How To Fix ESH_CHECK_CONN090 - There are duplicate local connections. No check for connector &1

ESH_CHECK_CONN090 - Overview

• Message type: E = Error

• Message class: ESH_CHECK_CONN - Check connector consistency

• Message number: 090

• Message text: There are duplicate local connections. No check for connector &1

What causes this issue?

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

System Response

There are duplicate connections in table ESH_ADM_RFC_CONN for the local
system.

How to fix this error?

Use task list SAP_ESH_RESET in the working client to reset Enterprise
Search to initial state. To setup Enterprise Search again use task list
SAP_ESH_INITIAL_SETUP_WRK_CLIENT.

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_CONN090 - There are duplicate local connections. No check for connector &1 ?

  The SAP error message ESH_CHECK_CONN090 indicates that there are duplicate local connections in the system, which prevents the system from performing a check for the specified connector. This error typically arises in the context of the SAP Enterprise Search (SAP ESH) or when dealing with the SAP HANA database.
  
  Cause:
  The error is caused by the presence of multiple connections that have the same name or identifier in the system. This can happen due to:
  
  Incorrect configuration of connections in the SAP system.
  Manual duplication of connection entries.
  Migration or upgrade processes that may have inadvertently created duplicate entries.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Identify Duplicate Connections:
  
  Go to the transaction code /IWFND/MAINT_SERVICE or /IWFND/ERROR_LOG to check for existing connections.
  Use the transaction SE11 to check the relevant database tables for connection entries.
  
  
  
  Remove or Rename Duplicates:
  
  If you find duplicate entries, you can either delete the unnecessary duplicates or rename them to ensure that each connection