How To Fix ESH_CHECK_CONN018 - Status of connector &1 does not match buffer status; update buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CHECK_CONN - Check connector consistency

• Message number: 018

• Message text: Status of connector &1 does not match buffer status; update buffer

What causes this issue?

The selected connector has in the Cockpit a different status as in the
runtime buffer. This can happen either the update of the runtime buffer
was not executed or the update of the runtime buffer ended with error.

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?

To synchronize the status of the connector between Cockpit and runtime
buffer execute the report 'ESH_REFRESH_RUNTIME_BUFFER'.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_CHECK_CONN018 - Status of connector &1 does not match buffer status; update buffer ?

  The SAP error message ESH_CHECK_CONN018 indicates that there is a mismatch between the status of a connector and the buffer status in the Enterprise Search (ESH) environment. This typically occurs when the connector's data is not in sync with the data stored in the buffer, which can lead to inconsistencies in search results.
  Cause:
  
  Outdated Buffer: The buffer may not have been updated after changes were made to the data source that the connector is pointing to.
  Connector Issues: The connector itself may have encountered an error or may not be functioning correctly.
  Configuration Changes: Changes in the configuration of the connector or the data source may lead to discrepancies.
  Network Issues: Temporary network issues may prevent the connector from updating the buffer correctly.
  
  Solution:
  
  
  Update the Buffer:
  
  Go to the ESH administration area in your SAP system.
  Locate the connector that is causing the issue.
  Trigger a manual update of the buffer for that connector. This can often be done through the ESH administration interface or by executing a specific transaction code related to ESH.
  
  
  
  Check Connector Status:
  
  Verify the status of the connector to ensure it is active and functioning correctly.
  If the connector is inactive or has errors, troubleshoot the connector settings or restart it.
  
  
  
  Review Logs:
  
  Check the logs for any errors or warnings related to the connector. This can provide insights into what might be causing the issue.
  
  
  
  Reconfigure the Connector:
  
  If there have been recent changes to the data source or the connector configuration, review and reconfigure as necessary.
  
  
  
  Network Check:
  
  Ensure that there are no network issues affecting the connection between the SAP system and the data source.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to ESH and the specific connector you are using for any additional troubleshooting steps or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Enterprise Search Documentation: Review the official SAP documentation for Enterprise Search to understand the architecture and how connectors work.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the ESH_CHECK_CONN018 error and ensure that your connector and buffer are in sync.