How to Fix Service Host Network Service High Network Usage?

Ever felt like your computer was running a marathon with no end in sight? You may be experiencing high network usage from Service Host: Network Service.

As an elusive figure, understanding what this process is and how to fix it can seem daunting. In this article, I will unravel the mystery behind Service Host: Network Service and help you get your system back on track.

What is Service Host: Network Service?

Service Host: Network Service is a process used by Windows to manage network connections. It is located in the C:\Windows\System32 folder and runs as part of the svchost.exe program.

Generally, Service Host: Network Service uses minimal resources, but if it starts using too much bandwidth or CPU usage, then it can cause your computer to run slowly.

To ensure optimal performance, you should be aware of what processes are running on your PC and how they are affecting its performance. Additionally, you should make sure that all updates for Windows and other applications installed on your device are up-to-date to prevent possible conflicts with other services running in the background.

By taking these steps, you can ensure that Service Host: Network Service won’t use more resources than necessary and will instead help keep your PC running smoothly.

This leads us to consider why does service host: network service use so much bandwidth.

What is svchost.exe (netsvcs) then?

You may have noticed svchost.exe (netsvcs) in your task manager and wondered what it is. Svchost.exe is a Windows Host Process that’s responsible for executing programs required to run various system services, such as Network Service. It’s located in the C:\Windows\System32 folder and requires little of your CPU, RAM, or Network usage normally – however, if usage spikes to over 50%, something might be wrong and needs to be addressed.

Name Description
CPU Central Processing Unit
RAM Random Access Memory
NET Network Usage

Is svchost.exe (netsvcs) a virus?

No, svchost.exe (netsvcs) isn’t a virus or malicious application. It’s a verified Windows file that’s essential for the system to work properly. High resource usage of this process is usually caused by malware or unwanted applications running in the background.

To ensure your device isn’t being harmed:

  • Check if you have any new software installed on your computer and remove it if it looks suspicious.
  • Scan for viruses and malware using reliable security software.
  • Uninstall any programs you don’t need anymore and update all existing ones to their latest versions.
  • Make sure that all of your drivers are up to date.
  • Disable unnecessary services from running at startup or in the background when not needed.

Taking these steps will help keep your system secure and restore its performance to normal levels.

Now let’s look into how to fix “service host: network service” high network usage.

5 Reasons Why Does Service Host: Network Service Use So Much Bandwidth

Have you ever noticed a large amount of bandwidth being used by the Service Host: Network Service process? It could be caused by several things, including malware or virus infection, outdated or incorrect network adapter drivers, problems with your firewall or security software, misconfigured system settings, or hidden services running in the background.

It is also possible that Windows Update might be downloading updates, which could cause high network usage by Service Host: Network Service. To fix high usage from this process, it is important to identify and address the source of the problem. Understanding what causes these issues can help you take action to resolve them quickly and efficiently.

Without further investigation, it can be difficult to know exactly what is causing the issue. So it’s best to take a systematic approach when troubleshooting this type of problem. Now that we understand why there might be high network usage from Service Host: Network Service, let’s look at what svchost.exe (netsvcs) is and how it relates.

1. Virus or Malware infection

If your computer is running slow and you think you might be infected with a virus or malware, it’s best to run an antivirus scan right away. Malicious programs can cause your computer to use a lot of resources which can lead to high resource usage and slowdowns.

The svchost on your machine may be using a lot of network resources because it is trying to spread the malicious program throughout your system. To make sure this isn’t happening, check for any viruses or malware that may be present on your machine.

Make sure to keep all of your software up-to-date as well, as outdated programs are more vulnerable to attack by malicious software.

If no malicious software is found after running a full scan, then it may be time to look into other causes for high resource usage such as updating network adapters or disabling unnecessary services.

2. Network Adapter Drivers Are Outdated

Updating your network adapter can help prevent it from becoming overwhelmed with traffic. As the technology of the internet evolves, older adapters may not be able to keep up with current requirements. This could lead to higher resource usage and, in some cases, a complete loss of internet connectivity.

To ensure that your network adapter is up-to-date and able to handle the amount of data streaming through it, make sure you have the most recent software installed on your computer. Additionally, look for any updates that are available for your specific model or brand of adapter as these may provide more efficient performance than what you currently have.

By taking these steps to ensure that your network adapter is functioning properly and efficiently, you can reduce the chances of experiencing high resource usage and possible disconnects due to outdated components.

With this knowledge in hand, now let’s move on to addressing potential issues related to system configuration settings.

3. Issue With System Configuration

Issues with system configuration can cause excessive resource usage. If a service is configured to start automatically, but doesn’t need to run all the time, it can lead to high network usage from svchost.

Here are three key points:

  • Misconfigured services can result in svchost taking up more resources than necessary.
  • Services that are set to start automatically may not need to run at all times and should be checked for their settings.
  • In some cases, services may need to be stopped and started manually as needed instead of running continuously in the background.

By optimizing your system configurations, you can help ensure that svchost’s resource usage stays within acceptable levels – allowing you to get the most out of your computer without sacrificing performance.

Transitioning into the next topic, Windows Update might also be causing high network usage from svchost if it is downloading large updates or performing other operations on your computer.

4. Issue with Windows Update

Sometimes, Windows Update can cause resource drain on your computer. This is especially true when it comes to network usage. This could happen due to an issue with the system configuration or because of a faulty update that didn’t install correctly.

In such cases, uninstalling the latest update you made may be the best course of action as it might fix the issue. You can try waiting until another patch is released for the update, reinstalling via the Windows Update screen, or manually downloading and running the update again.

If none of these solutions works, then there may be an underlying issue with system file corruption that needs to be addressed.

5. System File Corruption

System file corruption is a common cause of Windows Update not installing correctly. This can lead to the svchost process being overworked and using more network resources than necessary. To address this issue, users should:

  • Check the integrity of their Windows files using System File Checker (SFC).
  • Make sure their anti-virus software is up-to-date and running properly.
  • Perform regular maintenance on their computer, such as disk cleanups and defragmenting.

Taking these steps will help ensure that system files remain uncorrupted, allowing Windows Update to install properly without any unnecessary increase in network usage by the svchost process.

How to Fix “Service Host: Network Service” high network usage?

I’m here to discuss how to fix the Service Host: Network Service high network usage.

The key points that I will cover in this discussion include:

  • Running Windows Update Troubleshooter.
  • Updating Windows.
  • Pausing Windows Update.
  • Disabling BITS and Wuauserv services.
  • Deleting the SoftwareDistribution folder.

All of these steps are simple yet effective solutions for resolving this problem.

1. Run Windows Update Troubleshooter

Running the Windows Update Troubleshooter can help fix service host network service high usage.

To do this, follow these steps:

  1. Go to the Windows Start button and select Settings from the menu.
  2. Under System on the left pane, click Troubleshoot on the right.
  3. Click on Other troubleshooters.
  4. Select Run next to Windows Update and wait for it to finish.
  5. After restarting your system, check if network usage has been reduced.


It’s also important to keep Windows up-to-date by regularly updating it. This can further reduce network utilization.

2. Update Windows to the latest version

Updating Windows can help lower network usage by Service Host: Network Service.

To do this, open the Windows 11 Settings and switch to the Windows Update tab. Then click on Check for updates and wait for the latest version to finish downloading.

After that, click on ‘Install Now’ and restart your device. This should fix any problems with overly high network usage due to Service Host: Network Service.

For an even more comprehensive solution, you may want to consider pausing Windows Update temporarily.

3. Pause Windows Update

You can temporarily pause Windows Update to help reduce network usage. To do this, open Settings and switch to the Windows Update tab. There, you will find an option to pause updates for up to five weeks.

Benefit Drawback
Pauses updates May miss important security patches
Reduces network usage Updates are still downloading in the background

This is an effective way of reducing your computer’s network usage on a short-term basis; however, it does mean that you may miss out on important security patches that could be beneficial for your system.

4. Disable the BITS and Wuauserv services

Disabling the BITS and Wuauserv services can help reduce memory and internet consumption. To do this, follow these steps:

  1. Open the Run command box by searching for it in Windows Search.
  2. Type ‘services.msc’ and press Enter to open the Windows Services window.
  3. In the Services window, locate the Background Intelligent Transfer Service (BITS).
  4. Right-click on BITS and select Properties from the drop-down menu.
  5. In the Properties window, go to the Startup type drop-down menu and choose Disabled.
  6. Repeat the same steps for the Windows Update service (Wuauserv).


By disabling these services, you can improve your system’s performance by reducing RAM and network usage.

Now, let’s move on to the next topic: deleting the SoftwareDistribution folder to reduce the high CPU usage associated with the Service Host Network Service.

5. Delete SoftwareDistribution Folder

To reduce high CPU usage, consider deleting the SoftwareDistribution folder. This is an essential Windows Update folder that holds temporary files necessary for updating to the latest version.

If these are taking up too much of your internet data, disabling the Wuauserv followed by deleting the SoftwareDistribution folder will help fix this issue.

Open File Explorer and navigate to C:\Windows then search for and right-click on the SoftwareDistribution folder to delete it. Restart your computer afterward to check if this has solved your problem.

Having done that, you can now move on to running an antimalware scan.

6. Run Antimalware Scan

Scanning your system with a robust antimalware solution like MalwareBytes can help identify and remove any malicious malware programs. It’s vital to scan regularly, as new viruses are created every day. Keeping your antivirus program up to date is also crucial. Additionally, blocking suspicious websites and applications from running on your computer is important for maintaining system security. Always remember to back up important data in case of an emergency. Doing this will increase the likelihood that any potential threats can be identified and removed quickly and easily.

Clearing your event viewer logs is another important step for maintaining healthy network usage.

7. Clear your Event Viewer logs

Clearing your Event Viewer logs can help you save time troubleshooting. To do this, press the Windows + R keys on your keyboard to open the Run utility. Type in “eventvwr” and click the OK button. In the pane on the right, click on Windows Logs and expand each section. Right-click Application Log and select Clear Log from its context menu, then click Clear. Repeat these steps for Setup Log, System Log, and Security Log before restarting your system to see if svchost.exe is still a problem. This process can be made easier with a table:

Type Action
Application log Right-click > Clear log
Setup log Right-click > Clear log
System log Right-click > Clear log
Security log Right-click > Clear log

This process of clearing your Event Viewer logs should be done before running network troubleshooter to identify any issues with svchost.exe high usage.

8. Run Network Troubleshooter

Now that you have cleared your Event Viewer logs, it’s time to run the Network Troubleshooter.

To do this, open Settings > Update & Security > Additional troubleshooters and scroll down to find Internet Connections. Click on it and select ‘Run the troubleshooter’.

This will scan for any network-related issues and offer solutions to fix them. With the Network Troubleshooter, you can quickly identify problems with your connection or configuration. It can also help you detect malicious software or malware that may be affecting your connection.

After running the Network Troubleshooter, if the issue persists then it’s time to move on to resetting your network settings.

9. Reset Network

If the issue persists, it’s time to try resetting your network settings.

To do this, follow these steps:

1) Go to Settings > Network & Internet > Status.
2) Press Network reset.
3) Hit Reset now.
4) All your network adapters and components will be set back to their original values.

After this process is complete, you can be sure that any problems caused by misconfigured or outdated settings should be gone.

However, if Service Host Network Service high usage remains, it might be time to consider reinstalling Windows.

10. Reinstall Windows

Reinstalling Windows can help to fix service host network service high usage. Reinstalling Windows means erasing the operating system (OS) and reinstalling a fresh version of it from scratch. Doing this essentially ‘resets’ the entire OS, removing any malicious software or programs that could be causing issues with your computer’s performance and stability. It also removes any installed applications or settings that may have been causing the Service Host Network Service High Usage issue in the first place.

To reinstall Windows, you’ll need a copy of the installation disc for your particular version of Windows and an external storage device such as a USB drive to store your important documents and files while you’re performing this process. After backing up your data, you can then proceed with running the installation disc which will overwrite everything currently on your hard drive.

Pros Cons
Resets OS & clears out malicious software
Removes installed apps/settings which may be causing issue
Risky process since all data is wiped from the hard drive
Requires backup of important documents & files beforehand
Time-consuming as the entire installation must be done manually

Frequently Asked Questions

1. How can I check which services are running under Service Host: Network Service?

Do you want to know which services are running under Service Host: Network Service? To check this, open the Task Manager and go to the ‘Services’ tab.

Here, you’ll find a comprehensive list of all the services that are currently running in your system. Check if any of these services have ‘Network Service’ in their name or description. If it does, then it’s probably a service that is using up resources on your computer.

To reduce its usage, try disabling or uninstalling it.

2. What is the difference between Service Host: Network Service and svchost.exe (netsvcs)?

Service Host: Network Service and svchost.exe (netsvcs) are both processes that run in the background of your computer. However, they have different purposes.

Service Host: Network Service is used to help manage network connections and settings.

On the other hand, svchost.exe (netsvcs) is a generic host process for services that Windows requires to function properly. It is responsible for starting multiple Windows services simultaneously, which makes it more resource-intensive than Service Host: Network Service.

3. Can I disable Service Host: Network Service?

Yes, you can disable Service Host: Network Service. It is possible to turn off the service in the Windows services manager, which can be accessed through the Control Panel.

However, it is important to note that disabling the service may affect your computer’s performance and could potentially lead to system instability or further issues.

Before making any changes, it is recommended that you make sure you have a recent backup of your data stored on another device.

4. Are there alternative solutions to fix “Service Host: Network Service” high network usage?

Can I solve the issue of Service Host: Network Service’s high network usage without disabling it?

That’s a great question. The short answer is yes, there are alternative solutions available to address this problem.

For starters, you can check for any unnecessary background applications that may be running on your device and remove them if needed.

Additionally, you can try resetting your network settings or updating your system drivers and firmware to their latest versions as well.

Finally, consider limiting the number of services that are running in the background on your computer.

With these steps taken, you should be able to reduce or even eliminate the high usage of Service Host: Network Service.

5. Is Service Host: Network Service a part of Windows OS?

Yes, Service Host: Network Service is a part of the Windows operating system.

It is a process that provides services to other applications, such as sharing data or accessing external resources.

When it runs with high usage, it can cause performance issues on your computer and slow down network connections.

To fix this problem, you can either terminate the process or disable certain processes associated with it that are not necessary for your system’s functionality.


In conclusion, Service Host: Network Service is a critical component of Windows that helps with many essential functions. It can use up to 100% of your network bandwidth at times, which can be quite annoying. However, it’s important to remember that this doesn’t necessarily mean there’s something wrong with your computer.

There are several simple steps you can take to try and fix the issue and get back to normal usage levels. Have you ever experienced high usage from Service Host: Network Service? What did you do to resolve it?

I am a computer engineer holding a bachelor's degree in Computer Science, complemented by a Master's in Business Administration from University of Strathclyde, Scotland. I currently work as a Senior IT Consultant in Melbourne, Australia. With over 15 years of...