SAP Knowledge Base Article - Preview

2895349 - Cannot logon to Identity Authentication Administration Console with valid logon identifier and password


Logon to the Identity Authentication Administration Console is failing with error: Sorry, we could not authenticate you. Try again. Using the forgot password link allows you to reset the password and log in. However, logging off and trying to login again the same error is shown as previously. Only a password reset allows login again for just one user session.

The Troubleshooting log is showing the following error:

User authentication failed. Reason: Used logon identifier is not allowed; Identifier: [ <logon_identifier> ]



Identity Authentication


SAP Cloud Identity Services all versions


IAS, logon, login, Used logon identifier is not allowed , KBA , BC-IAM-IDS , Identity Authentication Service , Problem

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