You are unable to access Panorama using the IP address of the Management Interface.
The IP address of the Management Interface was changed to an unknown IP address during a recent "commit".
Details
You have the ability to log in to VMware ESXi.
You have the ability to log in to PAN-OS with an admin account.
HTTP 404 error when you try to connect to the IP address of Panorama via HTTPS.
Resolution
Log in to VMware ESXi.
In the left-hand navigation pane, under the IP address of the ESXi server, right-click the virtual machine listing for your Panorama server.
Select the "Open Console" option.
Press the ENTER key. You should see a log in prompt.
Enter the user name of your admin account.
Enter the password of your admin account.
Enter "configure" at the PAN-OS command prompt.
Enter "load config version <value>" at the command prompt. NOTE: "<value>" should be equal to the second most recent configuration version number. The most recent version number is the running configuration. Example = config versions 1 - 20 exist on your firewall. Use the command "load config version 19" to load the second most recent configuration file.
Enter the "commit" command.
Log out of ESXi.
Make a HTTPS connection to the IP address of the management interface of your Panorama server.
Log in to Panorama with your user name and password.