How To Fix MKTPL_R3003 - Connection to ERP system &1 cannot be established

SAP Error Message - Details

• Message type: E = Error

• Message class: MKTPL_R3 - Marketing Plan R/3 Interface

• Message number: 003

• Message text: Connection to ERP system &1 cannot be established

What causes this issue?

The ERP System & is currently not available.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE NA_FUNKTION_NICHT_M+GLICH OBJECT DOKU ID TX

How to fix this error?

INCLUDE NA_WIEDERHOLEN OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MKTPL_R3003 - Connection to ERP system &1 cannot be established ?

  The SAP error message MKTPL_R3003 indicates that there is an issue with establishing a connection to the specified ERP system. This can occur in various scenarios, such as when trying to access data from the ERP system or when integrating with other SAP modules or third-party applications.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the ERP system.
  Incorrect Configuration: The connection parameters (such as hostname, port, or client number) may be incorrectly configured in the SAP system.
  Service Unavailability: The ERP system may be down or not running the necessary services to accept connections.
  Authorization Issues: The user credentials used to connect to the ERP system may not have the necessary permissions.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection between the systems.
  SAP Gateway Issues: The SAP Gateway may not be properly configured or may be experiencing issues.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the ERP system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Connection Configuration:
  
  Check the connection settings in the SAP system (transaction code SM59 for RFC connections).
  Ensure that the hostname, port, and client number are correctly configured.
  
  
  
  Check ERP System Status:
  
  Ensure that the ERP system is up and running.
  Check if the necessary services (like the application server) are active.
  
  
  
  Review User Authorizations:
  
  Verify that the user credentials used for the connection have the necessary authorizations to access the ERP system.
  
  
  
  Firewall and Security Settings:
  
  Check firewall settings to ensure that the required ports are open for communication between the systems.
  Consult with your network/security team if necessary.
  
  
  
  SAP Gateway Configuration:
  
  Ensure that the SAP Gateway is properly configured and running.
  Check for any errors in the Gateway logs that might indicate issues.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 - To manage RFC connections.
  SM21 - To check system logs for errors.
  ST22 - To check for dumps that may provide more context on the error.
  
  
  
  Documentation: 
  
  Review SAP documentation related to connectivity and integration for best practices and troubleshooting steps.
  
  
  
  SAP Support: 
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  By following these steps, you should be able to diagnose and resolve the connection issue indicated by the MKTPL_R3003 error message.