How To Fix S1165 - Unable to reset CUA buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 165

• Message text: Unable to reset CUA buffer

What causes this issue?

Resetting the CUA buffer was unsuccessful.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Repeat the reset or analyze the system log.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1165 - Unable to reset CUA buffer ?

  The SAP error message S1165 "Unable to reset CUA buffer" typically occurs in the context of the Central User Administration (CUA) in SAP systems. This error indicates that there is an issue with the CUA buffer, which is responsible for managing user data across multiple SAP systems.
  Causes:
  
  Network Issues: Problems with network connectivity between the central system and the child systems can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to reset the CUA buffer.
  System Configuration: Incorrect configuration of the CUA settings or inconsistencies in the user data across the systems can trigger this error.
  Buffer Corruption: The CUA buffer itself may be corrupted or not functioning properly.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the central and child systems. You can test connectivity using tools like ping or telnet.
  Review Authorizations: Verify that the user executing the reset has the necessary authorizations. The user should have the appropriate roles assigned to manage CUA.
  Check CUA Configuration: Review the CUA configuration settings in transaction SCUA to ensure they are set up correctly. Look for any inconsistencies in the configuration.
  Reset CUA Buffer Manually: You can try to reset the CUA buffer manually using transaction SCUA or by executing the function module CUA_BUFFER_RESET.
  Check System Logs: Look into the system logs (transaction SM21) for any related error messages that might provide more context on the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  
  Related Information:
  
  Transaction Codes: 
  
  SCUA: Central User Administration
  SU01: User Maintenance
  SM21: System Log
  
  
  Documentation: Refer to the official SAP documentation for CUA for detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.