The IP address of POWER6 595 is showing up in the HMC instead of the server name. Next to the IP address is the status, which shows ailedThe IP address of POWER6 595 is showing up in the HMC instead of the server name. Next to the IP address is the status, which shows ?ailed Authentication? The system administrator needs to enter a password. Which password is needed to restore connection for the POWER6 595 to the HMC?（）

A. The hscroot user password.
B. The CE password.
C. The HMC password.
D. The ASM admin password.