3511145 - CTE - Connection error when setting up Concur Integration (CTE_SETUP)

Check connection of Concur Integration (CTE_SETUP) results in error: "In the System Setup wizard, adjust the client credentials."

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

The error changes depending on the RFC set up.

Connections using proxy:

In the System Setup wizard, adjust the client credentials.
No data can be received from HTTP client http_communication_failure.
ICM_HTTP_CONNECTION_FAILED

Direct connections:

In the System Setup wizard, adjust the client credentials.
No data can be received from HTTP client http_communication_failure.
No response from Concur system Q51_RFC_Concur, Try again later.
500 Native SSL error
ICM_HTTP_SSL_ERR

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• SAP ERP
• SAP S/4HANA
• SAP ERP integration with SAP Concur solutions
• SAP S/4HANA integration with SAP Concur solutions
• Concur Expense
• Concur Travel

Concur Expense all versions ; Concur Travel all versions ; SAP ERP all versions ; SAP ERP integration with SAP Concur solutions all versions ; SAP S/4HANA all versions ; SAP S/4HANA integration with SAP Concur solutions all versions

CTE_SETUP, SM59, STRUST, Concur, integration, connectivity, communication, HTTP, RFC, certificate, SSL, TLS, cipher, ciphersuite, 400, 500, error, direct, middleware , KBA , BNS-CON-SE-ERP , Concur ERP Integration , BNS-CON-SE-S4 , Concur Suite Enablement S/4HANA Integration , Known Error