I find out a way to track the Licenses lifetime Type, Assigned, license no.Uses & many more details..
Required : Your “My.Vmware” User id and Password.
When you will click the above URL you will find the window to paste your existing license.
After Clicking on Track button. you will find the below screen.
Select the License key and it will lead to the detailed info screen.
Here is all the details you can get about your licenses.
Now search for your licenses and get them verified .