How To Fix CLB653 - Authentication failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 653

• Message text: Authentication failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB653 - Authentication failed ?

  The SAP error message CLB653, which indicates "Authentication failed," typically occurs in the context of SAP Cloud Platform or SAP Business Technology Platform when there is an issue with user authentication. This error can arise due to various reasons, including incorrect credentials, expired passwords, or issues with the authentication configuration.
  Causes of CLB653 Authentication Failed
  
  Incorrect Credentials: The username or password provided may be incorrect.
  Expired Password: The user's password may have expired and needs to be reset.
  User Account Issues: The user account may be locked or disabled.
  Authentication Configuration: There may be issues with the authentication settings in the SAP system or the identity provider (IdP).
  Network Issues: Connectivity problems between the SAP system and the authentication service.
  Service Availability: The authentication service may be down or experiencing issues.
  
  Solutions to CLB653 Authentication Failed
  
  Verify Credentials: Ensure that the username and password are entered correctly. Check for typos or case sensitivity.
  Reset Password: If the password has expired, reset it through the appropriate user management interface.
  Check User Status: Verify that the user account is active and not locked or disabled. This can usually be done by an administrator.
  Review Authentication Configuration: Check the authentication settings in the SAP system and ensure they are correctly configured. This includes verifying the connection to the identity provider if using SAML or OAuth.
  Test Connectivity: Ensure that there are no network issues preventing the SAP system from reaching the authentication service.
  Check Service Status: Verify that the authentication service is operational and not experiencing downtime.
  Consult Logs: Review the system logs for more detailed error messages that can provide additional context for the authentication failure.
  
  Related Information
  
  SAP Notes: Check SAP Notes for any known issues or patches related to authentication errors.
  Documentation: Refer to the official SAP documentation for guidance on configuring authentication and troubleshooting common issues.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the CLB653 authentication error in your SAP environment.