This may seem like a bit of a silly N00b style post but there’s a good reason for it.
How many of us are using Windows Server Media to install hosts via USB Flash then guests via ISO?
I venture to guess almost all of us.
Okay, POLL Time: What is the _date stamp_ on the Setup.EXE located on that flash/ISO?
As of today, if it’s a date earlier than November 22, 2014 then it’s _too old_ to be used in production systems:
Then update the flash drives used to install Hyper-V hosts and nodes.
It should be Standard Order of Procedure (SOP) to keep operating system load souces up to date.
Microsoft High Availability MVP
Co-Author: SBS 2008 Blueprint Book