How To Fix D3761 - High UIC count

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 761

• Message text: High UIC count

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 D3761 - High UIC count ?

  The SAP error message D3761, which indicates a "High UIC count," typically relates to the User Identification Code (UIC) in the SAP system. This error occurs when the number of unique UICs in the system exceeds a certain threshold, which can lead to performance issues or system instability.
  Cause:
  
  High User Activity: A large number of users or processes are creating unique UICs, which can happen in environments with high transaction volumes.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to excessive UIC generation.
  Long-Running Transactions: Transactions that take a long time to complete may hold onto UICs longer than necessary.
  Custom Development: Custom programs or enhancements that create UICs without proper management can contribute to the issue.
  
  Solution:
  
  Analyze UIC Usage: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to analyze the usage of UICs and identify any abnormal patterns.
  Review Configuration: Check the configuration settings related to UIC management. Ensure that they are set according to best practices.
  Optimize Transactions: Review long-running transactions and optimize them to reduce the time they hold onto UICs.
  Limit User Sessions: If possible, limit the number of concurrent user sessions or transactions that can create UICs.
  System Cleanup: Regularly perform system maintenance tasks, such as clearing old data and logs, to help manage UIC counts.
  Increase UIC Limits: If necessary, consult with SAP support to discuss the possibility of increasing the UIC limits in your system.
  
  Related Information:
  
  Monitoring Tools: Utilize SAP monitoring tools to keep track of UIC counts and user activity.
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to UIC management.
  Performance Tuning: Consider performance tuning of the database and application server to handle high loads more efficiently.
  Documentation: Refer to SAP documentation for best practices on user management and UIC handling.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.