How To Fix ESH_SES007 - Communication failure in &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_SES - SES Adapter: End-User Messages

• Message number: 007

• Message text: Communication failure in &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_SES007 - Communication failure in &1 ?

  The SAP error message ESH_SES007, which indicates a "Communication failure in &1," typically arises in the context of the SAP Enterprise Search (ESS) or SAP Search and Classification (TREX) systems. This error suggests that there is a problem with the communication between the SAP system and the search engine or the underlying database.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the TREX server.
  TREX Server Down: The TREX server might be down or not running properly.
  Configuration Issues: Incorrect configuration settings in the SAP system or TREX settings can lead to communication failures.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication ports used by the SAP system and TREX.
  Resource Limitations: The TREX server may be experiencing resource limitations (CPU, memory, etc.) that prevent it from processing requests.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP application server and the TREX server is stable and functioning. You can use tools like ping or traceroute to diagnose network issues.
  Verify TREX Server Status: Check if the TREX server is up and running. You can do this by accessing the TREX administration tools or checking the server logs.
  Review Configuration Settings: Ensure that the configuration settings for the search service in the SAP system are correct. This includes checking the connection parameters and ensuring they match the TREX server settings.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that the necessary ports for communication between the SAP system and TREX are open.
  Monitor Resource Usage: Check the resource usage on the TREX server. If it is overloaded, consider optimizing the server or scaling up resources.
  Restart Services: Sometimes, simply restarting the TREX services or the SAP application server can resolve transient communication issues.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional troubleshooting steps or patches related to this error.
  Logs: Review the application logs (transaction SLG1) and TREX logs for more detailed error messages that can provide insights into the root cause.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.