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Downgrading MR firmware using HPE Smart Component version 52.26.3.5379 (or earlier) is not supported on HPE ProLiant servers running VMware ESXi 7.0/8.0 OS with HPE MR Gen10 Plus and Gen11 Controllers. NOTE : If downgrading is attempted with an earlier version of MR controller firmware, the smart component will exit with the message, "Updated version is already available," and the downgrade will not be attempted.
The following HPE MR Gen10 Plus and Gen11 Controllers listed below running VMware ESXi 7.0/8.0 OS, with their spare part numbers, are affected by this issue: Product Part Number Spare Part Number HPE MR Gen10 Plus Controllers HPE MR216i-a Gen10 Plus x16 Lanes without Cache NVMe/SAS 12G Controller P26325-B21 P28348-001 HPE MR216i-p Gen10 Plus x16 Lanes without Cache NVMe/SAS 12G Controller P26324-B21 P28336-001 HPE MR416i-a Gen10 Plus x16 Lanes 4GB Cache NVMe/SAS 12G Controller P26279-B21 P28335-001 HPE MR416i-p Gen10 Plus x16 Lanes 4GB Cache NVMe/SAS 12G Controller P06367-B21 P28344-001 HPE MR Gen11 Controllers HPE MR216i-o Gen11 x16 Lanes without Cache OCP SPDM Storage Controller P47789-B21 P47954-001 HPE MR216i-p Gen11 x16 Lanes without Cache PCI SPDM Plug-in Storage Controller P47785-B21 P47953-001 HPE MR408i-o Gen11 x8 Lanes 4GB Cache OCP SPDM Storage Controller P58335-B21 P58543-001 HPE MR416i-o Gen11 x16 Lanes 8GB Cache OCP SPDM Storage Controller P47781-B21 P47952-001 HPE MR416i-p Gen11 x16 Lanes 8GB Cache PCI SPDM Plug-in Storage Controller P47777-B21 P47951-001 HPE MR Gen10 Plus controllers are supported on the following servers: HPE ProLiant DL380 Gen10 Plus Server HPE ProLiant DL380 Gen10 Server HPE ProLiant DL365 Gen10 Plus Server HPE ProLiant DL360 Gen10 Plus Server HPE ProLiant DL360 Gen10 Server HPE ProLiant DL345 Gen10 Plus Server HPE ProLiant DL325 Gen10 Plus v2 Server HPE ProLiant DL385 Gen10 Plus v2 Server HPE ProLiant ML30 Gen10 Plus Server HPE ProLiant DL20 Gen10 Plus Server HPE MR Gen11 controllers are supported on the following servers: HPE Alletra Storage Server 4120 HPE Alletra 4110 Server HPE ProLiant DL380 Gen11 Server HPE ProLiant DL360 Gen11 Server HPE ProLiant ML350 Gen11 Server HPE ProLiant ML110 Gen11 Server HPE ProLiant DL320 Gen11 Server HPE ProLiant DL365 Gen11 Server HPE ProLiant DL385 Gen11 Server HPE ProLiant DL345 Gen11 Server HPE ProLiant DL325 Gen11 Server HPE ProLiant DL560 Gen11 Server HPE ProLiant DL380a Gen11 Server HPE ProLiant DL20 Gen11 Server HPE ProLiant ML30 Gen11 Server
The MR Controller firmware downgrade issue is resolved in Smart Component version 52.26.3.5487 (or later). Refer to the links below to downgrade the MR controller firmware versions. HPE MR Gen10 Plus Controllers: VMWARE: Version 52.26.3.5487 Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR216i-a Gen10 Plus Tri Mode Controller Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR216i-p Gen10 Plus Tri Mode Controller Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR416i-a Gen10 Plus Tri Mode Controller Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR416i-p Gen10 Plus Tri Mode Controller HPE Gen10 Service Pack for ProLiant (SPP) : Version: 2024.09.00.00 (September 20, 2024) HPE MR Gen11 Controllers : VMWARE: Version 52.26.3.5487 Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR408i-o Gen11 Tri Mode Controller Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR216i-p Gen11 Tri Mode Controller Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR416i-o Gen11 Tri Mode Controller Controller Firmware Flash for ESXi7.0 and 8.0 - HPE MR416i-p Gen11 Tri Mode Controller HPE Gen11 Service Pack for ProLiant (SPP) : Version: 2024.09.00.00 (September 25, 2024)