windows:
Jmeter - bin folder - find out system.properties file and add below line
webdriver.gecko.driver=C:\\Users\\Kranthi\\Desktop\\AA-Perf\\new\\geckodriver.exe
yes you need to add Firefox config file in the Test plan of jmter - no modifications required!
for mac:
>> jmeter -Dwebdriver.gecko.driver=/path/to/geckodriver
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IE:
only one version driver works in IE:
IEDriver 2.53.1 version of 32 bit IE driver. No other versions will work.