How To Fix SCSM_CEN_CHECK105 - RFC connection error for &1. Reason: &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: SCSM_CEN_CHECK - Message Classes for CEN Check

• Message number: 105

• Message text: RFC connection error for &1. Reason: &2 &3 &4

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 SCSM_CEN_CHECK105 - RFC connection error for &1. Reason: &2 &3 &4 ?

  The SAP error message SCSM_CEN_CHECK105 indicates an issue with an RFC (Remote Function Call) connection. This error typically arises when there is a problem with the connection settings or the underlying network infrastructure. The message format includes placeholders for specific details, such as the connection name and the reason for the failure.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system (e.g., incorrect host name, port number, or logon credentials).
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Service Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the RFC connection.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to verify that the target system is reachable from the source system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the error. Ensure that the connection parameters (like hostname, service, and logon credentials) are correct.
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Review User Authorizations:
  
  Ensure that the user ID used for the RFC connection has the necessary authorizations to access the target system.
  Check the roles and profiles assigned to the user.
  
  
  
  Check Target System Status:
  
  Verify that the target SAP system is up and running.
  Check for any scheduled maintenance or downtime.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for RFC communication.
  Consult with your network/security team if necessary.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SICF: Maintain HTTP Services (if applicable)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on RFC connections and troubleshooting.
  
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with the full error message and any relevant logs or details.