How To Fix MSG_CL_ER262 - Could not authenticate on system with username &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 262

• Message text: Could not authenticate on system with username &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_CL_ER262 - Could not authenticate on system with username &1 ?

  The SAP error message MSG_CL_ER262, which states "Could not authenticate on system with username &1," typically indicates an authentication failure when trying to log into an SAP system using the specified username. This can occur for several reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Incorrect Username or Password: The most common reason for this error is that the username or password entered is incorrect.
  User Lockout: The user account may be locked due to multiple failed login attempts.
  Expired Password: The password for the user account may have expired and needs to be reset.
  User Not Authorized: The user may not have the necessary authorizations to access the system.
  Network Issues: There may be network connectivity issues preventing the authentication process from completing.
  System Configuration: There could be misconfigurations in the SAP system or the authentication method being used (e.g., LDAP, SSO).
  Client-Specific Issues: The user may not be assigned to the correct client in the SAP system.
  
  Solutions:
  
  Verify Credentials: Double-check the username and password for accuracy. Ensure that the correct case (uppercase/lowercase) is used.
  Unlock User Account: If the account is locked, an administrator can unlock it using transaction code SU01 (User Maintenance).
  Reset Password: If the password has expired, the user can reset it through the password reset process or an administrator can do it via SU01.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the system. This can be checked by an administrator.
  Network Troubleshooting: Verify that there are no network issues preventing access to the SAP system. Check connectivity and firewall settings.
  Review System Logs: Check the system logs (transaction SM21) for any additional error messages that may provide more context about the authentication failure.
  Consult Basis Team: If the issue persists, consult the SAP Basis team to review system configurations and authentication methods.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SM21: System Log
  SUIM: User Information System (to check user roles and authorizations)
  
  
  SAP Notes: Check SAP Notes for any known issues related to authentication errors. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review SAP documentation regarding user management and authentication methods for more detailed guidance.
  
  If the problem continues after trying the above solutions, it may be necessary to escalate the issue to your SAP support team or consult SAP support for further assistance.