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vMware VSA, Cannot create VSA cluster


I try to setup vmware VSA. I have to brand new server with vMware ESXi 5.0 U1. I have successfully installed vCenter on another computer. VSA manager is installed. I ran the VSA installer in my vcenter but I have the following error when I click install.

"Cannot create VSA cluster: Failed to complete network configuration for specified host.vSphere1, hence reverted all other hosts."

All my network configuration are by default.

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8/22/2022 - Mon
Kiran Ch

Are you running it on nested ESX environment...maybe you need to check all the network settings...
i found this article..it says "However, after lots of lab time I found there is a way around this problem: in order to install the VSA in nested ESXi and bypass the EVC requirement, we need to tweak a configuration file and then do the installation via command line. Download the full zipfile which includes the command line installer if you haven’t already and unzip that onto your system." may be it will help you.
However i am not sure if it applies to you, but just have a look.
Paul Solovyovsky

How many ESXi hosts do you have?

two esxi hosts and I disabled EVC
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William Peck
Paul Solovyovsky

Did you setup your vCenter cluster service host to setup a quorum? From KB..

Q. Where does the VSA Cluster Service run if you have 2 ESXi nodes? How about 3 nodes?
A. The VSA Cluster Service is always installed on the vCenter Server machine. In a two-node VSA cluster, the service participates in the cluster. In a three-node cluster, the VSA Cluster Service is not configured and does not participate in the cluster

I have two esxi host and one vcenter installed on a physical windows 2008R2 server.

The VSA cluster service runs on the Windows 2008R2 server.

I don't get it... I have a gb switch with vlan 1 and 11 enabled. 1 is the standard vlan and 11 is the backend.

My GB port are configured as trunk with default vlan 1. The network config in my esxi host are factory default.

When I follow the wizard I told it to use vlan 1 and 11 ...
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thanks all