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Physical Domaincontroller (Server 2022) with SSD -> warning "ADDS could not disable the software-based disk write cache..."

MirandaVeracruz 106 Reputation points
2022-10-13T14:22:34.83+00:00

Hi community,

I have just added a new physical domaincontroller to my environment (Windows Server 2022 on Dell PE350 with SSD).

I noticed a warning when running dcdiag:

"Active Directory Domain Services could not disable the software-based disk write cache in the following hard disk"

I could not find any best practice for that and on my old Server 2016 domain controller (HDD) there are no such warnings, so I assume it has something to do with the SSD and I'm worried if I could run into trouble...

Regards
Miranda

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A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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A set of directory-based technologies included in Windows Server.
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Accepted answer
  1. Anonymous
    2022-10-13T14:40:39.183+00:00

    It may not be an issue. You might check if your disk and disk controller supports Forced Unit Access
    https://en.wikipedia.org/wiki/Disk_buffer#Force_Unit_Access_(FUA)

    --please don't forget to upvote and Accept as answer if the reply is helpful--

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  1. MirandaVeracruz 106 Reputation points
    2022-10-14T07:20:59.097+00:00

    there is a Dell-Boss-Controller card installed. This is 1 Gen PCIe-card and includes 2 M2-SATA SSD's in a RAID1-set.
    I was not able to find any informations regarding FUA in the documentaion: https://www.dell.com/support/manuals/en-us/boss-s-1/boss_s1_ug_publication