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SAP Knowledge Base Article - PreviewSymptom
In WDP trace file dev_webdisp or ICM trace file, the error NIEHOST_UNKNOWN reported
Connection request to abap.exemple.com:<port> failed (NIEHOST_UNKNOWN)
Another symptom is observed when performing a "connection test" on an HTTP destination via transaction SM59, a popup with the following message appears:
Direct connect to abap.exemple.com failed: NIEHOST_UNKNOWN
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Environment
- SAP Netwaver based product
- ABAP Platform based product
- SAP Web Dispatcher
Product
SAP S/4HANA 2020
Keywords
NIEHOST_UNKNOWN, is/hostbuffer_timeout_invalid_entry , KBA , BC-CST-WDP , Web Dispatcher , Problem
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