How To Fix MQ184 - Application server(s) could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 184

• Message text: Application server(s) could not be determined

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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Smart SAP Assistant

• What is the cause and solution for SAP error message MQ184 - Application server(s) could not be determined ?

  The SAP error message MQ184, which states "Application server(s) could not be determined," typically occurs when there is an issue with the connection between the SAP GUI and the application server. This can happen for various reasons, including configuration issues, network problems, or system settings.
  Causes:
  
  Incorrect SAP GUI Configuration: The SAP GUI may not be configured correctly to connect to the application server.
  Network Issues: There may be network connectivity problems preventing the SAP GUI from reaching the application server.
  Application Server Down: The application server you are trying to connect to may be down or not available.
  Load Balancing Issues: If you are using a load balancer, it may not be configured correctly, leading to the inability to determine available application servers.
  SAP Profile Parameters: Certain profile parameters may not be set correctly, affecting server determination.
  SAP Router Issues: If you are using an SAP router, there may be issues with the router configuration.
  
  Solutions:
  
  
  Check SAP GUI Configuration:
  
  Ensure that the SAP GUI is configured with the correct connection parameters (e.g., application server, instance number, system ID).
  Try to connect using the IP address of the application server instead of the hostname.
  
  
  
  Verify Network Connectivity:
  
  Check if you can ping the application server from your client machine.
  Ensure that there are no firewall rules blocking the connection to the application server.
  
  
  
  Check Application Server Status:
  
  Use transaction code SM51 in the SAP GUI to check the status of application servers. Ensure that the server you are trying to connect to is up and running.
  
  
  
  Review Load Balancer Configuration:
  
  If using a load balancer, ensure that it is correctly configured to route requests to the available application servers.
  
  
  
  Check SAP Profile Parameters:
  
  Review the instance profile parameters related to the application server and ensure they are set correctly. Parameters like rdisp/mshost and rdisp/msserv should be checked.
  
  
  
  SAP Router Configuration:
  
  If applicable, verify the configuration of the SAP router and ensure it is functioning correctly.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM51: To view the list of application servers.
  SM04: To see the users logged on to the application server.
  SICF: To check the HTTP services and their status.
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for documentation related to system configuration and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.