Hi, After install vCenter 7.0 Update 3 in my last post, You need to assign license to your vCenter.

For this purpose, You need to buy a license from VMware company. 

Login to your vCenter Server, You see a warning on your screen. Click on Manage Your Licenses button.

Your vCenter license is on Evaluation License. CLick ADD

Enter your License Key

Enter your License Name, NEXT

Your License import in to the vCenter repositry, Now you need assign your License to an asset. Click on Assets tab and choose VCENTER SERVER SYSTEMS

Select your vCenter License and click OK.

Now, Refresh your page, The alert message disappears .

Finish 🙂