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NVMe Registry Enhancement - ENABLE GUIDE

Version: 7.5

🚀 Quick Overview

This guide enables the Native NVMe driver stack on Windows 11/Server 2025, potentially improving NVMe SSD performance and responsiveness. The Native NVMe driver (nvmedisk.sys) provides direct hardware access compared to the default SCSI emulation driver (StorNVMe.sys).

What you'll get:

  • ✅ Native NVMe driver implementation (direct hardware access)
  • ✅ Potential performance improvements for NVMe SSDs
  • ✅ Better thermal management and responsiveness
  • ✅ Support for advanced NVMe features
  • ✅ System Restore Point for instant rollback if needed

📥 QUICK DOWNLOAD

Choose your preferred method:

Method File Download What It Does Sources
PowerShell Script enable-nvme.ps1 ⬇️ Download PS1 Creates System Restore Point, adds all 4 Class IDs, guides restart Microsoft Tech Community, Windows Forums, Reddit, PC Gamer, Tom's Hardware, TechPowerUp, NotebookCheck
Registry File enable-nvme.reg ⬇️ Download REG Directly adds Class IDs 1176759950, 1853569164, 156965516, 735209102 Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware

Class IDs Added:

  • ✅ 1176759950 - Primary Native NVMe (Microsoft Official)
  • ✅ 1853569164 - Enhancement 1 (Community)
  • ✅ 156965516 - Enhancement 2 (Community)
  • ✅ 735209102 - Enhancement 3 KEY (Community)

Both files are pre-configured and ready to use. Download one, save to Desktop, and run as Administrator.

CRITICAL PREREQUISITE: Create System Restore Point

⚠️ BEFORE APPLYING ANY CHANGES - DO THIS FIRST:

Before applying any of the scripts below, you MUST create a System Restore Point. This allows you to roll back all changes instantly if something goes wrong.

Creating a System Restore Point (Windows 11/Server 2025)

Method 1: GUI (Easiest)

  1. Press Win+R, type rstrui.exe, press Enter
  2. Click "Create a restore point..."
  3. Select your system drive (usually C:)
  4. Click "Create..." button
  5. Name it: NVMe-Before-Registry-Changes or similar
  6. Click "Create"
  7. Wait for completion (1-2 minutes)
  8. Click "Close"

Method 2: PowerShell (Automated)

# Run as Administrator - Creates restore point automatically
Checkpoint-Computer -Description "NVMe-Before-Registry-Changes" -RestorePointType "MODIFY_SETTINGS"
Write-Host "System Restore Point Created Successfully"

Method 3: Command Prompt (Alternative)

wmic.exe /namespace:\\root\default path SystemRestore Call CreateRestorePoint "NVMe-Before-Registry-Changes", 12, 7

Why This Matters: If the scripts cause any issues (boot failure, driver conflicts, BitLocker activation), you can instantly restore your system to this exact point without needing to reinstall Windows or recover from backup.

Registry Path (Location for All Scripts)

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides

METHOD 1: POWERSHELL - ENABLE NVMe

PowerShell - Adding NVMe Registry Entries

Source Documentation:

  • Class ID 1176759950: Microsoft Tech Community (Official announcement, Dec 15, 2025)
  • Class ID 1853569164: Windows Forums, Reddit r/windows, TechPowerUp (Community-discovered)
  • Class ID 156965516: Deskmodder, Heise, Windows Forums (Community-discovered)
  • Class ID 735209102: PC Gamer, Tom's Hardware, VideoCardz, NotebookCheck (Community-discovered)

Importance Notes:

  • Script 1 is officially supported by Microsoft for Windows Server 2025
  • Scripts 2-4 are community-discovered, unsupported for Windows 11 25H2 (use at own risk)
  • All four scripts together enable the complete Native NVMe driver stack

PowerShell Addition Script (Copy & Paste Ready)

# NVMe Native Driver Registry Enhancement - ADDITION
# Run as Administrator
# Creates System Restore Point and applies all registry changes
# Source: Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware, NotebookCheck

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "NVMe Registry Enhancement - ADDITION" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# Check if running as Administrator
if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
    Write-Host "ERROR: This script must be run as Administrator!" -ForegroundColor Red
    Write-Host "Please right-click PowerShell and select 'Run as administrator'" -ForegroundColor Red
    Exit 1
}

Write-Host "✓ Running as Administrator" -ForegroundColor Green
Write-Host ""

# Step 1: Create System Restore Point
Write-Host "[STEP 1/6] Creating System Restore Point..." -ForegroundColor Yellow
try {
    Checkpoint-Computer -Description "NVMe-Before-Registry-Changes" -RestorePointType "MODIFY_SETTINGS" -ErrorAction Stop
    Write-Host "✓ Restore Point Created Successfully" -ForegroundColor Green
} catch {
    Write-Host "⚠ Warning: Could not create restore point automatically" -ForegroundColor Yellow
    Write-Host "   Error: $_" -ForegroundColor Yellow
    Write-Host "   Continue anyway? (Y/N)" -ForegroundColor Yellow
    $response = Read-Host
    if ($response -ne "Y" -and $response -ne "y") {
        Write-Host "Script cancelled by user" -ForegroundColor Red
        Exit 1
    }
}

Write-Host ""

# Step 2: Add Registry Entry 1 (Official - Microsoft Server 2025)
Write-Host "[STEP 2/6] Adding Class ID 1176759950 (Microsoft Official)..." -ForegroundColor Yellow
Write-Host "   Source: Microsoft Tech Community (Official)" -ForegroundColor Gray
Write-Host "   Purpose: Primary Native NVMe feature (Windows Server 2025)" -ForegroundColor Gray
try {
    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 1176759950 /t REG_DWORD /d 1 /f | Out-Null
    Write-Host "✓ Class ID 1176759950 added successfully" -ForegroundColor Green
} catch {
    Write-Host "✗ Failed to add Class ID 1176759950" -ForegroundColor Red
    Write-Host "   Error: $_" -ForegroundColor Red
    Exit 1
}

Write-Host ""

# Step 3: Add Registry Entry 2 (Community - Windows 11)
Write-Host "[STEP 3/6] Adding Class ID 1853569164 (Community-Discovered)..." -ForegroundColor Yellow
Write-Host "   Source: Windows Forums, Reddit, TechPowerUp (Unsupported)" -ForegroundColor Gray
Write-Host "   Purpose: NVMe Enhancement Component 1 (Windows 11 25H2)" -ForegroundColor Gray
try {
    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 1853569164 /t REG_DWORD /d 1 /f | Out-Null
    Write-Host "✓ Class ID 1853569164 added successfully" -ForegroundColor Green
} catch {
    Write-Host "✗ Failed to add Class ID 1853569164" -ForegroundColor Red
    Write-Host "   Error: $_" -ForegroundColor Red
    Exit 1
}

Write-Host ""

# Step 4: Add Registry Entry 3 (Community - Windows 11)
Write-Host "[STEP 4/6] Adding Class ID 156965516 (Community-Discovered)..." -ForegroundColor Yellow
Write-Host "   Source: Deskmodder, Heise, Windows Forums (Unsupported)" -ForegroundColor Gray
Write-Host "   Purpose: NVMe Enhancement Component 2 (Windows 11 25H2)" -ForegroundColor Gray
try {
    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 156965516 /t REG_DWORD /d 1 /f | Out-Null
    Write-Host "✓ Class ID 156965516 added successfully" -ForegroundColor Green
} catch {
    Write-Host "✗ Failed to add Class ID 156965516" -ForegroundColor Red
    Write-Host "   Error: $_" -ForegroundColor Red
    Exit 1
}

Write-Host ""

# Step 5: Add Registry Entry 4 (Community - Windows 11)
Write-Host "[STEP 5/6] Adding Class ID 735209102 (Community-Discovered)..." -ForegroundColor Yellow
Write-Host "   Source: PC Gamer, Tom's Hardware, NotebookCheck, VideoCardz (Unsupported)" -ForegroundColor Gray
Write-Host "   Purpose: NVMe Enhancement Component 3 - KEY (Windows 11 25H2)" -ForegroundColor Gray
try {
    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 735209102 /t REG_DWORD /d 1 /f | Out-Null
    Write-Host "✓ Class ID 735209102 added successfully" -ForegroundColor Green
} catch {
    Write-Host "✗ Failed to add Class ID 735209102" -ForegroundColor Red
    Write-Host "   Error: $_" -ForegroundColor Red
    Exit 1
}

Write-Host ""

# Step 6: Summary and Restart Prompt
Write-Host "[STEP 6/6] Verification and Restart" -ForegroundColor Yellow
Write-Host ""
Write-Host "========================================" -ForegroundColor Green
Write-Host "✓ ALL REGISTRY ENTRIES ADDED" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "Summary:" -ForegroundColor Cyan
Write-Host "  • System Restore Point: Created ✓" -ForegroundColor Green
Write-Host "  • Class ID 1176759950: Added ✓ (Microsoft Official)" -ForegroundColor Green
Write-Host "  • Class ID 1853569164: Added ✓ (Community)" -ForegroundColor Green
Write-Host "  • Class ID 156965516:  Added ✓ (Community)" -ForegroundColor Green
Write-Host "  • Class ID 735209102:  Added ✓ (Community)" -ForegroundColor Green
Write-Host ""
Write-Host "⚠ IMPORTANT: You MUST restart your system for changes to take effect!" -ForegroundColor Yellow
Write-Host ""
Write-Host "Next Steps:" -ForegroundColor Cyan
Write-Host "  1. Restart your computer NOW"
Write-Host "  2. After restart, open Device Manager (devmgmt.msc)"
Write-Host "  3. Check 'Storage disks' - NVMe devices should appear there"
Write-Host "  4. Right-click NVMe device → Properties → Driver"
Write-Host "  5. Verify driver is 'nvmedisk.sys'"
Write-Host ""
Write-Host "To Restart Now, press 'R' and Enter:" -ForegroundColor Yellow
$restart = Read-Host "Restart? (R/N)"
if ($restart -eq "R" -or $restart -eq "r") {
    Write-Host "Restarting in 10 seconds..." -ForegroundColor Yellow
    Start-Sleep -Seconds 10
    Restart-Computer -Force
} else {
    Write-Host "Remember to restart manually to apply changes!" -ForegroundColor Yellow
}

METHOD 2: REGISTRY FILE (.REG) - ENABLE NVMe

Registry File - Adding NVMe Registry Entries

Source Documentation:

  • Class ID 1176759950: Microsoft Tech Community (Official)
  • Class ID 1853569164: Windows Forums, Reddit, TechPowerUp (Community)
  • Class ID 156965516: Deskmodder, Heise, Windows Forums (Community)
  • Class ID 735209102: PC Gamer, Tom's Hardware, NotebookCheck, VideoCardz (Community)

Importance of Restore Point: Before importing this .REG file, ensure you've created a System Restore Point (see instructions at top of this guide). This allows you to instantly restore if issues occur.

Step 1: Create the .REG File for Addition

  1. Open Notepad (Win+R, type notepad, press Enter)

  2. Copy and paste the entire content below:

Windows Registry Editor Version 5.00

; NVMe Native Driver Registry Enhancement - ADDITION
; Source: Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware
; Created restore point before applying? YES - PROCEED / NO - CANCEL THIS
; 
; Class ID 1176759950: Official Microsoft (Windows Server 2025)
; Class ID 1853569164: Community-discovered (Windows 11 25H2)
; Class ID 156965516: Community-discovered (Windows 11 25H2)
; Class ID 735209102: Community-discovered (Windows 11 25H2)

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides]
"1176759950"=dword:00000001
"1853569164"=dword:00000001
"156965516"=dword:00000001
"735209102"=dword:00000001
  1. Save the file:
    • Click File → Save As
    • Name: enable-nvme.reg
    • Save as type: All Files (*.*)
    • Location: Desktop (for easy access)
    • Click Save

Step 2: Apply the .REG File

  1. Navigate to Desktop where you saved enable-nvme.reg
  2. Right-click the file → Select "Merge"
  3. Click "Yes" when prompted: "Are you sure you want to add the information in [path] to the registry?"
  4. Click "OK" when confirmation appears: "The keys and values have been successfully added to the registry"
  5. Restart your computer

VERIFY SUCCESS

Verification Steps

  1. Open Device Manager: Press Win+X, select "Device Manager" or press Win+R, type devmgmt.msc, press Enter
  2. Expand "Storage disks" - You should see your NVMe device(s)
  3. Right-click your NVMe drive → Select "Properties"
  4. Click the "Driver" tab
  5. Check the Driver file name:
    • ✅ Should show: nvmedisk.sys (Native NVMe driver - SUCCESS)
    • ❌ If showing: StorNVMe.sys (SCSI emulation driver - Changes not applied)

Performance Notes

  • Native NVMe driver may show different performance metrics in monitoring tools
  • Some SMART monitoring utilities may need updates to read NVMe SMART data via native driver
  • Most gaming and workload performance will see improvement or remain similar
  • Thermal management may be more aggressive with native driver

CLASS ID REFERENCE

Class ID Name Source Official? For Windows
1176759950 Primary Native NVMe Microsoft Tech Community ✅ YES Server 2025
1853569164 Enhancement 1 Windows Forums, Reddit ❌ NO 11 25H2
156965516 Enhancement 2 Deskmodder, Heise ❌ NO 11 25H2
735209102 Enhancement 3 (KEY) PC Gamer, Tom's Hardware ❌ NO 11 25H2

NVMe Registry Enhancement - DISABLE GUIDE

📋 What This Guide Covers

This guide helps you safely disable the Native NVMe driver enhancements you previously enabled. Use this if:

✅ When to use:

  • You experience issues with the Native NVMe driver
  • You want to revert to the default SCSI driver stack
  • You need to troubleshoot system instability
  • Performance issues appeared after enabling NVMe
  • Your SMART monitoring tool isn't working properly

✅ What you get:

  • Removes the 4 Class ID values (1176759950, 1853569164, 156965516, 735209102)
  • Registry key structure remains (empty but present)
  • Return to default StorNVMe.sys (SCSI emulation driver)
  • System Restore option for instant rollback
  • Clear verification steps
  • Easy to re-enable later if needed

📥 QUICK DOWNLOAD

Choose your preferred method:

Method File Download What It Does Sources
PowerShell Script disable-nvme.ps1 ⬇️ Download PS1 Removes the 4 Class ID values only (keeps registry key structure intact) Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware
Registry File disable-nvme.reg ⬇️ Download REG Removes Class IDs 1176759950, 1853569164, 156965516, 735209102 values Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware

Class IDs Removed:

  • ✅ 1176759950 - Primary Native NVMe
  • ✅ 1853569164 - Enhancement 1
  • ✅ 156965516 - Enhancement 2
  • ✅ 735209102 - Enhancement 3 KEY

Reverts to: StorNVMe.sys (Default SCSI emulation driver)

Both files are pre-configured and ready to use. Download one, save to Desktop, and run as Administrator.

CRITICAL PREREQUISITE: Create System Restore Point

⚠️ BEFORE APPLYING ANY CHANGES - DO THIS FIRST:

Before applying any of the scripts below, you MUST create a System Restore Point. This allows you to roll back all changes instantly if something goes wrong.

Creating a System Restore Point (Windows 11/Server 2025)

Method 1: GUI (Easiest)

  1. Press Win+R, type rstrui.exe, press Enter
  2. Click "Create a restore point..."
  3. Select your system drive (usually C:)
  4. Click "Create..." button
  5. Name it: NVMe-Before-Registry-Changes or similar
  6. Click "Create"
  7. Wait for completion (1-2 minutes)
  8. Click "Close"

Method 2: PowerShell (Automated)

# Run as Administrator - Creates restore point automatically
Checkpoint-Computer -Description "NVMe-Before-Registry-Changes" -RestorePointType "MODIFY_SETTINGS"
Write-Host "System Restore Point Created Successfully"

Method 3: Command Prompt (Alternative)

wmic.exe /namespace:\\root\default path SystemRestore Call CreateRestorePoint "NVMe-Before-Registry-Changes", 12, 7

Why This Matters: If the scripts cause any issues (boot failure, driver conflicts, BitLocker activation), you can instantly restore your system to this exact point without needing to reinstall Windows or recover from backup.

Registry Path (Location for All Scripts)

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides

METHOD 1: POWERSHELL - DISABLE NVMe

PowerShell - Removing NVMe Registry Entries

When to Use: If you experience issues or want to revert to SCSI driver stack

Important: You can restore instantly using the Restore Point created earlier, OR use this removal script

PowerShell Removal Script (Copy & Paste Ready)

# NVMe Native Driver Registry Enhancement - REMOVAL
# Run as Administrator
# Removes all NVMe registry entries and offers restore point option

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "NVMe Registry Enhancement - REMOVAL" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# Check if running as Administrator
if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
    Write-Host "ERROR: This script must be run as Administrator!" -ForegroundColor Red
    Write-Host "Please right-click PowerShell and select 'Run as administrator'" -ForegroundColor Red
    Exit 1
}

Write-Host "✓ Running as Administrator" -ForegroundColor Green
Write-Host ""
Write-Host "⚠ WARNING: This will remove NVMe registry entries!" -ForegroundColor Yellow
Write-Host "Are you sure you want to continue? (Y/N)" -ForegroundColor Yellow
$confirmation = Read-Host
if ($confirmation -ne "Y" -and $confirmation -ne "y") {
    Write-Host "Removal cancelled by user" -ForegroundColor Yellow
    Exit 0
}

Write-Host ""

# Step 1: Remove Registry Entry 1
Write-Host "[STEP 1/5] Removing Class ID 1176759950..." -ForegroundColor Yellow
try {
    reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 1176759950 /f 2>$null | Out-Null
    Write-Host "✓ Class ID 1176759950 removed" -ForegroundColor Green
} catch {
    Write-Host "⚠ Class ID 1176759950 not found or already removed" -ForegroundColor Yellow
}

Write-Host ""

# Step 2: Remove Registry Entry 2
Write-Host "[STEP 2/5] Removing Class ID 1853569164..." -ForegroundColor Yellow
try {
    reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 1853569164 /f 2>$null | Out-Null
    Write-Host "✓ Class ID 1853569164 removed" -ForegroundColor Green
} catch {
    Write-Host "⚠ Class ID 1853569164 not found or already removed" -ForegroundColor Yellow
}

Write-Host ""

# Step 3: Remove Registry Entry 3
Write-Host "[STEP 3/5] Removing Class ID 156965516..." -ForegroundColor Yellow
try {
    reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 156965516 /f 2>$null | Out-Null
    Write-Host "✓ Class ID 156965516 removed" -ForegroundColor Green
} catch {
    Write-Host "⚠ Class ID 156965516 not found or already removed" -ForegroundColor Yellow
}

Write-Host ""

# Step 4: Remove Registry Entry 4
Write-Host "[STEP 4/5] Removing Class ID 735209102..." -ForegroundColor Yellow
try {
    reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /v 735209102 /f 2>$null | Out-Null
    Write-Host "✓ Class ID 735209102 removed" -ForegroundColor Green
} catch {
    Write-Host "⚠ Class ID 735209102 not found or already removed" -ForegroundColor Yellow
}

Write-Host ""

# Step 5: Summary and Restart
Write-Host "[STEP 5/5] Completion" -ForegroundColor Yellow
Write-Host ""
Write-Host "========================================" -ForegroundColor Green
Write-Host "✓ ALL REGISTRY ENTRIES REMOVED" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "Next Steps:" -ForegroundColor Cyan
Write-Host "  • Restart your computer for changes to take effect"
Write-Host "  • System will revert to using StornVme.sys driver (SCSI stack)"
Write-Host ""
Write-Host "Alternative: Use System Restore to instantly revert to previous state" -ForegroundColor Cyan
Write-Host "  1. Press Win+R, type 'rstrui.exe', press Enter"
Write-Host "  2. Select 'NVMe-Before-Registry-Changes' restore point"
Write-Host "  3. Click 'Restore' and restart"
Write-Host ""
Write-Host "Restart now? (R/N)" -ForegroundColor Yellow
$restart = Read-Host
if ($restart -eq "R" -or $restart -eq "r") {
    Write-Host "Restarting in 10 seconds..." -ForegroundColor Yellow
    Start-Sleep -Seconds 10
    Restart-Computer -Force
} else {
    Write-Host "Remember to restart manually to apply changes!" -ForegroundColor Yellow
}

METHOD 2: REGISTRY FILE (.REG) - DISABLE NVMe

Registry File - Removing NVMe Registry Entries

When to Use: If you experience issues or want to revert

Step 1: Create the .REG File for Removal

  1. Open Notepad (Win+R, type notepad, press Enter)

  2. Copy and paste the entire content below:

Windows Registry Editor Version 5.00

; NVMe Native Driver Registry Enhancement - REMOVAL
; This file removes all NVMe registry entries
; Source: Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware
; 
; The "-" prefix before the value removes it from registry
; Alternative: Use System Restore Point for instant rollback

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides]
"1176759950"=-
"1853569164"=-
"156965516"=-
"735209102"=-
  1. Save the file:
    • Click File → Save As
    • Name: disable-nvme.reg
    • Save as type: All Files (*.*)
    • Location: Desktop
    • Click Save

Step 2: Apply the Removal .REG File

  1. Navigate to Desktop where you saved disable-nvme.reg
  2. Right-click the file → Select "Merge"
  3. Click "Yes" when prompted
  4. Click "OK" when confirmation appears
  5. Restart your computer

RECOVERY OPTIONS

Fastest Rollback Option (Recommended)

System Restore Point (Instant Recovery):

  1. Press Win+R, type rstrui.exe, press Enter
  2. Select "NVMe-Before-Registry-Changes"
  3. Click "Restore" and restart
  4. This is instant and guaranteed to work

After Disabling NVMe

Once disabled and restarted:

  • System will revert to using StorNVMe.sys driver (SCSI emulation stack)
  • NVMe devices will appear as generic SCSI devices in Device Manager
  • Performance may be slightly reduced compared to native driver
  • SMART data monitoring will work normally with standard tools

Verification Steps

  1. Open Device Manager: Press Win+X, select "Device Manager"
  2. Expand "Storage disks"
  3. Right-click your NVMe drive → Select "Properties"
  4. Click the "Driver" tab
  5. Verify:
    • ✅ Should show: StorNVMe.sys (SCSI emulation driver - Disabled successfully)
    • ❌ If showing: nvmedisk.sys (Native driver still active - Try again)

SAFE BOOT NOTES

If experiencing issues in Safe Mode:

  • Registry edits persist in Safe Boot mode (they don't get disabled)
  • To fully disable NVMe enhancements in Safe Boot, use one of the removal methods above
  • System Restore is the fastest way to recover:
    1. Boot to Safe Mode with Command Prompt
    2. Run restore in Safe Mode
    3. Guarantees clean revert

CLASS ID REFERENCE

Class ID Name Source Official? For Windows
1176759950 Primary Native NVMe Microsoft Tech Community ✅ YES Server 2025
1853569164 Enhancement 1 Windows Forums, Reddit ❌ NO 11 25H2
156965516 Enhancement 2 Deskmodder, Heise ❌ NO 11 25H2
735209102 Enhancement 3 (KEY) PC Gamer, Tom's Hardware ❌ NO 11 25H2

Need Complete Registry Cleanup?

Want to delete the ENTIRE registry key? → Continue to the Cleanup guide

NVMe Registry Enhancement - CLEANUP GUIDE

🔥 NUCLEAR OPTION - COMPLETE REGISTRY CLEANUP

This is the most aggressive cleanup method - Complete deletion of the entire registry key path.

When You Need This

Use the Cleanup guide if:

✅ Advanced scenarios:

  • You want a complete registry deletion (not just value removal)
  • Entire registry key path deleted: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides
  • Troubleshooting complex registry issues
  • Preparing for migration or system optimization
  • You need guaranteed complete removal with zero registry remnants
  • Professional cleanup or system preparation

✅ What you get:

  • Complete deletion of entire registry key path
  • All values AND the key structure removed
  • Nuclear-level cleanup (no partial entries remain)
  • Fresh registry state
  • Guaranteed removal of all modifications
  • System Restore for instant rollback if needed

⚠️ COMPARE:

  • Disable = Removes the 4 Class ID values (key stays empty)
  • Cleanup = Removes entire key + all subkeys (complete deletion)

⚠️ WARNING: This is irreversible without your System Restore Point - make sure it's created first!

📥 QUICK DOWNLOAD

Choose your preferred method:

Method File Download What It Does Sources
PowerShell Script cleanup-nvme.ps1 ⬇️ Download PS1 Deletes entire registry key path - removes key + all values + subkeys, requires YES confirmation Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware
Registry File cleanup-nvme.reg ⬇️ Download REG Deletes entire registry key - removes complete FeatureManagement\Overrides key structure Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware

What Gets Deleted:

  • ✅ Complete Key Path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides
  • ✅ All values inside the key (1176759950, 1853569164, 156965516, 735209102)
  • ✅ All subkeys and related registry entries

Most Aggressive Cleanup: This is the nuclear option - zero registry remnants remain

Both files are pre-configured and ready to use. Download one, save to Desktop, and run as Administrator. Requires confirmation.

⚠️ DETAILED CLEANUP INSTRUCTIONS

WARNING: This guide covers complete deletion of the entire registry key path. This is the most aggressive cleanup method.

CRITICAL PREREQUISITE: Create System Restore Point

⚠️ BEFORE APPLYING ANY CHANGES - DO THIS FIRST:

Before applying any of the scripts below, you MUST create a System Restore Point. This allows you to roll back all changes instantly if something goes wrong.

Creating a System Restore Point (Windows 11/Server 2025)

Method 1: GUI (Easiest)

  1. Press Win+R, type rstrui.exe, press Enter
  2. Click "Create a restore point..."
  3. Select your system drive (usually C:)
  4. Click "Create..." button
  5. Name it: NVMe-Before-Registry-Changes or similar
  6. Click "Create"
  7. Wait for completion (1-2 minutes)
  8. Click "Close"

Method 2: PowerShell (Automated)

# Run as Administrator - Creates restore point automatically
Checkpoint-Computer -Description "NVMe-Before-Registry-Changes" -RestorePointType "MODIFY_SETTINGS"
Write-Host "System Restore Point Created Successfully"

Method 3: Command Prompt (Alternative)

wmic.exe /namespace:\\root\default path SystemRestore Call CreateRestorePoint "NVMe-Before-Registry-Changes", 12, 7

Why This Matters: If the scripts cause any issues (boot failure, driver conflicts, BitLocker activation), you can instantly restore your system to this exact point without needing to reinstall Windows or recover from backup.

Registry Path (Location for All Scripts)

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides

METHOD 1: POWERSHELL - COMPLETE CLEANUP

PowerShell - Complete Registry Cleanup (Nuclear Option)

When to Use: If you want to completely delete the entire registry key path and all its contents (most aggressive cleanup)

⚠️ WARNING: This removes the ENTIRE key, not just individual values. This is irreversible without restoring from your System Restore Point.

PowerShell Complete Cleanup Script (Copy & Paste Ready)

# NVMe Native Driver Registry Enhancement - COMPLETE CLEANUP
# Run as Administrator
# Completely removes the entire registry key and all its contents
# THIS IS THE NUCLEAR OPTION - use only if you want total cleanup

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "NVMe Registry Enhancement - COMPLETE CLEANUP" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# Check if running as Administrator
if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
    Write-Host "ERROR: This script must be run as Administrator!" -ForegroundColor Red
    Write-Host "Please right-click PowerShell and select 'Run as administrator'" -ForegroundColor Red
    Exit 1
}

Write-Host "✓ Running as Administrator" -ForegroundColor Green
Write-Host ""
Write-Host "⚠ WARNING: This will DELETE THE ENTIRE registry key path!" -ForegroundColor Yellow
Write-Host "This removes the complete FeatureManagement\Overrides key and all its values." -ForegroundColor Yellow
Write-Host ""
Write-Host "Registry Path to be deleted:" -ForegroundColor Yellow
Write-Host "  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" -ForegroundColor Red
Write-Host ""
Write-Host "Are you SURE you want to continue? (type 'YES' to confirm)" -ForegroundColor Yellow
$confirmation = Read-Host
if ($confirmation -ne "YES") {
    Write-Host "Cleanup cancelled by user" -ForegroundColor Yellow
    Exit 0
}

Write-Host ""
Write-Host "[STEP 1/3] Deleting entire registry key..." -ForegroundColor Yellow
try {
    reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides" /f 2>$null | Out-Null
    Write-Host "✓ Registry key completely deleted" -ForegroundColor Green
} catch {
    Write-Host "⚠ Key not found or already deleted" -ForegroundColor Yellow
}

Write-Host ""
Write-Host "[STEP 2/3] Verification" -ForegroundColor Yellow

# Try to read to verify deletion
$path = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides"
$result = reg query $path 2>&1
if ($result -match "cannot find") {
    Write-Host "✓ Confirmed: Registry key has been completely removed" -ForegroundColor Green
} else {
    Write-Host "⚠ Warning: Key may still exist (requires restart to confirm)" -ForegroundColor Yellow
}

Write-Host ""
Write-Host "[STEP 3/3] Completion" -ForegroundColor Yellow
Write-Host ""
Write-Host "========================================" -ForegroundColor Green
Write-Host "✓ COMPLETE CLEANUP FINISHED" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "Summary:" -ForegroundColor Cyan
Write-Host "  • Entire FeatureManagement\Overrides key: DELETED ✓" -ForegroundColor Green
Write-Host "  • All NVMe registry entries: REMOVED ✓" -ForegroundColor Green
Write-Host ""
Write-Host "Next Steps:" -ForegroundColor Cyan
Write-Host "  • Restart your computer for changes to take effect"
Write-Host "  • System will revert to default Windows driver behavior"
Write-Host ""
Write-Host "Restart now? (R/N)" -ForegroundColor Yellow
$restart = Read-Host
if ($restart -eq "R" -or $restart -eq "r") {
    Write-Host "Restarting in 10 seconds..." -ForegroundColor Yellow
    Start-Sleep -Seconds 10
    Restart-Computer -Force
} else {
    Write-Host "Remember to restart manually to apply changes!" -ForegroundColor Yellow
}

METHOD 2: REGISTRY FILE (.REG) - COMPLETE CLEANUP

Registry File - Complete Registry Cleanup (Nuclear Option)

When to Use: If you want to completely delete the entire registry key path and all its contents

⚠️ WARNING: This removes the ENTIRE key structure, not just individual values.

Step 1: Create the .REG File for Complete Cleanup

  1. Open Notepad (Win+R, type notepad, press Enter)

  2. Copy and paste the entire content below:

Windows Registry Editor Version 5.00

; NVMe Native Driver Registry Enhancement - COMPLETE CLEANUP
; This file DELETES the entire registry key path
; WARNING: This is the nuclear option - removes everything under Overrides
; Source: Microsoft Tech Community, Windows Forums, PC Gamer, Tom's Hardware
; 
; This removes the complete key:
; HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides

[-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Policies\Microsoft\FeatureManagement\Overrides]
  1. Save the file:
    • Click File → Save As
    • Name: cleanup-nvme.reg
    • Save as type: All Files (*.*)
    • Location: Desktop
    • Click Save

Step 2: Apply the Complete Cleanup .REG File

  1. Navigate to Desktop where you saved cleanup-nvme.reg
  2. Right-click the file → Select "Merge"
  3. Click "Yes" when prompted: "Are you sure you want to add the information in [path] to the registry?"
  4. Click "OK" when confirmation appears
  5. Restart your computer

RECOVERY & ROLLBACK

If Something Goes Wrong

System Restore Point (Fastest Recovery):

  1. Press Win+R, type rstrui.exe, press Enter
  2. Select "NVMe-Before-Registry-Changes"
  3. Click "Restore" and restart
  4. This instantly reverts all changes - guaranteed to work

Note: This is why the System Restore Point at the beginning is CRITICAL. It's your safety net for complete cleanup.

AFTER CLEANUP

Once complete cleanup is applied and restarted:

System Behavior

  • All NVMe enhancements completely removed
  • System returns to default Windows driver behavior
  • Registry path will be recreated by Windows if needed (for other features)
  • Clean slate - no remnants of previous modifications

Verification

  1. Open Device Manager: Press Win+X, select "Device Manager"
  2. Expand "Storage disks"
  3. Check your NVMe drive - Should be under SCSI devices
  4. Driver should be: StorNVMe.sys (default SCSI emulation)

Performance Impact

  • May see a very slight performance difference
  • System stability improved (if previous changes caused issues)
  • Standard Windows monitoring tools work normally

COMPARISON: CLEANUP VS DISABLE

Option What Gets Removed Reversibility Speed Use Case
Disable NVMe Individual Class ID values Easy - Disable script removes only entries Fast Turning off NVMe driver but keeping registry structure
Complete Cleanup Entire registry key path Full - Requires System Restore or manual restoration Very Fast Total cleanup, fresh start, troubleshooting

SAFE BOOT RECOVERY

If you need to recover in Safe Mode:

  1. Boot to Safe Mode with Command Prompt
  2. Press Win+R, type rstrui.exe, press Enter
  3. Select "NVMe-Before-Registry-Changes"
  4. Click "Restore" and restart
  5. System fully restored

CLASS ID REFERENCE

Class ID Name Source Official? For Windows
1176759950 Primary Native NVMe Microsoft Tech Community ✅ YES Server 2025
1853569164 Enhancement 1 Windows Forums, Reddit ❌ NO 11 25H2
156965516 Enhancement 2 Deskmodder, Heise ❌ NO 11 25H2
735209102 Enhancement 3 (KEY) PC Gamer, Tom's Hardware ❌ NO 11 25H2

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Windows PowerShell and Registry scripts to optimize NVMe SSD performance on Windows 11 and Windows Server 2025 using the native NVMe driver stack

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