Beware of Server 2012 R2 installation on VMM (error 0xE000100)

I just wasted a couple of hours troubleshooting this error 0xE000100 while installing Windows 2012 R2 on VMM 2012 SP1 (older version). At first I thought there was some data corruption, ended up downloading the ISO again, to no avail. Then I thought maybe you cannot install R2 on older VMM. I started googling the requirements for 2012 R2. After much googling I found out the problem. I created the VM with dynamic RAM, using the default 512MB startup and 10GB max. THAT is the problem. Check this out:

http://technet.microsoft.com/en-us/library/dn387077.aspx

Under setup for virtual machines section, they say:

If you create a virtual machine with the minimum supported hardware parameters (1 processor core and 512 MB RAM) and then attempt to install this release on the virtual machine, Setup will fail.

Cowbanga!! Note to myself, never use dynamic RAM to install a VM’s OS!

I have used dynamic RAM on all older OSes from Windows, works fine…but with 2012 R2 it does not. I think it is best to make the switch to dynamic RAM later.

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