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Fix: VMware vSphere ESXi Slow Startup

ESXi may suffer from a slow start-up due to USB Arbitrator service which manages USB pass-through. This service does not support simultaneous USB connections both from USB devices and from USB service console. One of the options to solve this issue is by waiting the host to boot up and disabling USB arbitrator service auto-start on next reboot at the ESXi console:

chkconfig usbarbitrator off

Otherwise, you can reboot the host, actually for me once booted up host it worked fine, so if you need to disable USB arbitrator service without rebooting:

service usbarbitrator stop

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