Windows 10: Defender for Business - scan policy don't work.

Hi All! We just started to use Defender for Business. I succesfully onboarded some Win10 and Win11 devices. I see these devices in the Device Inventory. We use the default in-bulit policy Device configuration / Next-generation protection / NGP Windows default policy. We have "daily full scan" settings in the NGP Windows default policy , but when I open the Windows Security in our onboarded devices I don't see the effect of the policy, I see that the quick scan are set. How I checked that the default policy or other policies has take affect for our devices and why the scan policies or th

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Windows 10 - Defender Offline Scan not working

 

defender scans

Hi Ian,

Thanks for posting your query on Microsoft Community.

This issue might occur if you have set any task scheduler for Windows Defender.

I suggest you to delete the task for Windows defender and check if it helps.

Follow the below steps:

• 
  Search and open Schedule tasks.
  
• 
  In the left-hand menu, open the Task Scheduler Library, then select
  Microsoft >Windows >Windows Defender.
  
• 
  Double-click Windows Defender Scheduled Scan.
  
• 
  Select the Triggers panel, then select Delete.
  

Hope it helps, reply to us with the status of your issue. We will be happy to assist you.

 

Windows Defender Group Policy Disabeled

Hi,

Thank you for contacting Microsoft community.

As you have stated you want to disable the group policy so that you can run windows defender on the computer.

I would like to suggest few troubleshooting steps:

Method 1: Disable group policy from gpedit.msc

• 
  Press Windows key + R.
  
• 
  Type gpedit.msc and click Ok.(it will open Local Group policy editor)
  
• 
  Go to Computer Configuration/Administrative Templates/Windows Components/Windows Defender.
  
• 
  In the right pane of
  Windows Defender in Local Group Policy Editor, double click/tap on the
  Turn off Windows Defender policy to edit it.
  
• 
  Select (dot) Not Configured or
  Disabled, click/tap on OK,
  
• 
  When finished, you can close the Local Group Policy Editor if you like.
  

If the issue still persist you can follow method 2.

Method 2: Disable group policy from registry.

Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow
these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the
article in the Microsoft Knowledge Base:

How to back up and restore the registry in Windows

How to back up and restore the registry in Windows

• 
  Press Window Key +R.
  
• 
  Type regedit and click. (it will open registry)
  
• 
  Go to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
  
• 
  Right Click on Window Defender to create a new Dword.
  
• 
  Click on New and Select Dword.
  
• 
  Type DisableAntiSpyware.
  
• 
  Right click on DisableAntiSpyware and click on modify.
  
• 
  Set the value to 0 instead of 1.
  

Hope this information is helpful. If the issue still persists, you can write back to us and we will be glad to assist you further.