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Server 2012 R2 Datacenter server won't boot

Last Modified: 2015-07-03
After installing the latest server updates a Server 2012 R2 Datacenter server won't load Windows.

This is a Hyper-V base server that hosts 8 Hyper-V virtual machines.

It almost gets to the point where the GUI displays but then reboots.

I have tried using all safe modes, VGA mode, last known good configuration, etc. and have been unable to get into Windows.

What else can be done to troubleshoot and fix this issue?
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Technical Architect - HA/Compute/Storage
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