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Manual configuration for IIS RUM injector #29938

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Manual configuration for IIS RUM injector #29938

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Manual configuration for IIS RUM injector
pablomartinezbernardo Jun 13, 2025
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pablomartinezbernardo Jun 23, 2025
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Add allowedTracingUrls
pablomartinezbernardo Jun 23, 2025
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32 changes: 32 additions & 0 deletions content/en/real_user_monitoring/browser/setup/server/windows_iis.md
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Original file line number Diff line number Diff line change
@@ -57,6 +57,38 @@
2. On the **SDK Configuration** page, adjust the slider or enter a specific percentage in the input box for Session Sampling or Session Replay Sampling.
3. Copy and replace the code in the Datadog RUM config file for the IIS site that you instrumented.

## Manual configuration

### Log Level

Check warning on line 62 in content/en/real_user_monitoring/browser/setup/server/windows_iis.md

GitHub Actions / vale

Datadog.headings 

'Log Level' should use sentence-style capitalization.

You can configure the log level in the IIS `applicationHost.config` file:

```
<configuration>
<system.applicationHost>
<datadogRumServer logLevel="debug" />
</system.applicationHost>
</configuration>
```

The possible `logLevel` values are:
- `debug`
- `info` (default)
- `error`

### Allowed tracing URLs

To connect RUM sessions and APM traces you can configure `allowedTracingUrls` in the site's `web.config` file with comma-separated fixed URLs in the `datadogRum` section. Regular expressions and Javascript functions are unsupported. See [more information about trace correlation][1].

```
<datadogRum>
...
<option name="allowedTracingUrls" value="https://api.example.com,https://other.example.com" />
</datadogRum>
```

[1]: https://docs.datadoghq.com/tracing/other_telemetry/rum

## Troubleshooting

### RUM is not injected
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