How to Change Admin Console URL in Zimbra

Zimbra Collaboration Suit (ZCS)

If you want to change Admin Console URL link showed in the webmail of administrator.

For example if it shows :

https://mail.example.com:7071

Now I want to change this admin URL to https://example.com:7071

[zimbra@amitmaheshwari.in ] $ zmprov md example.com zimbraWebClientAdminReference https://example.com:7071/