I have a Hyper-V 2012 R2 server and increased its RAM to 32GB from 16GB. (for a small business).
1-2 months after the upgrade the system started to freeze seemingly randomly. Whether it was posting or when it was booted it would just freeze. I have done full hardware testing and nothing was flagged as an bad, especially the RAM.
I changed the RAM back to the 16GB but the issues still persist. I have swapped the mobo out and it still does not work. I have ran without the HDDs and the same thing still happens.
A funny thing happens with the RAM on the first mobo the RAM available amount fluctuates from 32,24 to 16 gb of ram available (it can see the full amount installed but not use it all). On the second mobo (motherboard) the ram mode switches from dual channel to single channel after a quick reset from the failure.
I have Googled around and found that it might be a CPU issue but I would like to get some specific advice before I purchase a new CPU (tight budget).
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