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Updating the Universal Unique Identifier (UUID)
The Universal Unique Identifier (UUID) must be updated when the system board is replaced. Use the
Advanced Settings Utility to update the UUID in the UEFI-based server.
The ASU is an online tool that supports several operating systems. Make sure that you download the version
for your operating system. You can download the ASU from the IBM website. To download the ASU and
update the UUID, go to
Step 1.
ASU sets the UUID in the Integrated Management Module (IMM). Select one of the following
methods to access the Integrated Management Module (IMM) to set the UUID:
• Online from the target system (LAN or keyboard console style (KCS) access)
• Remote access to the target system (LAN based)
• Bootable media containing ASU (LAN or KCS, depending upon the bootable media)
Step 2.
Copy and unpack the ASU package, which also includes other required files, to the server. Make
sure that you unpack the ASU and the required files to the same directory. In addition to the
application executable (asu or asu64), the following files are required:
• For Windows based operating systems:
– ibm_rndis_server_os.inf
– device.cat
• For Linux based operating systems:
– cdc_interface.sh
Step 3.
After you install ASU, use the following command syntax to set the UUID:
asu set SYSTEM_PROD_DATA.SysInfoUUID <uuid_value> [access_method]
Where:
<uuid_value>
Up to 16-byte hexadecimal value assigned by you.
[access_method]
The access method that you selected to use from the following methods:
• Online authenticated LAN access, type the command: [host <imm_internal_ip>] [user <imm_
user_id>][password <imm_password>]
Where:
imm_internal_ip
The IMM internal LAN/USB IP address. The default value is 169.254.95.118.
imm_user_id
The IMM account (1 of 12 accounts). The default value is USERID.
imm_password
The IMM account password (1 of 12 accounts). The default value is PASSW0RD (with a zero
0 not an O).
Note: If you do not specify any of these parameters, ASU will use the default values. When the
default values are used and ASU is unable to access the IMM using the online authenticated
LAN access method, ASU will automatically use the unauthenticated KCS access method.
System x3550 M3Problem Determination and Service Guide
530
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=TOOL-ASU
.
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