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In this Document

Goal

Solution

Applies to:

Goal

The root password on the ILOM is currently unknown.  You have root access to the O/S installed on the platform and want to change the ILOM password back to the default changeme.

The method to reset the ILOM password is different for each platform.  Some allow for password reset via an onboard jumper.  Others allow for the password to be reset via a BIOS setting.  Newer versions of the ILOM also allow for ILOM password recovery via the serial management connection.   Refer to your product documentation to see which method applies to your system.

The method explained below is not documented and is primarily used when a) the system is located in a remote data center, or b) you don't want to shut down the host.  Both the onboard jumper method and the BIOS setting most likely will require the host OS be shutdown.

Solution

1. If needed, check ipmitool version and path:

# which ipmitool

/usr/sbin/ipmitool

# /usr/sbin/ipmitool -V

ipmitool version 1.8.8

2. Reset the password using one of the following two commands:

# /usr/sbin/ipmitool user set password 0x02 changeme

# /usr/sbin/ipmitool raw 0x06 0x47 0x02 0x02 0x63 0x68 0x61 0x6e 0x67 0x65 0x6d 0x65 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00

There will be no confirmation after running the ipmitool command, however the ILOM root password will be changed to changeme.


Notes
These solutions are from the IPMI specification.
The second method show above is the "set user password" command in raw format.

Since the KCS interface between the host and it's service processor does not require authentication, you can set any user's password from the main host itself. This is not possible from an ILOM out of band connection.

This has been tested and verified on x86 based ILOM 2.x and 3.x.
This process has been successfully tested on several x64 product lines so it may be successful on other x86 platforms not identified in this document.
This process has been successfully tested on some non-x86 product lines (i.e. SPARC based T5120 and T4-1) so it may be successful on other SPARC based platforms not identified in this document. They may have a requirement for the ipmitool version: The version 1.8.8 that came with Solaris 10 u10 and earlier cannot yet use the BMC interface. Version 1.8.9.4 or later is required and also uses the BMC interface as the default interface (recommended version is 1.8.10.3). For these SPARC based systems, please see "Version of ipmitool required for CMT systems" (Doc ID 1516567.1)

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