If the password has been changed and forgotten, you can reset it without a reboot using an IPMI tool (like ipmitool on Linux/ESXi) or Fujitsu's IPMIVIEW utility for Windows.
If the default password fails or has been forgotten, you can reset it through several methods. Organizations can also refer to the Fujitsu PRIMERGY Security Overview for broader server hardening strategies.
The iRMC typically operates over Port 443 (HTTPS) by default for web interface operations.
Run the utility to modify user credentials through the local IPMI interface. Using BIOS Reboot the server and enter the BIOS/UEFI Setup (usually by pressing Navigate to Locate the User Management