How To Fix 0T084 - &1 unknown systems, &2 connections and &3 target groups deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: 0T - WBO Configuration Editor / SE06

• Message number: 084

• Message text: &1 unknown systems, &2 connections and &3 target groups deleted

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 0T084 - &1 unknown systems, &2 connections and &3 target groups deleted ?

  The SAP error message "0T084 &1 unknown systems, &2 connections and &3 target groups deleted" typically indicates that there are issues related to system connections or configurations in the SAP landscape. This error can occur in various contexts, such as during system monitoring, transport management, or when working with system landscapes in SAP Solution Manager.
  Cause:
  
  
  Unknown Systems: The error suggests that there are references to systems that are no longer recognized by the SAP system. This could be due to:
  
  Systems being deleted or not properly registered in the SAP landscape.
  Changes in the system landscape that have not been updated in the configuration.
  
  
  
  Connections: The connections to these unknown systems may have been lost or misconfigured, leading to the inability to communicate with them.
  
  
  Target Groups: Target groups that were associated with these systems may also have been deleted or are no longer valid.
  
  
  Solution:
  
  
  Check System Configuration:
  
  Go to the relevant transaction (e.g., SICF, SM59, or SOLMAN_SETUP) to verify the configuration of the systems and connections.
  Ensure that all systems are correctly defined and that their statuses are active.
  
  
  
  Update System Landscape:
  
  If systems have been removed or changed, update the system landscape in the SAP Solution Manager or relevant configuration areas.
  Use transaction SOLMAN_SETUP to refresh the system landscape and ensure all systems are correctly registered.
  
  
  
  Delete Invalid Entries:
  
  If there are entries for systems or connections that no longer exist, consider deleting these entries to clean up the configuration.
  This can often be done in the relevant configuration transactions.
  
  
  
  Check Transport Routes:
  
  If the error is related to transport management, check the transport routes and ensure that they are correctly configured and that all systems are reachable.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error message. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  System Restart:
  
  In some cases, a restart of the SAP system or the relevant services may help to refresh the connections and resolve transient issues.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on system landscape management and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it impacts critical business processes.
  
  By following these steps, you should be able to diagnose and resolve the error message related to unknown systems, connections, and target groups in your SAP environment.