How To Fix SUID01321 - The external UID is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: SUID01 - Identity Management

• Message number: 321

• Message text: The external UID is too long

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SUID01321 - The external UID is too long ?

  The SAP error message SUID01321 indicates that the external User ID (UID) you are trying to use is too long. This error typically occurs when the UID exceeds the maximum length allowed by the system.
  Cause:
  The primary cause of this error is that the external UID you are attempting to create or use exceeds the character limit set by SAP. Different systems may have different limits, but generally, the maximum length for an external UID is often around 12 to 20 characters, depending on the specific configuration and version of SAP you are using.
  Solution:
  To resolve the SUID01321 error, you can take the following steps:
  
  
  Check the Length of the UID: Verify the length of the external UID you are trying to use. Ensure that it does not exceed the maximum allowed length.
  
  
  Modify the UID: If the UID is too long, you will need to modify it to fit within the acceptable length. This may involve shortening the UID or using a different naming convention.
  
  
  Review Configuration Settings: If you are unsure about the maximum length allowed for external UIDs in your specific SAP environment, consult the system documentation or configuration settings. You may also want to check with your SAP Basis or security team.
  
  
  Test the Changes: After making the necessary adjustments to the UID, try to execute the operation again to see if the error persists.
  
  
  Consult SAP Notes: If the issue continues, check the SAP Support Portal for any relevant notes or updates regarding this error message. There may be specific patches or updates that address this issue.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on user management and external UIDs.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  User Management: Familiarize yourself with the user management processes in SAP, including how to create and manage external UIDs effectively.
  
  By following these steps, you should be able to resolve the SUID01321 error and successfully use external UIDs within the constraints of your SAP system.