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vCenter Infrastructure Navigator throws the error: “an unknown discovery error has occurred”

Duncan Epping · May 10, 2012 ·

I was deploying vCenter Infrastructure Navigator (VIN) in my lab today and the following error came up after I wanted to check dependencies for a virtual machine:

Access failed, an unknown discovery error has occurred

I rebooted several services but nothing seemed to solve it. Internally I bumped on a thread which had the fix for this problem: DNS. Yes I know always DNS right. Anyway, I used “DHCP” for my VIN appliance and this DHCP server pointed to a DNS server which did not have the IP/name of my ESXi hosts listed. Because of this the discovery didn’t work as VIN tries to resolve the names of the hosts as they were added to vCenter Server. I configured VIN with a fixed IP and pointed the VIN appliance to the right DNS server. Problem solved.

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cloud, Various vcenter infrastructure navigator, vin

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About the author

Duncan Epping is a Chief Technologist in the Office of CTO of the HCI BU at VMware. He is a VCDX (# 007) and the author of multiple books including "vSAN Deep Dive" and the “vSphere Clustering Technical Deep Dive” series.

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