The procedure to delete the VMware vCenter Server is as follows:
On the global navigation tab, click Server.
The registered servers are displayed on the Main pane.
On the Main pane, click the target server name.
On the Category pane, click Correlation.
The items of the Category pane change into the items concerning the correlation management.
On the Category pane, click End to End View (VMware).
Check the target checkbox on the Main pane.
On the Action pane, click Delete under VMware vCenter Server.
VMware vCenter Server is displayed in a pop-up window.
Click the button at the lower right in the pop-up window.