SAP Knowledge Base Article - Preview

3509438 - SAP Cloud Connector - No tunnel channels are available to handle this request

Symptom

When establishing an RFC connection between a BTP application (such as IBP or CPI) and an ABAP system through the Cloud Connector, The following error was encountered in the Cloud Connector trace. 

#WARN#com.sap.scc.protocol.rfc#forwarding-proxy-20-12#0x6e5ef785#Error during service channel tunnel processing in channel [id: 0xb5fc6aaf, L:/xxx.xx.xxx.xxx:3348 - R:/xxx.xx.xx.xxx:29822]: No tunnel channels are available to handle this request


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Environment

SAP Cloud Connector 2.15.2 - 2.17.

Product

SAP ERP 6.0

Keywords

Cloud connector, SCC, No tunnel channels are available to handle this request, Protocol Processor Worker Threads , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem

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