How To Fix SAPC_MESSAGE035 - Multiplexing error occurred: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPC_MESSAGE -

• Message number: 035

• Message text: Multiplexing error occurred: &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 SAPC_MESSAGE035 - Multiplexing error occurred: &1 ?

  The SAP error message SAPC_MESSAGE035, which indicates that a "Multiplexing error occurred: &1," typically relates to issues in the communication between the SAP application server and the database or other components involved in the data processing. This error can arise due to various reasons, including network issues, configuration problems, or resource limitations.
  Causes:
  
  Network Issues: Problems with the network connection between the application server and the database can lead to multiplexing errors.
  Configuration Errors: Incorrect settings in the SAP system configuration, such as parameters related to database connections or application server settings.
  Resource Limitations: Insufficient resources (CPU, memory, etc.) on the application server or database server can cause timeouts or failures in processing requests.
  Database Issues: Problems with the database itself, such as locks, deadlocks, or performance issues, can lead to multiplexing errors.
  Version Compatibility: Incompatibility between different versions of SAP components or between SAP and the database can also lead to errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP application server and the database. Use tools like ping or traceroute to diagnose connectivity problems.
  Review Configuration Settings: Verify the configuration settings in the SAP system, particularly those related to database connections. Check parameters in the instance profile and SAP GUI.
  Monitor System Resources: Use monitoring tools to check the resource usage on both the application server and the database server. If resources are low, consider scaling up or optimizing the system.
  Database Health Check: Perform a health check on the database to identify any locks, deadlocks, or performance issues. Resolve any identified issues.
  Update Components: Ensure that all components of the SAP system, including the database, are up to date and compatible with each other. Apply any necessary patches or updates.
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Support Portal: Access the SAP Support Portal for documentation, notes, and community discussions related to this error.
  SAP Community: Engage with the SAP Community to find discussions or solutions shared by other users who may have encountered the same issue.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the multiplexing error.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.