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[DOCS] Troubleshooting for ASE #2473

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Nov 12, 2024
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[DOCS] Troubleshooting for ASE #2473

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13 changes: 12 additions & 1 deletion docs/troubleshooting.asciidoc
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Expand Up @@ -283,4 +283,15 @@ Should be changed to:

image::./images/integrated-pipeline.png[Integrated Managed Pipeline Mode in Properties]

You may need to restart Visual Studio for these changes to fully apply.
You may need to restart Visual Studio for these changes to fully apply.

[float]
[[azure-app-services-traceparent]]
=== Azure App Services / ASE and sampling

Azure/ASE adds trace headers set to unsampled for incoming requests to the cluster.

Elastic APM .NET Agent (and likely also other agents which correctly handle the W3C Trace Parent header sampling) will obey to the traceparent header sampling of the incoming request.
As a consequence, the traces/spans will not be sent to APM Server/Integration and therefore APM UI will not show anything.

We recommend using `trace_continuation_strategy` set to `restart` or `restart_external`, so that the APM .NET Agent will ignore the incoming traceparent header sampling flag.
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