How To Fix 00456 - Timeout during connection setup; check that the partner exists

00456 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 456

• Message text: Timeout during connection setup; check that the partner exists

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 00456 - Timeout during connection setup; check that the partner exists ?

  The SAP error message "00456 Timeout during connection setup; check that the partner exists" typically indicates that there is a problem with establishing a connection between SAP systems or between an SAP system and an external system. This error can occur in various scenarios, such as when using RFC (Remote Function Call), HTTP connections, or other types of communication.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems or between the SAP system and the external partner.
  Incorrect Configuration: The connection parameters (like IP address, hostname, port number) may be incorrectly configured in the SAP system.
  Partner Not Available: The target system or partner may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Timeout Settings: The timeout settings for the connection may be too short, causing the connection attempt to fail before it can be established.
  SAP Gateway Issues: The SAP Gateway service may not