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Integrated Lights-Out (iLO) - How to Find the IP Address Remotely


Many server administrators never see the servers they administer in person, but administer them remotely over the network.

If a server's Integrated Lights-Out (iLO) address is not known, how can it be located?

The following points will help:
  • Use the System Management Homepage (SMH), available for a number of HP supported operating systems. On the SMH home page, there should be a representation of the iLO NIC. It will list the IP address of the iLO, even if none is allocated (

  • Find the iLO host name within the DHCP server's leased addresses list. Assuming the iLO has obtained an IP address, which is its default behavior, and the host name has not been changed, then the host name would be ILO plus the serial number of the server. For example, ILO6J26JNT1706P .

  • Assuming the default iLO host name is being used, command line utilities may be used to access it, whether DHCP or static addressing is being used. CPQLOCFG.EXE , the HP Lights-Out Configuration Utility, may be run on a Microsoft Windows based computer, using the host name as a target: CPQLOCFG -u [username] -p [password] -s [IP address | DNS name] -f Get_Network.xml -l [logfilename] -v . CPQLOCFG

    Click here to access and download the Light-Out Configuration Utility - CPQLOCFG software utility .

    Also the Get_Network.xml command file is in the HP Lights-Out XML Scripting Sample for Windows and can be downloaded from the HP Business Support Center web site.

    Click here to access and download the HP Lights-Out XML Scripting Sample for Windows .

    It is possible to save the results to a file by typing > filename.txt at the end of the statement. Refer to the CPQLOCFG documentation for more details.

  • HPONCFG.EXE , the HP Lights-Out Online Configuration Utility for Microsoft Windows 2000/Server 2003, performs the same function as CPQLOCFG , except it is run on the host server where the iLO resides, not remotely. (An administrator would need to use a Microsoft Windows based remote control facility to access it.) The syntax is HPONCFG -f Get_Network.xml . HPONCFG .

  • HPLOGMIG.EXE may be used on a Microsoft Windows based computer to run a pinging discovery over an IP address range. If it is known within which subnets the iLO addresses would be located, those subnet ranges could be specified, and each of the addresses would be pinged, and if a management processor, identified.

    Although intended for configuring iLO for directory support, the utility can be used for discovery and remote firmware upgrades by itself.

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