Big Windows 10 ESXi VM’s taking AGES to boot?

Couple of symptoms here:

i) Running ESXi 6.0

ii) Running with the maximum amount of RAM and vCPU count

This was an interesting one insofar it would only occur if if you had updated the VM’s to use above.

VM’s would upwards to an hour to boot.

Fix

Upgrade to ESXi 6.0 patch 1 (build 2809209)

Related links

https://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2127782&sliceId=1&docTypeID=DT_KB_1_1&dialogID=32536068&stateId=0 0 32534952

In terms of actual detail never got the time to truly ascertain why the slowness occurred for me – occurred during the splash screen phase.

 

 

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