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Immortal
Immortal

As I can see your esxi build version is very old . try  to update latest one .

https://kb.vmware.com/s/article/2143832

ESXi 5.5 Update 1    2014-03-11    1623387.

latest build version

ESXi 5.5 Update 3f    2017-09-14    6480324

Also check your hardware firmware version .

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