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FIXED: Local Security Authority Protection Is Off In Windows 11

Uninstalling faulty Windows updates and shady third-party apps, running security scans, and enabling LSA from Local Group Policy are some solutions for this problem.

The message “Local Security Authority Protection Is Off” on Windows 11 may indicate potential security vulnerabilities due to corrupt Windows updates, inaccurate LSA configurations, and more. On the other hand, repairing and resetting the Windows Security app and updating the Windows are quick ways to resolve the issue.

Key Takeaways

  • You may face the problem due to incorrect settings, corrupt data, glitches within the Windows Security app, and more.
  • Enable the LSA via Local Group Policy or Registry Editor, undo faulty Windows updates, or scan for threats to eliminate the warning.
  • Ensure you have backed up important files and created System Restore Points before troubleshooting this issue.

What Causes Local Security Authority Protection Is Off Windows 11 Error?

Local Security Authority Protection Is Off Error Message
Local Security Authority Protection Is Off (Image By Tech4Gamers)

We can list down multiple causes behind this issue, such as;

  • Faulty or corrupt Windows updates.
  • Corrupt system files.
  • Temporary glitches or bugs.
  • Presence of malware and virus in the system.
  • Incorrect Windows configurations.
  • Outdated Windows.

Those who face the issue will see the following message on the screen:

Error Message: This change requires you to restart your device. Local Security Authority protection is off. Your device may be vulnerable.

Also Read: Windows 11 Stuck On Restarting Screen

How To Fix Local Security Authority Protection Is Off Windows 11?

These are all the solutions to help you troubleshoot this problem:

  1. Verify The Warning.
  2. Enable Local Security Authority.
  3. Use Local Group Policy Editor.
  4. Change Registry Settings.
  5. Undo Windows Updates.
  6. Use Windows PowerShell.
 Important: Apply basic troubleshooting steps, like power cycling the computer, updating Windows, and scanning for malware and viruses before moving on.  

Verify The Warning

We found that sometimes, this message may be a false warning about LSA being turned off. Hence, we need to verify if the problem exists.

These are the steps to verify the warning:

  1. Launch the “Event Viewer” app.
  2. Navigate to “Applications And Services Logs.”
    Applications And Services Logs in Event Viewer
    Applications And Services Logs (Image By Tech4Gamers)
  3. Select “Microsoft.”
  4. Choose “Windows.”
  5. Proceed to find “Local Security Authority.”
  6. Look for the Event ID 5004. Its presence means that LSA is enabled, and you got a false warning.

Also Read: How To Get Into BIOS [Windows 11]

Enable Local Security Authority

Before trying anything, ensure that the LSA is enabled and you did not mistakenly turn it off on your system. In case you are getting the error message despite LSA being active, we would advise you to ignore it.

Here is how you can double-check the LSA status:

  1. Search “Windows Security” in Windows Search and open the results.
  2. Go to “Device Security” on the left pane.
  3. Click the “Core Isolation Details” button under the “Core Isolation” heading.
    Core Isolation Details In Device Security
    Core Isolation Details (Image By Tech4Gamers)
  4. Turn on “Local Security Authority Protection” via the toggle switch.
    Enable LSA With Toggle Button
    Enable LSA (Image By Tech4Gamers)
  5. Hit “Yes” in the UAC dialog box.

Also Read: Windows 11 Time Zone Greyed Out

Use Local Group Policy Editor

Alternatively, we used the Local Group Policy Editor to enable LSA and configure the correct settings. The interface lets you configure crucial Windows processes and services. Hence, we noted the error message was gone after activating the LSA Group Policy.

Follow the steps below for this fix:

  1. Access the “Run” menu with the “Windows+R” keys.
  2. Search for “gpedit.msc.”
  3. Click on “Administrative Templates” under “Computer Configuration.”
  4. Then, select “System.”
  5. Pick “Local Security Authority.”
    Select Local Security Authority Option
    Local Security Authority (Image By Tech4Gamers)
  6. Come to the right side of this screen and right-click “Configure LSASS To Run As A Protected Process.”
    Configure LSASS To Run
    Configure LSASS (Image By Tech4Gamers)
  7. Choose “Enabled.”
  8. In the “Options” drop-down, select “Enabled With UEFI Lock.”
  9. Go with “Apply” and then “OK.”
Enable LSASSS To Run
Enabled (Image By Tech4Gamers)
WARNING: Don’t make major changes in the Policy Editor as it contains important files.

Change Registry Settings

One more technique of turning on the Local Security Authority is via the Registry Editor. Although vigilantly deal with each step to avoid any system malfunctions. Additionally, this method also worked for some Reddit users.

These are the exact steps you should perform:

  1. Execute the code “regedit” in the “Run” box.
  2. Type the address “Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa” in the “Address Bar.”
    Enter Address In Address Bar
    LSA Search (Image By Tech4Gamers)
  3. Now, right-click on the black part of this screen and choose “New.”
  4. Pick “DWORD (32bit) Value” from the following mini-menu.
  5. Name the folder “RunAsPPL.”
  6. Repeat this to create another folder, “RunAsPPLBoot.”
    Create DWORD And Name Them
    Create DWORD (Image By Tech4Gamers)
  7. Next, click on each of these folders and pick “2” in the “Value Data” section.
    Change Value Data To 2
    Change Value Data (Image By Tech4Gamers)
  8. Restart your computer.
 Important: Look for these two folders, if they already exist, before creating them.  

Also Read: Windows 11: Computer Won’t Wake Up From Sleep

Undo Windows Updates

Faulty Windows updates can also be responsible for interfering with LSA’s running on the system. Besides, some users reported receiving the error message after installing Windows updates, so we tested undoing those updates, and it seemed to work.

Use these instructions to uninstall Windows updates:

  1. Head to the “Settings” and open the “Windows Update” tab.
  2. Select “Update History.”
  3. Scroll down and pick “Uninstall Updates.”
    Uninstall Updates Option
    Uninstall Updates (Image By Tech4Gamers)
  4. Right-click the topmost Windows update and click “Uninstall.”
    Uninstall Faulty Windows Update
    Uninstall Windows Update (Image By Tech4Gamers)
  5. Process with the uninstallation with “Yes.”
  6. Lastly, pick “Restart Now.”

Use Windows PowerShell

Several users reported that running a certain code in PowerShell instantly helped fix the issue. So, we tried the fix, and it worked. Enter this code as it is into the PowerShell box:
reg add HKLM\SYSTEM\CurrentControlSet\Control\Lsa /v RunAsPPL /t REG_DWORD /d 2 /f;reg add HKLM\SYSTEM\CurrentControlSet\Control\Lsa /v RunAsPPLBoot /t REG_DWORD /d 2 /f; 

WARNING: If the issue is being caused due to corrupt files, your only option will be to reinstall Windows.

Frequently Asked Questions

What Does “Local Security Authority Protection Is Off” Mean In Windows 11?

It is a security warning that LSA may not be working on your system and might be at risk of getting exposed to threats.

Why Am I Seeing This Error Message?

Malware or viruses, faulty Windows updates, and misconfigured settings are some reasons for this issue.

How Do I Fix Windows 11 Local Security Authority Protection Is Off?

Scan your computer for threats, manually enable LSA, or update your Windows to fix the problem.

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