How To Fix ESH_IF_INA028 - UI requires connectors ESH_CONNECTOR and ESH_CATEGORY to be active

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_IF_INA - ES-InA-Adapter: Messages

• Message number: 028

• Message text: UI requires connectors ESH_CONNECTOR and ESH_CATEGORY to be active

What causes this issue?

The Search UI needs the search connectors ESH_CATEGORY and ESH_CONNECTOR
in order to start. At least on of the connectors is not created or not
active.

System Response

The search UI cannot start.

How to fix this error?

Go to the ES administration cockpit and create the two connectors.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_IF_INA028 - UI requires connectors ESH_CONNECTOR and ESH_CATEGORY to be active ?

  The SAP error message ESH_IF_INA028 indicates that the UI (User Interface) requires specific connectors, namely ESH_CONNECTOR and ESH_CATEGORY, to be active in order to function properly. This error typically arises in the context of SAP Enterprise Search or SAP Information Access, where the system is trying to access or display search results but cannot do so because the necessary components are not activated.
  Cause:
  
  Inactive Connectors: The connectors ESH_CONNECTOR and ESH_CATEGORY are not activated in the system.
  Configuration Issues: There may be configuration issues in the Enterprise Search setup that prevent the connectors from being recognized or activated.
  System Updates: Recent updates or changes in the system might have inadvertently deactivated these connectors.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Activate Connectors:
  
  Go to the SAP GUI and navigate to the transaction code /IWFND/MAINT_SERVICE or /IWFND/ERROR_LOG.
  Check if the connectors ESH_CONNECTOR and ESH_CATEGORY are listed and their status.
  If they are inactive, activate them by selecting the connector and choosing the option to activate.
  
  
  
  Check Configuration:
  
  Ensure that the configuration for the Enterprise Search is correctly set up. This can be done through the transaction ESH_COCKPIT.
  Verify that the connectors are properly configured and linked to the relevant search services.
  
  
  
  Re-indexing:
  
  After activating the connectors, it may be necessary to re-index the search data. This can be done through the transaction EHS_INDEX or similar, depending on your SAP version.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access and activate these connectors.
  
  
  
  System Logs:
  
  Check the system logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or notes related to Enterprise Search and the specific connectors for any additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues with these connectors.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  System Version: Ensure that you are aware of the specific version of SAP you are using, as the steps and configurations may vary between versions.
  
  By following these steps, you should be able to resolve the error and ensure that the necessary connectors are active for the UI to function correctly.