After you download and add Firefox or Chrome browsers manually for the Web Transaction (Browser) monitor in Windows On-Premise Poller, you can check whether the process has happened correctly by using the following steps.
For Windows On-Premise Poller
In the location where you've installed your Site24x7 On-Premise Poller, you can check the file availability of the following:
<Site24x7OnPremisePoller>/RealBrowser/chromev101/Chrome/Application/chrome.exe
<Site24x7OnPremisePoller>/RealBrowser/chromev101/chromedriver.exe
<Site24x7OnPremisePoller>/RealBrowser/firefoxv101/firefox/firefox.exe
<Site24x7OnPremisePoller>/RealBrowser/firefoxv101/firefox/geckodriver.exe
If any one of the files are not available, use the below link for instructions to download and add the files manually.
https://support.site24x7.com/portal/en/kb/articles/adding-browsers-for-web-transaction-monitor-in-windows-on-premise
For Linux On-Premise Poller
1. Make the /var/run/docker.sock file accessible using the below command in the terminal:
sudo chmod 777 /var/run/docker.sock
2. Check whether the required docker images are available using the below command in the terminal:
docker images

If the docker images are not available, use the below link for instructions to properly configure the monitoring.
https://www.site24x7.com/app/client?a=f#/admin/onpremise-poller/monitors-configure/PROBE
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