How To Fix FRE167 - RFC-Error: No Respond - Timed Out

SAP Error Message - Details

• Message type: E = Error

• Message class: FRE - F&R CON R/3 - Messages

• Message number: 167

• Message text: RFC-Error: No Respond - Timed Out

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 FRE167 - RFC-Error: No Respond - Timed Out ?

  The SAP error message FRE167, which indicates an RFC (Remote Function Call) error with the message "No Respond - Timed Out," typically occurs when there is a communication issue between the SAP system and the remote system it is trying to connect to. This can happen for various reasons, including network issues, configuration problems, or issues with the remote system itself.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the remote system. This could be due to firewalls, routing issues, or network outages.
  Remote System Unavailability: The remote system may be down or not responding due to maintenance, crashes, or other issues.
  Timeout Settings: The timeout settings for the RFC connection may be too short, causing the connection to time out before a response is received.
  Configuration Issues: Incorrect configuration of the RFC destination in the SAP system can lead to connection problems.
  Resource Limitations: The remote system may be overloaded or have resource limitations that prevent it from responding in a timely manner.
  
  Solutions:
  
  Check Network Connectivity: Verify that the network connection between the SAP system and the remote system is stable. You can use tools like ping or traceroute to diagnose network issues.
  Verify Remote System Status: Ensure that the remote system is up and running. Check for any maintenance activities or outages that might affect its availability.
  Adjust Timeout Settings: If the timeout settings are too short, consider increasing them. This can be done in the RFC destination settings in the SAP system.
  Review RFC Destination Configuration: Check the configuration of the RFC destination in transaction SM59. Ensure that the connection parameters are correct, including the target host, system number, and client.
  Monitor System Resources: On the remote system, check for resource usage (CPU, memory, etc.) to ensure it is not overloaded. If necessary, optimize performance or increase resources.
  Check Firewall Settings: Ensure that firewalls or security settings are not blocking the RFC communication between the systems.
  
  Related Information:
  
  Transaction SM59: This transaction is used to manage RFC destinations in SAP. You can test the connection from here to see if it is working properly.
  Transaction ST22: Check for any dumps that might provide more information about the error.
  Transaction SM21: Review the system log for any related error messages that could give more context to the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC communication.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your network or system administrators for further investigation.