How To Fix 14102 - Communication error with server &1: &2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 102

• Message text: Communication error with server &1: &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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 14102 - Communication error with server &1: &2&3&4 ?

  The SAP error message "14102 Communication error with server &1: &2&3&4" typically indicates a communication issue between the SAP system and a server or service it is trying to connect to. This error can arise in various contexts, such as during data transfer, remote function calls (RFC), or when accessing external services.
  Causes:
  
  Network Issues: Problems with the network connection, such as downtime, high latency, or misconfigured network settings.
  Server Unavailability: The target server may be down or not reachable due to maintenance or other issues.
  Configuration Errors: Incorrect settings in the SAP system or the target server, such as wrong IP addresses, ports, or service names.
  Firewall Restrictions: Firewalls may be blocking the communication between the SAP system and the target server.
  Protocol Mismatch: The communication protocol used may not be supported or properly configured on either side.
  Resource Limitations: The server may be overloaded or running out of resources, leading to communication failures.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target server is stable. You can use tools like ping or traceroute to diagnose connectivity issues.
  Verify Server Status: Check if the target server is up and running. If it is down, coordinate with the server administrators to resolve the issue.
  Review Configuration Settings: Double-check the configuration settings in both the SAP system and the target server. Ensure that the correct IP addresses, ports, and service names are being used.
  Inspect Firewall Rules: Review firewall settings to ensure that they are not blocking the required ports for communication. Adjust the rules if necessary.
  Check Protocol Compatibility: Ensure that both systems are using compatible communication protocols and that they are properly configured.
  Monitor Server Resources: Check the resource usage on the target server. If it is overloaded, consider optimizing the server or scaling resources as needed.
  SAP Notes and Support: Look for relevant SAP Notes that may address this specific error. SAP's support portal can provide additional insights and patches if necessary.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) or ST22 (Dump Analysis) to gather more information about the error.
  Logs: Check the application logs and system logs for any additional error messages or warnings that could provide more context.
  SAP Community: Engaging with the SAP Community forums can also be helpful, as other users may have encountered similar issues and can share their solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.