How to reset/recover Integrated Lights Out Manager (ILOM) password

The default user and password of ILOM is “root/changeme”, but if you hv changed the password already and due for some reason you forgot the password, here are the step by step to revocer the ILOM password.

First of all, try to change the password with ipmitool, but if its still doesn’t work, try below step:

Notes:
– You must be physically present at the server to perform this procedure.
– This procedure uses the default user account to enable you to recover a lost password or to re-create the root user account.
– You cannot change or delete the default user account.

1. Connect to ILOM via serial console and log in using the default user account.
SUNSP-xxxxxxxx login: default
Press and release the physical presence button.
Press return when this is completed…

2. Prove physical presence at your server.
Press and release the physical presence button.

The Physical Presence button on the Sun SPARC Enterprise T5xxx servers and X-Series is the Locator button:

But, for Sparc T3/T4 model, the physical presence are on rear side, except for T3-1b/T4-1b:
SPARC T3-1/T4-1: (rear) pin-hole to the left of the USB ports
SPARC T3-2/T4-2: (rear) pin-hole to the left of NET0
SPARC T3-4/T4-4: (rear) to the right of OK LED, above the USB port
SPARC T3-1b/T4-1b: (front) Locate button/Physical Presence (White LED)

3. Return to your serial console and press Enter.

You will be prompted for a password.

4. Type the password for the default user account: defaultpassword

5. Reset the account password or re-create the root account.

-> set /SP/users/root password
Enter new password: ********
Enter new password again: ********
6. try login with your new root password