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3622706 - Inbound connection to Iflow in SAP Cloud Platform Integration fails with error 401 Unauthorized

Symptom

Below is the list of symptoms which can be seen while triggering the Iflow in SAP Cloud Platform Integration.

  • Inbound connection to Iflow in Cloud Platform Integration fails with 401 error code when tried with S-user via Basic Authentication where BTP subaccount type is Neo.
  • Same credentials for S-user is working fine for another subaccount and for "https://accounts.sap.com" for Basic Authentication. 
  • Status code- 401 Unauthorized and X-message-Code = PWD_WRONG [] when triggered from postman, Bruno and other Rest Client.  
  • ESBMessaging.send role is assigned to the S-user in Subaccount.
  • Below error can be seen in Ljs.log of CPI:

    09:03:27#+00#ERROR#com.sap.esb.security.cloud.authentication.CloudAuthenticationFilter##anonymous#https-jsse-nio2-8041-exec-1###e1**41d#na#na#na#na#client certificate received at load balancer: none|
    2025 06 19 19:03:27#+00#ERROR#com.sap.esb.security.cloud.authentication.CloudAuthenticationFilter##anonymous#https-jsse-nio2-8**1-exec-1###e18**41d#na#na#na#na#client certificate status from load balancer: No Certificate Presented from client side 


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Environment

  • SAP Integration Suite
  • SAP Business Technology Platform
  • NEO Environment

Product

SAP BTP, Neo environment 1.0 ; SAP Integration Suite 1.0

Keywords

Cloud Integration, CPI, Cloud Process Integration, HCI, Basic Authentication, Authorization, Unauthorized, 401, Technical User, Communication User, S-User, Technical Communication User, Integration Flow, iFlow, 401, error code
 
, KBA , LOD-HCI-PI-CON-HTP , HTTP Adapter , BC-NEO-SEC-IAM , Authentication, Authorization(Cloud Platform Neo) , Problem

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