2958786 - Kerberos Authentication fails with Could not decrypt the encrypted data error

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 a username and password.

The Troubleshooting Log is showing the following error:

Could not validate SPNEGO token: Could not decrypt the encrypted data

SAP Cloud Platform Identity Authentication Service

IAS, Kerberos, SPNEGO, ktab, fails, error, login, username and password, Could not validate SPNEGO token, Could not decrypt the encrypted data , KBA , BC-IAM-IDS , Identity Authentication Service , Problem