How To Fix /ISDFPS/NR071 - Unknown error during communication with &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/NR -

• Message number: 071

• Message text: Unknown error during communication with &1

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 /ISDFPS/NR071 - Unknown error during communication with &1 ?

  The SAP error message /ISDFPS/NR071 Unknown error during communication with &1 typically indicates that there is a communication issue between the SAP system and an external system or service. The &1 placeholder usually represents the name of the external system or service that the SAP system is trying to communicate with.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to communication failures.
  Service Availability: The external service may be down or not responding.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication.
  Authorization Issues: The user or service account may not have the necessary permissions to access the external system.
  Data Format Issues: The data being sent or received may not be in the expected format, leading to errors in processing.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external system. 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 parameters are correctly set.
  Check Service Status: Confirm that the external service is up and running. You may need to contact the administrator of the external system.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow communication between the SAP system and the external system.
  Review User Permissions: Check the permissions of the user or service account being used for the communication. Ensure it has the necessary access rights.
  Examine Logs: Look at the SAP application logs and the logs of the external system for any additional error messages or clues that can help diagnose the issue.
  Test Communication: Use transaction codes like SM59 (RFC destinations) to test the connection to the external system and see if it is working correctly.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the documentation for the specific integration or communication method being used (e.g., RFC, HTTP, IDoc, etc.).
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support or your internal IT team for further assistance.