Unable to update or add host to vcenter



We have an installation with two Esxi 6.0.0 hosts added to a vcenter 6.5.0 machine.


All was working fine until yesterday, that I removed one lost datastore because of broken NAS, and suddenly one of my hosts lost connection with vcenter and shows this error: 

'Exception occured: Error interacting with configuration file /etc/vmware/esx.conf: esx.conf parser -- 202, 26): forward slash expected

I tried to update the host with a patch but I get the same error, and it seems like I can´t fix it.

VMs are still working though.

Is there any workaround for this?

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Please indicate step by step how you are trying to upgrade ESXi.
At what level (Build) you are trying to upgrade.

I am trying to upgrade by booting from an ISO (you must choose the option to upgrade and preserve the VMFS).


Enrique Espinel
Senior Technical Consultant IBM, Lenovo and VMware.
VMware VSP-SV 2018, VTSP-SV 2018 VMware Technical Solutions Professional Hyper-Converged Infrastructure (VTSP-HCI 2018)
VMware Technical Solutions Professional (VTSP) 4 / 5.
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