How To Fix CNV_MBT710 - While connecting to &1 a communication error occured (RFC destination &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 710

• Message text: While connecting to &1 a communication error occured (RFC destination &2)

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 CNV_MBT710 - While connecting to &1 a communication error occured (RFC destination &2) ?

  The SAP error message CNV_MBT710 indicates that there was a communication error while trying to connect to a specified system (denoted by &1) using a Remote Function Call (RFC) destination (denoted by &2). This error typically arises in scenarios involving data migration or system integration where RFC connections are used to communicate between different SAP systems or between an SAP system and external systems.
  Causes
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect connection parameters, such as the target system's hostname, port, or system ID.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  Target System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the two systems.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions
  
  Check Network Connectivity: Ensure that the network connection between the two systems is stable and operational. You can use tools like ping or traceroute to test connectivity.
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination &2 for correctness (e.g., hostname, system number, client, user, password).
  Test the connection using the "Test Connection" button in the RFC destination configuration.
  
  
  Check User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations in the target system.
  Check Target System Status: Verify that the target system is up and running. You can check this by logging into the target system or checking with your system administrator.
  Review Firewall Settings: Ensure that any firewalls between the two systems allow traffic on the required ports for RFC communication.
  Check SAP Gateway: Ensure that the SAP Gateway service is running on both the source and target systems. You can check this using transaction SMGW.
  
  Related Information
  
  Transaction Codes:
  
  SM59: To manage and test RFC destinations.
  SMGW: To monitor the SAP Gateway.
  SICF: To check and manage HTTP services if applicable.
  
  
  Logs and Traces: Check the system logs (transaction SM21) and developer traces (transaction ST11) for more detailed error messages that may provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC communication errors.
  
  If the issue persists after checking the above points, consider reaching out to your SAP Basis team or SAP support for further assistance.