NvME drives do not support DirectDrive


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rzn6jw

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Win 11Pro v22H2 build 22621.2428
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

System One

  • OS
    Win 11Pro v22H2 build 22621.2428
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 9 5950X
    Motherboard
    Gigabyte X570 Aorus Pro WIFI
    Memory
    64G DDR4 3200
    Graphics Card(s)
    ASUS RTX 4070 Super OC
    Sound Card
    Soundblaster
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    PSU
    Corsair 850W
    Case
    GameMax
    Cooling
    Deepcool LT720
    Keyboard
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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 23H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Gigabyte
    CPU
    AMD Ryzen 5900X 12-core
    Motherboard
    X570 Aorus Xtreme
    Memory
    64GB Corsair Platinum RGB 3600MHz CL16
    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 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 970 Evo Plus 1TB
    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
    PSU
    Asus ROG Strix 1000W
    Case
    Corsair D750 Airflow
    Cooling
    Noctua NH-D15S
    Keyboard
    Asus ROG Flare
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    500Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
Sorry, fumble fingers..... So what is the generic MS NvME driver? Can I delete PDFsFilter.sys?
 

My Computer

System One

  • OS
    Win 11Pro v22H2 build 22621.2428
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 9 5950X
    Motherboard
    Gigabyte X570 Aorus Pro WIFI
    Memory
    64G DDR4 3200
    Graphics Card(s)
    ASUS RTX 4070 Super OC
    Sound Card
    Soundblaster
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    PSU
    Corsair 850W
    Case
    GameMax
    Cooling
    Deepcool LT720
    Keyboard
    Corsair
    Mouse
    Razor
    Internet Speed
    Gigabyte
    Browser
    Firefox
    Antivirus
    Norton 360
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 23H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Gigabyte
    CPU
    AMD Ryzen 5900X 12-core
    Motherboard
    X570 Aorus Xtreme
    Memory
    64GB Corsair Platinum RGB 3600MHz CL16
    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 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 970 Evo Plus 1TB
    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
    PSU
    Asus ROG Strix 1000W
    Case
    Corsair D750 Airflow
    Cooling
    Noctua NH-D15S
    Keyboard
    Asus ROG Flare
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    500Mb/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 v22H2 build 22621.2428
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 9 5950X
    Motherboard
    Gigabyte X570 Aorus Pro WIFI
    Memory
    64G DDR4 3200
    Graphics Card(s)
    ASUS RTX 4070 Super OC
    Sound Card
    Soundblaster
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    PSU
    Corsair 850W
    Case
    GameMax
    Cooling
    Deepcool LT720
    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 23H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Gigabyte
    CPU
    AMD Ryzen 5900X 12-core
    Motherboard
    X570 Aorus Xtreme
    Memory
    64GB Corsair Platinum RGB 3600MHz CL16
    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 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 970 Evo Plus 1TB
    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
    PSU
    Asus ROG Strix 1000W
    Case
    Corsair D750 Airflow
    Cooling
    Noctua NH-D15S
    Keyboard
    Asus ROG Flare
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    500Mb/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.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro x64
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY Photoshop/Game/tinker build
    CPU
    Intel i9 13900KS 5.7-6GHz P cores/4.4GHz E/5GHz cache
    Motherboard
    Asus ROG Maximus Z790 Dark Hero
    Memory
    64GB (2x32) G.skill Trident Z5 RGB 6400 @6600 MT/s 32-39-39-80
    Graphics Card(s)
    Asus ROG Strix 4070 Ti OC
    Sound Card
    Onboard Audio, Vanatoo Transparent One; Klipsch R-12SWi Sub; Creative Pebble Pro Minimilist
    Monitor(s) Displays
    Eizo CG2730, ViewSonic VP2768
    Screen Resolution
    2560 x 1440p x 2
    Hard Drives
    WDC SN850 1TB nvme, SK-Hynix 2 TB P41 nvme, Raid 0: 1TB 850 EVO + 1TB 860 EVO SSD. Sabrent USB-C DS-SC5B 5-bay docking station: 6TB WDC Black, 6TB Ironwolf Pro; 2x 2TB WDC Black
    PSU
    850W Seasonic Vertex PX-850
    Case
    Fractal Design North XL Mesh, Black Walnut
    Cooling
    EKWB 360 Nucleus Dark AIO w/Phanteks T30-120 fans, 2 Noctua NF-A14 Chromax case fans, 3x50mm fans cooling memory
    Keyboard
    Glorious GMMK TKL mechanical, lubed modded -meh
    Mouse
    Logitech G305 wireless gaming
    Internet Speed
    380 Mb/s down, 12 Mb/s up
    Browser
    Firefox
    Antivirus
    Defender, Macrium Reflect 8 ;-)
    Other Info
    Runs hot. LOL
  • Computer type
    Laptop
    Manufacturer/Model
    Apple 13" Macbook Pro 2020 (m1)
    CPU
    Apple M1
    Screen Resolution
    2560x1600
    Browser
    Firefox
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 v22H2 build 22621.2428
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 9 5950X
    Motherboard
    Gigabyte X570 Aorus Pro WIFI
    Memory
    64G DDR4 3200
    Graphics Card(s)
    ASUS RTX 4070 Super OC
    Sound Card
    Soundblaster
    Monitor(s) Displays
    LG 24"
    Screen Resolution
    3480 x 2160
    PSU
    Corsair 850W
    Case
    GameMax
    Cooling
    Deepcool LT720
    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:

My Computer

System One

  • OS
    Windows
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