How To Fix /SRMSMC/SQQ004 - Communication error: duplicate queue name &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SRMSMC/SQQ -

• Message number: 004

• Message text: Communication error: duplicate queue name &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SRMSMC/SQQ004 - Communication error: duplicate queue name &1 ?

  The SAP error message /SRMSMC/SQQ004 Communication error: duplicate queue name &1 typically occurs in the context of SAP's Service Management and Queue Management systems. This error indicates that there is a conflict due to the presence of a duplicate queue name in the system.
  Cause:
  
  Duplicate Queue Names: The primary cause of this error is that there are two or more queues with the same name in the system. This can happen due to misconfiguration or errors during the setup of queues.
  Configuration Issues: Incorrect configuration in the SAP system or in the middleware that connects different components can lead to this error.
  Transport Issues: If queues are transported from one system to another (e.g., from development to production), and the same queue name exists in both systems, this error may arise.
  
  Solution:
  
  
  Identify Duplicate Queues:
  
  Use transaction codes like SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to check for existing queues.
  Look for queues with the same name as indicated in the error message.
  
  
  
  Rename or Delete Duplicate Queues:
  
  If you find duplicate queues, you can either rename or delete the unnecessary ones. Ensure that you have the necessary authorizations to perform these actions.
  To delete a queue, you can use the SMQ1 or SMQ2 transaction, select the queue, and choose the delete option.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the relevant SAP modules to ensure that queue names are unique and correctly set up.
  If you are using middleware (like SAP PI/PO), check the configuration there as well.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs and ensure that the transport did not inadvertently create duplicate queues.
  If necessary, adjust the transport requests to avoid conflicts.
  
  
  
  System Restart:
  
  In some cases, restarting the relevant SAP services or the entire system may help clear transient issues related to queue management.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to queue management and communication errors for any specific patches or updates that may address this issue.
  Documentation: Review the official SAP documentation for Service Management and Queue Management for best practices on configuring and managing queues.
  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 resolve the /SRMSMC/SQQ004 Communication error: duplicate queue name &1 error in your SAP system.