How To Fix CNV_IUUC_REPL_TS052 - RFC Destination &1 is not responding

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_TS - Messages for troubleshooting functions

• Message number: 052

• Message text: RFC Destination &1 is not responding

What causes this issue?

The remote function call (RFC) to the source system &V1& is not
responding. This can be caused by an temporary outage in the source
system, network problems, missing authorizations, or an incorrect
password in the RFC connection.

System Response

No further checks for source system will occur. The replication and data
load is stopped.

How to fix this error?

Check RFC connection &V1& in the <DS:TRAN.SM59>RFC Overview.</> If the
error stills persists, contact your system administrator.

Procedure for System Administrators

The exception CX_IUUC_REPL_TECHNICAL occurred in method
CL_IUUC_REPL_REMOTE_FACADE=>ALIVE_RFCCONN.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_TS052 - RFC Destination &1 is not responding ?

  The SAP error message CNV_IUUC_REPL_TS052 indicates that there is an issue with the RFC (Remote Function Call) destination specified in the error message. This typically means that the system is unable to connect to the specified RFC destination, which can be due to various reasons.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  System Down: The target system that the RFC destination points to may be down or not reachable.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls may be blocking the connection to the target system.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to check if the target system is reachable from the source system.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the error message.
  Check the configuration settings, including the target host, system number, and client.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to see if the connection can be established.
  
  
  
  Check System Status:
  
  Ensure that the target SAP system is up and running. You can check this by logging into the target system or checking its status in the SAP Solution Manager.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check Firewall Settings:
  
  If applicable, check the firewall settings to ensure that the required ports for SAP communication are open.
  
  
  
  Review SAP Gateway Configuration:
  
  Ensure that the SAP Gateway service is running on both the source and target systems. You can check this in transaction SMGW.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are used in SAP to define how to connect to other SAP systems or external systems. Proper configuration is crucial for successful communication.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to RFC connections or the specific error message.
  Documentation: Refer to SAP documentation for detailed information on configuring and troubleshooting RFC destinations.
  
  By following these steps, you should be able to identify and resolve the issue causing the CNV_IUUC_REPL_TS052 error message.