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How to Register a vCenter Server 5.0 with Admin Tool on VCSA 5.1 Using SSH Port Forwarding

09.04.2012 by William Lam // 2 Comments

The new vSphere Web Client in vSphere 5.1 supports both vCenter Server 5.0 and 5.1, but before you can connect to a 5.0 system, you will need to manually register the vCenter Server with the vSphere Web Client Admin Tool. In the previous release, you could register a vCenter Server using the Admin Tool which was available by connecting to the localhost web application as outlined here or by performing the same operation via the command-line using /usr/lib/vmware-vsphere-client/scripts/admin-cmd.sh on the VCSA.

It looks like with the latest release, the admin script no longer function ("Cannot connect to vSphere Web Client administration tool.") and since the VCSA does not contain a full blown desktop with a browser like it's ugly Windows cousin ... you will not be able to register any of your existing vCenter Server 5.0 systems. Luckily, you do not need a browser running on the VCSA to perform the registration, you can use the browser on your desktop by simply using SSH port forwarding.

In the example below, I am connecting to my VCSA 5.1 from my iMac via terminal. You will need a system that can reach your VCSA that has a web browser which will be used to access the Admin Tool.

Step 1 -  SSH to your VCSA using the following command, be sure to replace "172.30.0.194" with the IP Address or hostname of your VCSA:

ssh [email protected] -L 9443:127.0.0.1:9443 -N

If the port forward was established correctly, the prompt will just sit there as denoted by the screenshot below.

Note: If you wish for the prompt to return, you can specify the -f flag after "ssh" but this ensures you remember you have a port forwarded.

Step 2 - Open a web browser on your local desktop and connect to the following address:

https://localhost:9443/admin-app

This should launch the vSphere Web Client Admin Tool and allow you to register your vCenter Server 5.0 hosts.

Even though I was able to get this to work, I personally would still prefer to be able to perform this operation via the command-line. I am still hoping that I might have missed something, but I have been told this might be expected 🙁

Categories // Uncategorized Tags // admin-app, admin-cmd.sh, vcenter, vcsa, vSphere 5.0, vSphere 5.1

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William Lam is a Senior Staff Solution Architect working in the VMware Cloud team within the Cloud Infrastructure Business Group (CIBG) at VMware. He focuses on Cloud Native technologies, Automation, Integration and Operation for the VMware Cloud based Software Defined Datacenters (SDDC)

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