Applies to AFF A400 ONTAP Upgrade Issue Node is not able to boot up after ONTAP upgrade scripted reboot BMC logs do not show unmapped DIMM modules Error message is observed during boot sequence: Syste...Applies to AFF A400 ONTAP Upgrade Issue Node is not able to boot up after ONTAP upgrade scripted reboot BMC logs do not show unmapped DIMM modules Error message is observed during boot sequence: System DIMM configuration is not supported by AFF-A400 No BIOS PPR messages are present before or after the DIMM configuration error.