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SAP Knowledge Base Article - PreviewSymptom
Connections under "HTTP Connections to External Server" folder or under "HTTP Connections to ABAP System" throw the error "Connect to http://xxxxxx failed:NIEHOST_UNKNOWN(-2)".
The protocol mentioned can also be "https://".
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Environment
- SAP Netweaver ABAP based system
- ABAP Platform based system
Product
ABAP platform all versions ; SAP NetWeaver all versions
Keywords
NIEHOST_UNKNOWN(-2), Connect to http failed, HTTP Connections to External Server, Proxy Host, Proxy Service, SM59, Connection, Netweaver , KBA , OPU-GW-COR , Framework , BC-MID-RFC , RFC , BC-CST , Client/Server Technology , Problem
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