How to Add vCenter to vCloud director step by step.
Login using system administrator to Open the cloud director portal. click Home. From the Quick start pane click Attach a VCenter.
Or You can use from Manage & monitor Tab, under vsphere resources select Vcenter and click + to add ne venter.
Fill all the required details for your vcenter and click Next.
Note: select use the following URL you will select the URL of https://Vcenterserver /vsphere-client.
Add the details of the nsx manager that is associated with the provided vcenter
Click Finish
Check the status of the VCenter after finish