VMware

vSphere 6.0 Platform Services Controller – How to decommission a PSC and vCenter

Stop the Platform Services Controller that you no longer need.
Manually repoint all vCenter Servers and all vCenter Server instances registered with the Platform Services Controller to another Platform Services Controller within the domain.
Platform Services Controller appliance:

Log in as root to the appliance shell of one of the Platform Services Controller
To enable the Bash shell, run the shell.set –enabled true command.
Run the shell command to start the Bash shell and log in.
Run the cmsso-util unregister command to unregister the stopped Platform Services Controller
cmsso-util unregister –node-pnid Platform-Services-Controller-System-Name –username administrator@your_domain_name –passwd vCenter-Single-Sign-On-password

Platform Services Controller Windows

On the Platform Service Controller, click Start > Run, type cmd, and click OK. The Command Prompt window opens.
Navigate to C:\Program Files\VMware\vCenter Server\bin\
Run the cmsso-util unregister command to unregister the stopped Platform Services Controller:
cmsso-util unregister –node-pnid Platform-Services-Controller-System-Name –username administrator@your_domain_name –passwd vCenter-Single-Sign-On-password
You must run this command only on one of the Platform Services Controller replication partners, as the synchronization removes the entries from all other Platform Services Controller replication partners.
To decommission a vCenter Server

vCenter Server Appliance:

Power off the vCenter Server Appliance that you no longer need.
Log in as root to the appliance shell of the Platform Services Controller appliance with which the vCenter Server Appliance is registered.
To enable the Bash shell, run the shell.set –enabled true command.
Run the shell command to start the Bash shell and log in.
Run the cmsso-util unregister command to unregister the powered off vCenter Server Appliance.
cmsso-util unregister –node-pnid vCenter-Server-Appliance-System-Name –username administrator@your_domain_name –passwd vCenter-Single-Sign-On-password
On the Platform Service Controller, click Start > Run, type cmd, and click OK. The Command Prompt window opens.
Navigate to C:\Program Files\VMware\vCenter Server\bin\
Run the cmsso-util unregister command to unregister the powered off vCenter Server Appliance.
cmsso-util unregister –node-pnid vCenter-Server-Appliance-System-Name –username administrator@your_domain_name –passwd vCenter-Single-Sign-On-password

Here, vCenter-Server-Appliance-System-Name is the FQDN or IP address of the vCenter Server Appliance that you want to decommission. You must run this command only on the Platform Services Controller appliance with which your vCenter Server Appliance is registered.

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