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3534460 - Error "Unknown IAS authenticating error" seen during two-factor authentication from S/4 HANA 2021

Symptom

The following error occurs while using two-factor authentication in S/4 HANA:

Error when sending batch 26113. Unknown IAS authenticating error
 
The logs in S/4 HANA shows the following details:
 
Unknown IAS authenticating error. Details: E401Cannot get service provider from HTTP header

 


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Environment

  • SAP Cloud Identity Services
  • SAP S/4HANA 2021

Product

Identity Authentication 1.0

Keywords

S/4 HANA, 26113, E401, HTTP Header, SAP Global Root CA, DigiCert Global Root CA , KBA , BC-IAM-IDS , Identity Authentication Service , Problem

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