NvME drives do not support DirectDrive


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rzn6jw

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Running Windows 11 Pro v22H2 build 22621.1555. I have 2 2Tb NvME drives, one as my C:/ drive and one as my game drive. I wanted to check if those drives supported DirectDrive so I issued the command: fsutil bypassIo state c:\ and received the following:

BypassIo on "c:\" is not currently supported
Status: 506 (At least one minifilter does not support bypass IO)
Driver: PDFsFilter
Reason: The specified minifilter does not support bypass IO.
Storage Type: NVMe
Storage Driver: Not BypassIo Compatible

It appears that PDFsFilter.sys is a problem. Can I safely delete this file or will that create issues?

Thanks.
 

My Computer

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rzn6jw said:
Running Windows 11 Pro v22H2 build 22621.1555. I have 2 2Tb NvME drives, one as my C:/ drive and one as my game drive. I wanted to check if those drives supported DirectDrive so I issued the command: fsutil bypassIo state c:\ and received the following:

BypassIo on "c:\" is not currently supported
Status: 506 (At least one minifilter does not support bypass IO)
Driver: PDFsFilter
Reason: The specified minifilter does not support bypass IO.
Storage Type: NVMe
Storage Driver: Not BypassIo Compatible

It appears that PDFsFilter.sys is a problem. Can I safely delete this file or will that create issues?

Thanks.
Click to expand...
Do you mean DirectStorage? This only works with the generic Microsoft NVMe driver, it won't work with manufacturer drivers, such as Samsung
 

My Computer

System One

  • OS
    Windows 11 Pro 24H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim X 3080 Ti
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    ASUS TUF Gaming VG289Q
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    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
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    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
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    Seasonic PX-2200
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Sorry, fumble fingers..... So what is the generic MS NvME driver? Can I delete PDFsFilter.sys?
 

My Computer

System One

  • OS
    Win 11Pro v24H2 build 26100.3775
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 7 9800X3D
    Motherboard
    Gigabyte X670 Aorus Elite AX
    Memory
    64G DDR5 6000
    Graphics Card(s)
    ASUS RTX 4070 Ti Super OC
    Sound Card
    Soundblaster Z SE
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    Hard Drives
    C: drive SOLIDIGM P44 PRO 2TB SSD
    D: drive SOLIDIGM P44 PRO 2TB SSD
    H: drive Samsung 970 EVO Plus 2TB SSD
    PSU
    Corsair RM850X
    Case
    GameMax
    Cooling
    NZXT Kraken Elite 360 RGB 2024
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    Corsair
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rzn6jw said:
Sorry, fumble fingers..... So what is the generic MS NvME driver? Can I delete PDFsFilter.sys?
Click to expand...
How was it installed? Deleting the driver would likely cause your PC to not boot, but if the driver can be uninstalled it SHOULD revert to the generic MS driver. MAKE A SYSTEM IMAGE BACKUP BEFORE ATTEMPTING TO REMOVE THE BOOT DRIVE STORAGE DRIVER!
 

My Computer

System One

  • OS
    Windows 11 Pro 24H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim X 3080 Ti
    Sound Card
    Soundblaster AE-5 Plus
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
Have Macrium Reflect for that very reason. It's saved my butt countless times. Will try and post the results soon. Going to have to go into safe mode to try this so it'll be a while.
 
Last edited:

My Computer

System One

  • OS
    Win 11Pro v24H2 build 26100.3775
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 7 9800X3D
    Motherboard
    Gigabyte X670 Aorus Elite AX
    Memory
    64G DDR5 6000
    Graphics Card(s)
    ASUS RTX 4070 Ti Super OC
    Sound Card
    Soundblaster Z SE
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    Hard Drives
    C: drive SOLIDIGM P44 PRO 2TB SSD
    D: drive SOLIDIGM P44 PRO 2TB SSD
    H: drive Samsung 970 EVO Plus 2TB SSD
    PSU
    Corsair RM850X
    Case
    GameMax
    Cooling
    NZXT Kraken Elite 360 RGB 2024
    Keyboard
    Corsair
    Mouse
    Razor
    Internet Speed
    Gigabyte
    Browser
    Firefox
    Antivirus
    Norton 360
rzn6jw said:
Have Macrium Reflect for that very reason. It's saved my butt countless times. Will try and post the results soon. Going to have to go into safe mode to try this so it'll be a while.
Click to expand...
Good luck!
 

My Computer

System One

  • OS
    Windows 11 Pro 24H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim X 3080 Ti
    Sound Card
    Soundblaster AE-5 Plus
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
rzn6jw said:
Sorry, fumble fingers..... So what is the generic MS NvME driver? Can I delete PDFsFilter.sys?
Click to expand...
Do you have Pefectdisk installed? This is a storage filter driver for that program. You should not remove it manually, but by uninstalling PerfectDisk. It may cause issues with disk i/o otherwise.

If you have to ask, then you probably already have the Micosoft nvme driver. It is just all storage i/o filter drivers have to support the bypass as well, and this one apparently does not.
 

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No, I don't have PerfectDisk installed. Any other programs that might have installed it? I don't ever remember installing PerfectDisk in the past but if it was and then uninstalled, could it have left this file?
 

My Computer

System One

  • OS
    Win 11Pro v24H2 build 26100.3775
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 7 9800X3D
    Motherboard
    Gigabyte X670 Aorus Elite AX
    Memory
    64G DDR5 6000
    Graphics Card(s)
    ASUS RTX 4070 Ti Super OC
    Sound Card
    Soundblaster Z SE
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    Hard Drives
    C: drive SOLIDIGM P44 PRO 2TB SSD
    D: drive SOLIDIGM P44 PRO 2TB SSD
    H: drive Samsung 970 EVO Plus 2TB SSD
    PSU
    Corsair RM850X
    Case
    GameMax
    Cooling
    NZXT Kraken Elite 360 RGB 2024
    Keyboard
    Corsair
    Mouse
    Razor
    Internet Speed
    Gigabyte
    Browser
    Firefox
    Antivirus
    Norton 360
rzn6jw said:
No, I don't have PerfectDisk installed. Any other programs that might have installed it? I don't ever remember installing PerfectDisk in the past but if it was and then uninstalled, could it have left this file?
Click to expand...
only PerfectDisk.

Raxco was notified of the need to update this driver 12 months+ ago, and have done nothing.

Anyone coming across this, if you don't use Optiwrite you can disable the filter in Autoruns.
 
Last edited:

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  • OS
    Windows
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