How To Fix COOPC400 - ;;--------OPC DA-Specific Messages------------------------------

SAP Error Message - Details

• Message type: E = Error

• Message class: COOPC - Messages for SAP-OPC Integration

• Message number: 400

• Message text: ;;--------OPC DA-Specific Messages------------------------------

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 COOPC400 - ;;--------OPC DA-Specific Messages------------------------------ ?

  The SAP error message COOPC400 is related to the OPC (OLE for Process Control) Data Access interface, which is used for communication between SAP systems and process control systems. This error typically indicates an issue with the OPC connection or configuration.
  Cause:
  
  Connection Issues: The OPC server may not be reachable due to network issues, incorrect server address, or firewall settings.
  Configuration Errors: The OPC client configuration in SAP may be incorrect, such as wrong parameters or settings.
  OPC Server Issues: The OPC server may be down, misconfigured, or not properly registered.
  Authentication Problems: There may be issues with user permissions or authentication when trying to access the OPC server.
  Version Compatibility: There may be compatibility issues between the SAP system and the OPC server version.
  
  Solution:
  
  Check Network Connectivity: Ensure that the SAP system can reach the OPC server. Test the connection using ping or other network tools.
  Verify OPC Server Status: Make sure the OPC server is running and properly configured. Check the server logs for any errors.
  Review Configuration Settings: Double-check the OPC client configuration in SAP. Ensure that all parameters (like server name, port, etc.) are correctly set.
  Check User Permissions: Ensure that the user account used to connect to the OPC server has the necessary permissions.
  Update or Reinstall OPC Components: If there are compatibility issues, consider updating the OPC server or client components to the latest versions.
  Consult Documentation: Refer to the SAP and OPC server documentation for specific configuration and troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to OPC connectivity.
  OPC Specifications: Familiarize yourself with the OPC specifications and guidelines for proper implementation.
  Logs and Traces: Enable logging or tracing in both SAP and the OPC server to gather more information about the error.
  Support Forums: Consider reaching out to SAP support or community forums for additional assistance and insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for more in-depth troubleshooting.