How To Fix 00639 - Datagram send failed

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 639

• Message text: Datagram send failed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00639 - Datagram send failed ?

  The SAP error message "00639 Datagram send failed" typically indicates a communication issue between the SAP system and the database or another system component. This error can occur due to various reasons, including network problems, configuration issues, or resource limitations.
  Causes:
  
  Network Issues: Problems with the network connection, such as high latency, packet loss, or network outages, can prevent datagrams from being sent successfully.
  Firewall Settings: Firewalls or security settings may block the necessary ports for SAP communication.
  Database Connection Problems: Issues with the database server, such as it being down or unreachable, can lead to this error.
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) on the application server or database server can cause communication failures.
  Configuration Errors: Incorrect settings in the SAP system configuration, such as incorrect hostnames or IP addresses, can lead to this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP application server and the database server is stable. Use tools like ping or traceroute to diagnose network issues.
  Review Firewall Settings: Verify that the necessary ports for SAP communication are open and not being blocked by firewalls or security software.
  Database Status: Check the status of the database server to ensure it is running and accessible. Look for any error messages in the database logs.
  Monitor System Resources: Use monitoring tools to check the CPU, memory, and disk usage on both the application and database servers. Address any resource bottlenecks.
  Configuration Review: Double-check the SAP configuration settings, including the database connection parameters, to ensure they are correct.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more specific guidance based on your system configuration and logs.
  Logs and Traces: Review the SAP application logs (transaction SM21) and developer traces (transaction ST22) for additional error messages or clues related to the issue.
  Documentation: Refer to SAP documentation for your specific version to understand any known issues or patches related to this error.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the "00639 Datagram send failed" error in your SAP environment.