How To Fix ESH_EX018 - Technical error on test connection

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_EX - Extraction

• Message number: 018

• Message text: Technical error on test connection

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_EX018 - Technical error on test connection ?

  The SAP error message ESH_EX018 indicates a technical error encountered during a test connection, typically related to the Enterprise Search (ESH) component in SAP systems. This error can arise due to various reasons, and addressing it usually involves checking configurations and system settings.
  Possible Causes:
  
  Incorrect Configuration: The connection settings for the Enterprise Search might be incorrectly configured, such as wrong hostnames, ports, or credentials.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the search engine or the relevant service.
  Service Availability: The search service or the underlying database might be down or not running.
  Authorization Issues: The user account used for the connection might not have the necessary permissions to access the search service.
  System Resource Limitations: Insufficient system resources (like memory or CPU) could lead to failures in establishing a connection.
  Version Compatibility: There might be compatibility issues between the SAP system and the search engine version.
  
  Solutions:
  
  
  Check Configuration Settings:
  
  Verify