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JamesNT

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Reply with quote  #1 
I'm noticing a trend.  For Dell servers that use UEFI secure boot, if the power fails the machines will not come back up. 

The machine will post.

The user will witness the Windows Server 2012 R2 automatic repair screen for a moment.

The system will then halt and the iDRAC will log SYSTEM BIOS HALTED.

If we put the machine in BIOS boot everything comes up fine.  We can then shut the machine down and put it back into UEFI secure boot and it will come up again. 

Is anyone else noticing this behavior in Dell or other brand servers?

JamesNT

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Mark

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Reply with quote  #2 
Yikes.  There's nothing in the UEFI firmware that says "do this when the power disappears?"  I wonder if they think it'd be a security back door.
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JamesNT

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Reply with quote  #3 
Mark,

I know.  I'm just as confused as you are.  And both times we called Dell support, all they wanted to do was ship a new motherboard and CPU (just one, not both) to us and that did not solve the problem.  In fact, the second time they sent a refurb motherboard that wouldn't even come up. 

JamesNT

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