SAP Knowledge Base Article - Preview

2958806 - Kerberos Authentication fails with Unsupported encryption SPNEGO token type error

Symptom

Kerberos authentication is configured for Identity Authentication to allow users to log on without a username and password when they are in the corporate network based on 'Configure Kerberos Authentication' SAP Help documentation.

However users are still prompted to authenticate with username and password.

The Troubleshooting Log is showing the following error:

Unsupported encryption SPNEGO token type


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Environment

SAP Cloud Platform Identity Authentication Service

Product

Identity Authentication 1.0

Keywords

IAS, Kerberos, SPNEGO, fails, error, login, username and password, Unsupported encryption SPNEGO token type, RC4_HMAC, AES128_CTS_HMAC_SHA1_96, AES256_CTS_HMAC_SHA1_96, NTLMSSP, NEGOEXT , KBA , BC-IAM-IDS , Identity Authentication Service , Problem

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