How To Fix IUUC_TAB207 - Communication failure calling to '&1' : &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 207

• Message text: Communication failure calling to '&1' : &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_TAB207 - Communication failure calling to '&1' : &2 ?

  The SAP error message IUUC_TAB207 indicates a communication failure when trying to call a specific function or service, which is represented by the placeholders &1 and &2. This error typically occurs in the context of SAP Landscape Transformation (SLT) or Data Replication scenarios, where data is being transferred between systems.
  Causes:
  
  Network Issues: There may be a network connectivity problem between the source and target systems.
  Configuration Errors: Incorrect configuration settings in the SLT system or the target system can lead to communication failures.
  Service Unavailability: The service or function being called may not be available or may be down.
  Authorization Issues: The user or service account may not have the necessary permissions to perform the operation.
  Timeouts: The operation may be timing out due to long processing times or heavy load on the system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the source and target systems. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration: Verify the configuration settings in the SLT system and ensure that they are correctly set up for the target system. This includes checking RFC destinations and connection parameters.
  Check Service Status: Ensure that the service or function being called is up and running. You may need to restart the service or check for any maintenance activities.
  Review Authorizations: Check the user roles and authorizations for the account being used to ensure it has the necessary permissions to execute the operation.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the relevant configuration.
  Check Logs: Review the SLT logs and system logs for more detailed error messages that can provide additional context on the failure.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SLT for Landscape Transformation configuration or SM21 for system logs to investigate further.
  SAP Notes: Check SAP Notes related to IUUC_TAB207 for any specific patches or updates that may address known issues.
  Documentation: Refer to the official SAP documentation for SLT and data replication for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.