How To Fix IUUC_TAB146 - Call to remote system failed, either for '&1' or '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_TAB - IUUC: Messages for table analysis

• Message number: 146

• Message text: Call to remote system failed, either for '&1' or '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_TAB146 - Call to remote system failed, either for '&1' or '&2' ?

  The SAP error message IUUC_TAB146 indicates that there was a failure in calling a remote system, which can occur in scenarios involving data replication or communication between systems, particularly in the context of SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  The error can be caused by several factors, including:
  
  
  Network Issues: There may be connectivity problems between the source and target systems, such as network outages, firewall restrictions, or incorrect network configurations.
  
  
  Configuration Errors: The remote system may not be properly configured in the SLT or Data Services settings. This includes incorrect RFC (Remote Function Call) destinations or missing authorizations.
  
  
  System Availability: The remote system might be down or not reachable due to maintenance or other issues.
  
  
  Data Consistency Issues: There may be inconsistencies in the data being replicated, which can lead to failures in processing.
  
  
  Authorization Issues: The user credentials used for the connection may not have the necessary permissions to access the remote system.
  
  
  Solution:
  To resolve the IUUC_TAB146 error, you can take the following steps:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the systems is stable and operational.
  Use tools like ping or traceroute to verify connectivity.
  
  
  
  Verify RFC Configuration:
  
  Check the RFC destination settings in transaction SM59 to ensure they are correctly configured.
  Test the RFC connection to see if it is working properly.
  
  
  
  Check System Status:
  
  Verify that the remote system is up and running. Check for any scheduled maintenance or downtime.
  
  
  
  Review Authorizations:
  
  Ensure that the user credentials used for the connection have the necessary authorizations to access the remote system.
  
  
  
  Examine Logs:
  
  Check the SLT logs (transaction SLG1) or other relevant logs for more detailed error messages that can provide additional context about the failure.
  
  
  
  Data Consistency Checks:
  
  If applicable, check for any data consistency issues that may be causing the replication to fail.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 for RFC destination configuration.
  SLG1 for viewing application logs related to SLT.
  
  
  
  Documentation: 
  
  Refer to SAP Help documentation for SLT or Data Services for detailed configuration and troubleshooting guidelines.
  
  
  
  SAP Community: 
  
  Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  
  By following these steps, you should be able to diagnose and resolve the IUUC_TAB146 error effectively. If the issue persists, consider reaching out to SAP support for further assistance.