Solved DirectStorage not supported on my NVMe drives


Ernimus Prime

Ernimus Prime

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I was checking to see if my 2 NVMe drives I have are DirectStorage compatible. But the system says they arent. Here are my drives: ADATA XPG SX8200 1TB O/S),. 2TB Samsung 970 Evo plus (Games only), 4TB WD Black. (User data and programs mainly). I get this incompatible reasons for both NVMe drives: Status: 494 (The specified driver does not support BypassIO operations)

Driver: klpnpflt.sys

Reason: The driver's StorageSupportedFeatures registry value is not defined

Storage Type: NVMe

Storage Driver: Not BypassIo Compatible



Not sure how to solve this. Thanks
 

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Ernimus Prime said:
I was checking to see if my 2 NVMe drives I have are DirectStorage compatible. But the system says they arent. Here are my drives: ADATA XPG SX8200 1TB O/S),. 2TB Samsung 970 Evo plus (Games only), 4TB WD Black. (User data and programs mainly). I get this incompatible reasons for both NVMe drives: Status: 494 (The specified driver does not support BypassIO operations)

Driver: klpnpflt.sys

Reason: The driver's StorageSupportedFeatures registry value is not defined

Storage Type: NVMe

Storage Driver: Not BypassIo Compatible



Not sure how to solve this. Thanks
Click to expand...
How do you test this? I have the same one, As far as im aware no game uses Direct Storage as of yet. I've looked forward to this for ages but haven't seen anything out with it yet so as far as i know, It isn't really in use as much as it is there.
 

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Devlin1888 said:
How do you test this? I have the same one, As far as im aware no game uses Direct Storage as of yet. I've looked forward to this for ages but haven't seen anything out with it yet so as far as i know, It isn't really in use as much as it is there.
Click to expand...
put this in CMD Prompt as admin. Change the letter of the drive you want to check:
fsutil bypassIo state c:\
 

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Ernimus Prime said:
put this in CMD Prompt as admin. Change the letter of the drive you want to check:
fsutil bypassIo state c:\
Click to expand...
Mine says my Adata drive is partially supported, it says i have the setting disabled, I'll look about in the bios for the one it mentions and see whats what.

Keep an eye here for updates https://twitter.com/DirectX12

They also only starting rolling it out to DEVS in march i believe. So it might just be its a while away
 

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Mine says "currently supported", "Storage Type: NVME", "Storage Driver: BypassIo compatible".
This is a WD Blue SN570 1TB using Windows built in NVME driver on a B660 chipset.
As far as I am aware there are no settings in BIOS to affect this (doesn't seem related to resizable BAR as this is off in by BIOS), it is down to CPU, motherboard, NVME type (?), OS and drivers all needing to support the feature, then it needs enabling within the software (game) to make use of it through DirectX12.
 

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Ernimus Prime said:
Status: 494 (The specified driver does not support BypassIO operations)

Driver: klpnpflt.sys

Reason: The driver's StorageSupportedFeatures registry value is not defined

Storage Type: NVMe

Storage Driver: Not BypassIo Compatible



Not sure how to solve this. Thanks
Click to expand...

This is a good example of the antivirus programs with their filter drivers latching in between the storage controller and the respective hard disk.

The named driver klpnpflt.sys belongs to Kaspersky.

In this case you would have to uninstall Kaspersky and possibly also use the Removal Tool to remove the filter driver.

Then try the Direct Storage check again.
 

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Tekkie Boy said:
This is a good example of the antivirus programs with their filter drivers latching in between the storage controller and the respective hard disk.

The named driver klpnpflt.sys belongs to Kaspersky.

In this case you would have to uninstall Kaspersky and possibly also use the Removal Tool to remove the filter driver.

Then try the Direct Storage check again.
Click to expand...
Thanks, I believe you are correct. Hopefully an update from Kaspersky will fix this issue. Thanks again.
 
Last edited:

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Ernimus Prime said:
Thanks, I believe you are correct. Hopefully an update from Kaspersky will fix this issue. Thanks again.
Click to expand...
Hey. If you go into Xbox game bar, Go to settings, then Gaming Features, What does it say there? Everything shows as supported for me other than my 2nd drive which is fine
 

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Devlin1888 said:
Hey. If you go into Xbox game bar, Go to settings, then Gaming Features, What does it say there? Everything shows as supported for me other than my 2nd drive which is fine
Click to expand...
Same reason for both NVMe drives. I installed the insiders preview of Xbox game. And it was listed there. 😟
 

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Primary: Alienware AW3425DW, Secondary: MSI MAG27QRF-QD,
Screen Resolution
Main monitor: 3440x1440@240hz, 2nd 2560x1440@165hz
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ADATA XPG SX8200 1TB,. 2TB Samsung 970 Evo plus, 4TB WD Black.
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Corsair 212 Evo RGB Black air cooler
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Ernimus Prime said:
Same reason for both NVMe drives. I installed the insiders preview of Xbox game. And it was listed there. 😟
Click to expand...
That's so strange considering we're running the same nvme..size and all. Hmmm
 

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11[email protected]Viper Steelseries 32gb@ 3600mhzGigabyte 2070 Super 8GB, +200 core + 600 memory
OS
11
Computer type
PC/Desktop
Manufacturer/Model
Custom
CPU
[email protected]
Motherboard
Gigabyte Gaming X Z490
Memory
Viper Steelseries 32gb@ 3600mhz
Graphics Card(s)
Gigabyte 2070 Super 8GB, +200 core + 600 memory
Monitor(s) Displays
ASUS 4k HDR, Two 1080p Benq and Samsung
Screen Resolution
3840x2160/2560x1440/1920x1080
Hard Drives
Adata XPG SX8200 PRO 1tb
Samsung EVO 870 500GB
PSU
Corsair RX 650
Case
NZXT h510
Cooling
CM HYPER 212 RGB
Keyboard
Razer Ornata Chroma
Mouse
Steelseries Rival 710
UPDATE: After formatting my PC. And not reinstalling Kaspersky. My NVMe drives now show Direct storage ready. So it was Kaspersky that was screwing my drives.
 

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Windows 11 ProRyzen 7 5700x3DCORSAIR Vengeance RGB Pro 32GB (4 x 8GB) DDR4...MSI Ventus 3x RTX 3080 OC
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Windows 11 Pro
Computer type
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Manufacturer/Model
DIY
CPU
Ryzen 7 5700x3D
Motherboard
ASUS TUF GAMING X570-PLUS WiFi
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CORSAIR Vengeance RGB Pro 32GB (4 x 8GB) DDR4-3600
Graphics Card(s)
MSI Ventus 3x RTX 3080 OC
Sound Card
Onboard DTS custom chipset
Monitor(s) Displays
Primary: Alienware AW3425DW, Secondary: MSI MAG27QRF-QD,
Screen Resolution
Main monitor: 3440x1440@240hz, 2nd 2560x1440@165hz
Hard Drives
ADATA XPG SX8200 1TB,. 2TB Samsung 970 Evo plus, 4TB WD Black.
PSU
Corsair RM750x
Case
Phanteks Enthroo Pro Tempered glass
Cooling
Corsair 212 Evo RGB Black air cooler
Keyboard
Steeleseries Apex 7 TKL
Mouse
Logitech 502 PROTEUS SPECTRUM
Internet Speed
1.5 gigabyte fiber
Browser
Chrome
Antivirus
Bitdefender
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