How To Fix SY312 - Error during connection setup (CMDEAL), return code = &

SY312 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 312

• Message text: Error during connection setup (CMDEAL), return code = &

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?

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY312 - Error during connection setup (CMDEAL), return code = & ?

  The SAP error message SY312 indicates that there was an error during the connection setup for the CMDEAL (Command Deal) process, and it provides a return code that can help diagnose the specific issue. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the database or application server.
  Configuration Errors: Incorrect configuration settings in the SAP system or in the database connection parameters can lead to this error.
  Database Issues: The database may be down, or there may be issues with the database instance that prevent connections from being established.
  Authorization Problems: The user or service account attempting to establish the connection may not have the necessary permissions.
  Resource Limitations: The server may be running out of resources (e.g., memory, connections) which can prevent new connections from being established.
  Return Code Specifics: The return code provided in the