How To Fix D-070 - Comm. failure: &

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 070

• Message text: Comm. failure: &

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 D-070 - Comm. failure: & ?

  The SAP error message D-070 "Comm. failure: &" typically indicates a communication failure between the SAP system and another system or component. This could be due to various reasons, such as network issues, configuration problems, or issues with the external system itself.
  Causes:
  
  Network Issues: Problems with the network connection, such as downtime, latency, or misconfigured network settings.
  Configuration Errors: Incorrect settings in the SAP system or the external system that prevent successful communication.
  System Downtime: The external system or service that SAP is trying to communicate with may be down or unavailable.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between systems.
  Protocol Mismatch: The communication protocol used by SAP may not match the protocol expected by the external system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the external system is stable and functioning properly. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and the external system. Ensure that all necessary parameters are correctly set.
  Check System Status: Confirm that the external system is up and running. If it is down, you may need to wait until it is back online.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow communication between the SAP system and the external system.
  Protocol Verification: Ensure that the communication protocols are compatible. If there is a mismatch, you may need to adjust the settings on either side.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP Notes often provide solutions or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) or ST22 (Dump Analysis) to check for any related logs or dumps that could provide more context about the error.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed troubleshooting steps based on your specific environment and configuration.
  Documentation: Review the official SAP documentation for any specific guidelines related to the communication setup you are using (e.g., RFC, IDoc, etc.).
  
  By following these steps, you should be able to identify and resolve the cause of the D-070 communication failure in your SAP system.