In order to receive support for the version of vCloud Director you are running, you might need to know when a product or version was available (GA date), and the date that it is no longer supported (EOS date).
VMware Cloud Director (all versions)
Here is where you can find information on Product Lifecycles: Product Lifecycle
In the displayed screen, enter "VMware Cloud Director" into the "Search Product Name" field, select the "VMware Cloud Director" option from the results, and then click [Show results].