012 ISO I had and again the same error. I tried a Windows 8 ISO I had available, didn’t get the same error but an issue reading the license file.
So next assumption maybe somehow Hyper-V has gotten corrupted. So I completely uninstall the Hyper-V role and ensure I clean the registry of any instances of Hyper-V. Reinstall Hyper-V wouldn’t you know it the same error. Now I am getting a little frustrated. So I started researching the 0xE0000100 error code. Found lots of irrelevant stuff out there. But, then stumbled across the true cause of the error.
The default memory value when creating a virtual machine in Hyper-V is 512MB which is the minimum memory required to install Windows Server 2012 R2. I had selected use Dynamic Memory so I assumed it allocate what was needed. What I found was it doesn’t. Because the drive is not formatted yet and no memory swap file exists the ISO was unable to extract into memory. As a result the installation files were not available to continue. There are 2 solutions to the problem. The easiest is to up your memory larger the 800 MB or prior to pressing the Install button exit to a command prompt, format the drive and create a memory swap file.
I chose the easier of the 2 by upping my memory to 1024 MB. Installation completed without any other issues.
Hope this solves your installation problem and you research the error prior to jumping through hoops like I did.
Until next time, RIDE SAFE!!
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