Update The Universal Unique Identifier (Uuid) - Lenovo ThinkSystem SR850 Maintenance Manual

Figure 122. System board installtion
Step 2. Slide the system board toward the rear of the server to secure it in place. To ensure that the system
board is properly installed, gently tug handle of system board forward, a properly installed system
board will not release and slide forward.
Step 3. Reinstall the TCM module to the system board.
Step 4. Reinstall the DIMMs to the system board (see "Install a memory module" on page 81).
Step 5. Install the PHMs (see "Install a processor and heat sink" on page 104).
Step 6. Reinstall PCIe riser-card assembly if necessary (see "Install the PCIe riser-card assembly" on page
88).
Step 7. Reinstall adapters removed earlier (see "Install an adapter" on page 91).
Step 8. Reinstall LOM adapter if necessary (see "Install the LOM adapter" on page 72).
Step 9. Reconnect the cables disconnected earlier.
Step 10. Reinstall the power supplies (see "Install a hot-swap power supply unit" on page 96).
Step 11. Reinstall the drive backplanes (see "Install a drive backplane" on page 55).
After installing the system board, complete the following steps:
1. Push the power supplies into the bays until they click into place.
2. Install any components that you removed from the failing system board. See the related topics in
"Hardware replacement procedures."
3. Update the Universal Unique Identifier (UUID). See "Update the Universal Unique Identifier (UUID)" on
page 123.
4. Update the SMBIOS/DMI information. See "Update the DMI/SMBIOS data" on page 125.
5. Enable TPM/TCM. See "Enable TPM/TCM" on page 127
6. Optionally, enable Secure Boot.

Update the Universal Unique Identifier (UUID)

The Universal Unique Identifier (UUID) must be updated when the system board is replaced. Use the Lenovo
XClarity Essentials OneCLI to update the UUID in the UEFI-based server. Lenovo XClarity Essentials OneCLI
.
Chapter 3 Hardware replacement procedures
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