How To Fix S_UNIFIED_CON123 - Pre-Requisite for starting of data collector is not fulfilled

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 123

• Message text: Pre-Requisite for starting of data collector is not fulfilled

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON123 - Pre-Requisite for starting of data collector is not fulfilled ?

  The SAP error message S_UNIFIED_CON123 indicates that a prerequisite for starting the data collector is not fulfilled. This error typically arises in the context of SAP's Unified Connectivity (UCON) framework, which is used for data collection and integration tasks.
  Causes:
  
  Missing Configuration: The data collector may not be properly configured. This could include missing or incorrect settings in the data source or target system.
  Authorization Issues: The user or service account running the data collector may not have the necessary authorizations to access the required resources.
  System Dependencies: There may be dependencies on other components or services that are not running or are misconfigured.
  Network Issues: Connectivity problems between the SAP system and the data source or target can also lead to this error.
  Version Compatibility: The version of the data collector may not be compatible with the version of the SAP system or the data source.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the data collector. Ensure that all required parameters are set correctly and that the data source and target are properly defined.
  Verify Authorizations: Ensure that the user or service account has the necessary authorizations to access the data source and perform the required operations.
  Check Dependencies: Verify that all dependent services and components are running and properly configured. This may include checking background jobs, other data collectors, or related services.
  Network Connectivity: Test the network connection between the SAP system and the data source/target. Ensure that there are no firewall or routing issues preventing access.
  Review Logs: Check the application logs and system logs for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Refer to the official SAP documentation for Unified Connectivity and data collectors for any specific prerequisites or configuration steps that may have been missed.
  Update Components: If there are known compatibility issues, consider updating the data collector or the SAP system to a compatible version.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to Unified Connectivity and the specific data collector you are using. SAP Notes often contain important information about known issues and fixes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the S_UNIFIED_CON123 error message.