To log in for the first time, you need the unique credentials printed on the physical hardware:
iLO4 default password - Hewlett Packard Enterprise Community ilo 4 default password
Look for a small plastic tab on the front of the server, often labeled with an (i) symbol. On SFF (Small Form Factor) servers, it's typically on the bottom right; on LFF (Large Form Factor) servers, it's usually in the middle. To log in for the first time, you
Log in. Lock it down. Move on.
ILO 4 is a computer inside your computer. It has its own NIC, its own firmware, and usually sits on your management VLAN. If that VLAN isn't isolated, Administrator / password is basically a signed confession. it's typically on the bottom right