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vSphere 6.7 quick boot is new feature which is integrated with update manager. When we performing patching activities with earlier versions of vSphere most of the time we need to reboot the ESX hosts. This is very painful because normayy it will take more than 5 minutes to reboot hardware server. Also sometimes we may need to login using ILO\BMC\IDRAC and check the boot status.

With the version 6.7 we can configure quick boot of ESX hosts.This feature will allow us to reboot only the hypervisor without rebooting ESX’s hardware.

Requirements of this feature-

This feature will not work with all the hardware servers.we can follow below link to get the compatible hardware models.

Dell severs

HP Servers

How to check the compatibility of your server-

We can run

/usr/lib/vmware/loadesx/bin/loadESXCheckCompat.py

And check the compatibility of our server with quick boot.

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How to configure this feature

1.login to your vCenter web client

Go to the update manager

Select Manage

Select Settings

Click on Edit

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Enable quick boot

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Now we are going to remediate one of my esx host.

From the target host we can see qucik boot is enable on this

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I used VMware hol HOL-1904-01-SDC-HOL to test this feature

Reference links

https://kb.vmware.com/s/article/52477