SOLVED! Service Host: Network Service High Network – Video Included

When the Service Host: Network Service is running, you will likely complain of Service Host: Network Service high network and you will have to end this task. Other recommended solutions include running the troubleshooter, running an SFC scan, enabling metered connection, resetting the network, disabling Delivery Optimization, and applying changes to the Local Group Policy Editor. To tame Service Host: Network Service, you will need to put all the solutions mentioned in this article into practice.

The Root Of The Problem


On Windows, system files could get corrupted due to quite a few reasons: malware, crash, power outages etc. Regardless, if corruption exists in system files, your PC could go haywire out of the blue. Thus, once it comes to Service Host: Network Service high network, you may want to take corruption into account. 


By changing connecting settings, Windows users could tweak network activities on their devices. In the case that you allow everything to do as they please, network usage could spring out of control on occasions. 

Delivery Optimization

The Delivery Optimization service proves essential during the update of operating system and Windows Store apps. However, it’s worth pointing out that when Delivery Optimization is running, network usage tends to spike. You notice Service Host: Network Service high network as soon as you open Task Manager? In that case, you should give Delivery Optimization some thought.

Actions To Take

End Task

  • Step 1: Right-click an empty spot in the taskbar and pick Task Manager
  • Step 2: In Processes, locate Service Host: Network Service, right-click it then pick End task.
  • Step 3: Close Task Manager, restart your computer and see how things turn out.

Run Troubleshooter

  • Step 1: Press Windows + I to open Settings, select Update & Security then choose Troubleshoot.
  • Step 2: Click Additional troubleshooters then click Windows Update.
  • Step 3: Hit Run the troubleshooter then allow the troubleshooting to run all the way.
  • Step 4: Assuming that the troubleshooter manages to identify the cause, pick Apply this fix.
  • Step 5: Return to Additional troubleshooters, click Internet connections and repeat the process. Lastly, close everything then determine whether the issue persists.

Run SFC Scan

  • Step 1: Press Windows + X to open Quick Link Menu.
  • Step 2: Pick Command Prompt(Admin) to open the Command Prompt with administrative privileges.
  • Step 3: In Command Prompt, type sfc /scannow then hit Enter to run SFC scan. After you finish, restart your computer. 

Enable Metered Connection

  • Step 1: Press Windows + I to open Settings.
  • Step 2: Select Network & internet then go to Wi-Fi.
  • Step 3: Click Manage known networks then select your network.
  • Step 4: Pick Properties then Switch the toggle below Set as metered connection to on.
  • Step 5: Close Settings then restart your device.

Reset Network 

  • Step 1: Press Windows + I to open Settings.
  • Step 2: Select Network & internet then go to Status.
  • Step 3: Scroll to the bottom then click the Network reset link. Confirm your action, wait for the process to finish and your computer will be restarted automatically.

Disable Delivery Optimization

  • Step 1:  Press Windows + I to open Settings.
  • Step 2: Select Update & Security then go to Delivery Optimization.
  • Step 3: Switch off the toggle next to Allow downloads from other PCs then close Settings.
  • Step 4: Go to Search bar, type control panel then hit Enter to open Control Panel.
  • Step 5: Select Administrative Tools, double-click Disk Cleanup then select “C: disk”. Proceed to check the checkboxes beside the files you want to clean up including Delivery Optimization files. Finally, hit OK to confirm your action then wait till the cleanup completes.  

Note: It’s possible to disable  Delivery Optimization via Registry Editor as well. 

  • Step 1: Go to Search bar, type Regedit and click Run as administrator.
  • Step 2: Before interfering with anything, create a backup of Registry files. To create a backup, click File, choose Export then save the backup in a safe location.
  • Step 3: Navigate to the left panel then click the arrow next to HKEY_LOCAL_MACHINE.
  • Step 4: Double-click SYSTEM then go through the following directory: CurrentControlSet\Services\DoSvc
  • Step 5: Navigate to the right panel then double click Start to modify. Next, change the value to 4 then click OK to save changes. Last but not least, close Registry Editor then restart your computer.

Apply Changes Via Local Group Policy Editor

  • Step 1: Press the Window key + S to open Search, type gpedit.msc then hit Enter to open Local Group Policy Editor.
  • Step 2: Hit the arrow next to Computer Configuration then navigate to the following directory: Administrative Templates > Windows Components > Delivery Optimization.
  • Step 3: Go to the right panel then double-click Download mode.
  • Step 4: Check mark Enabled, go to the “Download Mode” dropdown menu and select Simple (99).
  • Step 5: Select Apply then choose OK.
  • Step 6: Back to Local Group Policy Editor, hit the arrow next to Computer Configuration then navigate to the following directory: Administrative Templates > Network > Background Intelligent Transfer Service (BITS).
  • Step 7: Right-click Limit the maximum network bandwidth for BITS background transfers then hit Edit.
  • Step 8: Checkmark Enabled then adjust the value in the Limit background transfer rate (Kbps) box to 10.
  • Step 9: Select Apply then choose OK.
  • Step 10: Restart your computer.


  • Enable metered connection only if you have limited data plans.
  • Set Delivery Optimization to download updates from PCs on your local network.
  • Whenever you experience network connection problems, you should restart the router at the earliest opportunity.

Are There Any Side Effects Of Disabling Delivery Optimization?

Disabling or deleting the Delivery Optimization on your computer does not cause any harm. The only thing that will be affected is the Windows update speed. Then again, there is no need to delete or disable Delivery Optimization when your PC is running smoothly.

Is Delivery Optimization Safe?

For your information, Delivery Optimization gets everything from Microsoft through a secure connection. Hence, each part of an update is thoroughly checked for authenticity. Before the update is installed, an authenticity check will be performed again.


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