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How to Start/Stop DevQuery Background Discovery Broker service

Service name: DevQueryBroker

Display name: DevQuery Background Discovery Broker


Description:

Enables apps to discover devices with a backgroud task




Path to executable:

C:\WINDOWS\system32\svchost.exe -k LocalSystemNetworkRestricted -p

CMD:
This method shows you how to Start/Stop DevQuery Background Discovery Broker service from Command Prompt

Perform the following steps:

Please go to Start and click on the Type here to search

Type cmd, right click on cmd icon under the Programs and click on Run as administrator

Services Regedit CMD Msconfig

Please confirm User Account Control pop-up

Please select, right and copy a registry key from below, then right click on command prompt window, select Paste and press Enter


To Start DevQuery Background Discovery Broker service:

net start DevQueryBroker

sc start DevQueryBroker


Note: You can’t start a service if Startup type is on Disabled.


To Stop DevQuery Background Discovery Broker service:

net stop DevQueryBroker

sc stop DevQueryBroker


To change Startup type:

Automatic:

REG add "HKLM\SYSTEM\CurrentControlSet\PerfHost\DevQueryBroker" /v Start /t REG_DWORD /d 2 /f

sc config DevQueryBroker start= auto

Manual:

REG add "HKLM\SYSTEM\CurrentControlSet\services\DevQueryBroker" /v Start /t REG_DWORD /d 3 /f

sc config DevQueryBroker start= demand

Disabled:

REG add "HKLM\SYSTEM\CurrentControlSet\services\DevQueryBroker" /v Start /t REG_DWORD /d 4 /f

sc config DevQueryBroker start= disabled

Automatic (Delayed Start):

REG add "HKLM\SYSTEM\CurrentControlSet\services\DevQueryBroker" /v Start /t REG_DWORD /d 2 /f

sc config DevQueryBroker start= delayed-auto


Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.

REG add "HKLM\SYSTEM\CurrentControlSet\services\DevQueryBroker" /v DelayedAutostart /t REG_DWORD /d 1 /f


When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.

REG add "HKLM\SYSTEM\CurrentControlSet\services\DevQueryBroker" /v DelayedAutostart /t REG_DWORD /d 0 /f