---
title: "Disable WLAN AutoConfig (WlanSvc): stopping Wi-Fi scans when you play on Ethernet"
description: "WLAN AutoConfig is the service that finds, connects to and manages Wi-Fi networks. What the tweak changes, when it helps, when it hurts and how to undo it."
url: https://frozentweaks.com/tweaks/disable-wlan-autoconfig
author: Frost LIVE, Founder of Frozen Tweaks
published: 2026-10-08
updated: 2026-10-08
category: "Network"
source: Frozen Tweaks (https://frozentweaks.com)
---

# Disable WLAN AutoConfig (WlanSvc): stopping Wi-Fi scans when you play on Ethernet

**Short answer:** WLAN AutoConfig is the service that finds, connects to and manages Wi-Fi networks. While running it scans for networks in the background. This tweak sets WlanSvc to Disabled. It sets the WlanSvc service to Disabled.

## In the app

- Switch: Disable WLAN AutoConfig (Network, Pro, Advanced)
- Undo: Yes. Switching it off sets a standard Windows value, which may not be exactly how you had it.
- Catalog row: https://frozentweaks.com/tweaks#t-1078

## What it does

WLAN AutoConfig is the service that finds, connects to and manages Wi-Fi networks. While running it scans for networks in the background. This tweak sets WlanSvc to Disabled.

In the app the switch is called "Disable WLAN AutoConfig", described there as: Eliminates periodic Wi-Fi scans/ETW when you play on Ethernet.

## When it helps

- PCs on a network cable that also have a Wi-Fi adapter: the periodic scans stop.

## When it hurts

- Wi-Fi stops working completely until you switch it back. Do not use it on a PC that connects over Wi-Fi.
- On Wi-Fi, the scan spikes are better fixed in the adapter's driver settings.

## What it writes

Read from the app's source. "Switching it off" is what the app writes when you turn the tweak off again.

Services (startup type):

| Service | With the tweak | Switching it off |
| --- | --- | --- |
| `WlanSvc` (WLAN AutoConfig) | Disabled | Automatic |

Source: Tweaks/wlan_off.hpp in the app's source, app 2.0.0, checked 2026-10-08.

## The same change by hand

Run in a Command Prompt opened as administrator. Make a restore point first.

```bat
sc config "WlanSvc" start= disabled
```

Put it back:

```bat
sc config "WlanSvc" start= auto
```

## How to undo it

Switch the tweak off in Frozen Tweaks. It sets WlanSvc to Automatic.

## Verdict

Only for wired PCs. There it is harmless and removes a known source of ping spikes.

## Questions

### What does the "Disable WLAN AutoConfig" tweak change in Windows?

It sets the WlanSvc service to Disabled.

### Is "Disable WLAN AutoConfig" safe to switch on?

Only for wired PCs. There it is harmless and removes a known source of ping spikes. The main cost: Wi-Fi stops working completely until you switch it back. Do not use it on a PC that connects over Wi-Fi.

### How do I undo it?

Switch the tweak off in Frozen Tweaks. Switching it off sets a standard Windows value, which may not be exactly how you had it.

### Is "Disable WLAN AutoConfig" free in Frozen Tweaks?

It is part of Frozen Pro and Elite. You can also make the change by hand with the values on this page.

## Related guides

- [How to Reduce Input Lag on PC: The Whole Latency Chain](https://frozentweaks.com/guides/reduce-input-lag)

## More tweak explainers

- [SSDP Discovery and UPnP Device Host](https://frozentweaks.com/tweaks/disable-upnp-ssdp-services)
- [Offline Files (CscService)](https://frozentweaks.com/tweaks/disable-offline-files-service)
- [Windows Media Player Network Sharing](https://frozentweaks.com/tweaks/disable-media-player-network-sharing)

---
Written by Frost LIVE, founder of Frozen Tweaks. Canonical version: https://frozentweaks.com/tweaks/disable-wlan-autoconfig