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I was wondering to know if there is a way to exclude a site from Datadog automatic tracing on IIS. I've read the docs but didn't find anything about.

Lucas
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Jesús Portillo
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  • Not sure what you exactly mean by site. APM needs to be enabled manually on an app. What is the context you are working on? In the meantime, if you are looking for some obfuscation [this doc](https://docs.datadoghq.com/tracing/setup_overview/configure_data_security/?tab=mongodb#exclude-resources-from-being-collected) could help. – XYZ123 Mar 02 '21 at 16:39
  • Hi, a site on IIS. The APM with .NET framework on IIS has automatic instrumentation so all sites hosted are monitored by default. I need to specify sites to be exluded from this automatic monitoring. – Jesús Portillo Mar 02 '21 at 17:00

2 Answers2

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Datadog’s IIS integration queries the Web Service performance counters automatically and sends the results to Datadog. The Web Service performance counter class collects information from the World Wide Web Publishing Service.

You can enable the IIS integration by creating a configuration file either manually or through the Datadog Agent GUI. To create a configuration file through the GUI, navigate to the “Checks” tab, choose “Manage Checks,” and select the iis check from the “Add a Check” menu. You can also manually create a conf.yaml file in C:\ProgramData\Datadog\conf.d\iis.d.

There is a sites attribute in the conf.yaml file. This attribute represents the IIS site you want to monitor. You only need to delete the sites you want to exclude.

More information you can refer to this link: IIS monitoring with Datadog.

samwu
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If you are using Datadog's .NET Tracer, you can set DD_TRACE_ENABLED=false in the appSettings section of the web.config file (docs). For example:

<configuration>
  <appSettings>
    <add key="DD_TRACE_ENABLED" value="false"/>
  </appSettings>
</configuration>

Another option is to deploy a datadog.json file (docs) in the root of your app that contains:

{
    "DD_TRACE_ENABLED": "false"
}

(Disclaimer: I work at Datadog)

Lucas
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