SAP Knowledge Base Article - Preview

3126457 - Connectivity Test from CPI to SFTP Server using Public Key returns 'Auth Fail' error


You have configured public key authentication from your CPI tenant to an SFTP server but the connection test returns the following error:

com.jcraft.jsch.JSchException: Auth Fail



  • SAP Integration Suite
  • SAP Cloud Integration


CPI, HCI, Auth Fail, SFTP, SFTP Server, sender, receiver, SFTP adapter, public key, private key, communication channel, Inbound, Outbound, authentication, known hosts file, Key Store, SSH Key, SFTP channel, IP AllowList, Cloud Integration, Integration Suite, iFlow , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , Problem

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