How To Fix SNI000 - Operation failed (rc=&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: SNI - Messages for NI Package

• Message number: 000

• Message text: Operation failed (rc=&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 SNI000 - Operation failed (rc=&1) ?

  The SAP error message SNI000 Operation failed (rc=&1) is a generic error message that indicates a failure in the SAP Network Interface (SNI) layer. This error can occur in various scenarios, often related to network communication issues, configuration problems, or resource limitations.
  Possible Causes:
  
  Network Issues: Problems with the network connection between the SAP application server and the database or other systems.
  Configuration Errors: Incorrect settings in the SAP system configuration, such as incorrect parameters in the saprfc.ini or tnsnames.ora files.
  Resource Limitations: Insufficient system resources, such as memory or CPU, which can lead to failures in processing requests.
  Database Connectivity: Issues with the database connection, such as the database being down or unreachable.
  Firewall or Security Settings: Firewalls or security settings that block the necessary ports for SAP communication.
  Transport Layer Issues: Problems with the transport layer, such as incorrect transport settings or issues with the transport protocol.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP application server and the database or other systems is stable and functioning correctly. Use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in the relevant files (e.g., saprfc.ini, tnsnames.ora) to ensure they are correct. Check for any typos or incorrect parameters.
  Monitor System Resources: Check the system resources (CPU, memory, disk space) on the SAP application server and database server. Ensure that there are sufficient resources available.
  Database Status: Confirm that the database is up and running and that there are no issues with the database service.
  Firewall Settings: Review firewall settings to ensure that the necessary ports for SAP communication are open and not blocked.
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Review Logs: Check the SAP application logs (e.g., dev_w0, dev_r0) for more detailed error messages that can provide additional context about the failure.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs and the context in which the error occurred.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and resolve the SNI000 error in your SAP environment.