Modify VMware Update Manager host reboot timeouts in vSphere vCenter 6.5 appliance

I recently changed from Windows based VMware Update Manager (VUM) to Update Manager which is embedded in to the appliance of vCenter. In old VUM I had increased host reboot timeouts to allow host firmware patching during reboot without timing out remediation job.  In appliance the vci-integrity.xml file located in “/usr/lib/vmware-updatemgr/bin”. You need to restart VUM service or appliance after the change.

Lines which need to be change are following:

<HostRebootWaitMaxSeconds>1800</HostRebootWaitMaxSeconds>
<HostRebootWaitMinSeconds>600</HostRebootWaitMinSeconds>

Changed the values to:

<HostRebootWaitMaxSeconds>5400</HostRebootWaitMaxSeconds>
<HostRebootWaitMinSeconds>1800</HostRebootWaitMinSeconds>

This change allows me to patch ESXi host and install new firmware’s with a same reboot and with as least operations as possible.

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