Software RAID relies heavily on coordination between system firmware and drivers. Use the latest HPE Service Pack for ProLiant (SPP) to keep your motherboard components, drive firmware, and S100i controller code up to date.

If you installed Windows in AHCI mode initially, or if you are running an older version of the driver and experiencing performance degradation, update it inside the OS environment. Log in to Windows Server 2022 as an Administrator. Right-click the Start Menu and select . Expand Storage Controllers .

Filter the Operating System list to or Windows Server 2019 .

Driver and firmware notes

Before booting into the Windows installer, ensure your hardware environment is properly prepared.

: Native support for Windows Server 2022 (Standard, Datacenter, and Essentials).

Before downloading drivers, it is crucial to understand how the S100i operates.

Double-click the downloaded HPE executable on a working Windows computer. Choose the option rather than "Install". Select a destination folder on your local machine.

A: For non-RAID or single-disk scenarios, AHCI offers lower CPU overhead. Use S100i only when hardware-level RAID logic (spanning disks) is required.

If the server is already running but missing the S100i driver (showing as “Standard SATA AHCI Controller” in Device Manager):

During a clean install of Windows Server 2022, the setup might detect a generic storage controller and allow installation to proceed. However, using the generic Microsoft driver instead of the specific HPE driver often results in: hpe smart array s100i sr gen10 driver windows server 2022

| Version | Windows Server | Status | Notes | |---------|----------------|--------|-------| | 1010.14.0.0 | 2022 | Recommended | Initial Windows Server 2022 support | | 106.12.6.0 | 2016, 2019 | Critical update | Addresses potential data inconsistency during RAID creation/operation; RAID 0 and single‑drive RAID 1 are not affected | | 106.12.6.0(D) | 2019 / loads on 2022 | – | Confirmed to load on Windows Server 2022 despite being packaged for Server 2019 |

0x0000007B (INACCESSIBLE_BOOT_DEVICE) appears after driver install on an existing system.

to enable Software RAID mode before starting your installation?

HPE periodically releases driver updates for the S100i to improve stability and security. Always stay current.

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