How To Fix AD826 - User name & invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 826

• Message text: User name & invalid

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?

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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 AD826 - User name & invalid ?

  The SAP error message AD826 ("User name & invalid") typically indicates that the user name you are trying to use to log into the SAP system is not recognized or is invalid. This can happen for several reasons. Here are some common causes, solutions, and related information:
  Causes:
  
  Incorrect User Name: The user name may have been entered incorrectly, including typos or case sensitivity issues.
  User Not Created: The user may not have been created in the SAP system.
  User Deactivation: The user account may have been deactivated or locked.
  System Configuration: There may be issues with the system configuration or user management settings.
  Client-Specific Issues: The user may not be assigned to the specific client you are trying to log into.
  
  Solutions:
  
  Check User Name: Verify that you are entering the correct user name. Ensure that there are no typos and that you are using the correct case (SAP user names are case-sensitive).
  User Creation: If you are an administrator, check if the user exists in the system. You can do this by using transaction code SU01 to look up the user.
  User Activation: If the user exists but is locked or deactivated, you can unlock or activate the user account using transaction code SU01.
  Client Assignment: Ensure that the user is assigned to the correct client. You can check this in the user master record.
  Check Authorization: Ensure that the user has the necessary authorizations to log into the system.
  Contact Administrator: If you are not an administrator, contact your SAP system administrator for assistance in resolving the issue.
  
  Related Information:
  
  Transaction Codes:
  
  SU01: User Maintenance
  SU10: Mass User Maintenance
  SU53: Display Authorization Check
  
  
  SAP Notes: Check SAP Notes for any known issues related to user management and authentication.
  Documentation: Refer to SAP Help documentation for user management and security settings.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or support for further investigation.