SAP Knowledge Base Article - Preview

3030430 - NIEHOST_UNKNOWN error during RFC connection test to Cloud Integration


While testing a direct connect to Cloud Integration (former CPI) endpoint, below error occurs:


In ICM log, below error can be found:

Direct connect to https://<tenantID>-iflmap.hcisbt.<dataCenter> failed: NIEHOST_UNKNOWN(-2)

Typical Cloud Integration endpoint URL pattern:

  • https://<tenantID>-iflmap.hcisbt.<dataCenter>
  • https://<tenantID>-iflmap.hcisbp.<dataCenter>
  • https://<tenantID>
  • https://<tenantID>
  • https://<tenantID>.it-cpi<nnn>-rt.cfapps.<dataCenter>
  • https://<tenantID>

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.



  • Cloud Integration
  • SAP Integration Suite
  • SAP Business Technology Platform


Cloud Integration all versions ; SAP Integration Suite all versions ; SAP NetWeaver all versions


Cloud Integration, SM59, Connection Test, RFC connection, NIEHOST_UNKNOWN, SAP HCI, SAP CPI, SCPI, SFSF, tenant, iFlow, Integration Flow, connection, connectivity, test, tests, endpoint, worker, node, URL, error, fail, fails, NIEHOST_UNKNOWN, (-2), RFC, test, sci, DNS, blocking, network, targer, host , KBA , LOD-HCI-PI-RT , Integration Runtime , BC-NET , Network Infrastructure , BC-CST-IC , Internet Communication Manager , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.