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On any HPE ProLiant DL325, ProLiant DL345, ProLiant DL365, or ProLiant DL385 Gen11 server configured with an AMD EPYC 9005 Series processor, after an upgrade to System ROM version 2.40 on Windows Server, the AMD Host System Management Port (HSMP) device will display a yellow exclamation point in the Device Manager. This will not affect the system if the AMD Host System Management Port is not in use.
Any of the following servers configured with AMD EPYC 9005 Series processors and running Windows Server 2019, Windows Server 2022, Windows Server 2025 or Azure Stack HCI:HPE ProLiant DL325 Gen11HPE ProLiant DL345 Gen11HPE ProLiant DL365 Gen11HPE ProLiant DL385 Gen11
The Windows Server 2019, Windows Server 2022, Windows Server 2025 and Azure Stack HCI driver have been added to theService Pack for HPE ProLiant Gen11 Version 2025.11.00.00.Revision HistoryDocument VersionRelease DateDetails5January 7, 2026Updated the Resolution with permanent fix for all affected Operating Systems.4October 23, 2025Updated the Resolution with details for Windows Server 2019.3August 21, 2025Updated with permanent fix.2June 24, 2025Updated screenshot of the issue.1May 8, 2025Original Document Release.
Operating Systems Affected:Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025
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