How To Fix 00457 - Communication system error (allocate failed); check the partner

00457 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 457

• Message text: Communication system error (allocate failed); check the partner

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 00457 - Communication system error (allocate failed); check the partner ?

  The SAP error message "00457 Communication system error (allocate failed); check the partner" typically indicates a problem with the communication between the SAP system and a partner system, which could be another SAP system or an external application. This error often arises due to resource allocation issues, such as memory or network problems.
  Causes:
  
  Resource Allocation Issues: The SAP system may be unable to allocate the necessary resources (like memory) to establish a communication session.
  Network Problems: There could be network connectivity issues between the SAP system and the partner system.
  Configuration Errors: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the partner system.
  System Load: High load on the SAP system or the partner system can lead to resource allocation failures.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between the systems.
  
  Solutions:
  
  Check System Resources: Monitor the system's memory and CPU usage. If the system is under