How to remove a dead vCenter Linked Mode

//How to remove a dead vCenter Linked Mode

How to remove a dead vCenter Linked Mode

If you have a vCenter that was dead, removed, or only not in use anymore but was in linked mode, you will receive warnings every time you open the master vCenter, so in this blog post, we will explain how to remove a dead vCenter Linked Mode.

Has we can see in the next image, in one part, we have the warning regarding an old vCenter that is set to linked mode with this vCenter, but in the next, in the Linked vCenter Server Systems tab, we don’t any vCenter added, and the list is empty.

Warnings

How to remove a dead vCenter Linked Mode

In this case, it was an old vCenter that was never removed, and the master was upgraded some times until version 6.7, but always had this dead link attached to it.

Login to your vCenter console to check what links or registers are enabled to this vCenter.

How to remove dead vCenter Linked Mode.

First, we check if this vCenter has an external PSC using: /usr/lib/vmware-vmafd/bin/vmafd-cli get-ls-location –server-name localhost

Next, is to list all the nodes that are register in this vCenter using: /usr/lib/vmware-vmafd/bin/dir-cli nodes list

Has we can notice, the vCenter (vCenter5-5.vmwarehome.lab) that we have a warning is still listed in the nodes. So we need to remove that node from the vCenter and break the linked mode between this vCenter and the dead one.

Next, we need to run the command to unregister this vCenter, using: cmsso-util unregister –node-pnid vCenter5-5.vmwarehome.lab –username administrator@nested-sso-60.local

Note: Before running this command, beware that this will restart your vCenter services, and vCenter will be unavailable during the process.

Check again the vCenter node list and the vCenter is removed.

For the safe side, I rebooted the vCenter, and now the warning is gone, and all is green.

I hope this article can help you remove this annoying warning and have a clean vCenter.

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By | 2020-02-16T03:48:14+01:00 February 12th, 2020|Virtualization|0 Comments

About the Author:

I am over 20 years’ experience in the IT industry. Working with Virtualization for more than 10 years (mainly VMware). I am an MCP, VCP6.5-DCV, VMware vSAN Specialist, Veeam Vanguard 2018/2019, vExpert vSAN 2018/2019 and vExpert for the last 4 years. Specialties are Virtualization, Storage, and Virtual Backups. I am working for Elits a Swedish consulting company and allocated to a Swedish multinational networking and telecommunications company as a Teach Lead and acting as a Senior ICT Infrastructure Engineer. I am a blogger and owner of the blog ProVirtualzone.com

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