How To Fix RA565 - CCMSPING communication error: Cannot access message server

SAP Error Message - Details

• Message type: E = Error

• Message class: RA - Monitoring structure dialog message

• Message number: 565

• Message text: CCMSPING communication error: Cannot access message server

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 RA565 - CCMSPING communication error: Cannot access message server ?

  The SAP error message RA565 CCMSPING communication error: "Cannot access message server" typically indicates a problem with the communication between the SAP system and the message server. This can occur due to various reasons, including network issues, configuration problems, or server availability.
  Causes:
  
  Network Issues: There may be network connectivity problems between the application server and the message server.
  Message Server Down: The message server itself may be down or not running.
  Incorrect Configuration: The configuration settings for the message server in the SAP system may be incorrect.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication ports used by the message server.
  DNS Issues: Problems with DNS resolution can prevent the application server from locating the message server.
  SAP Instance Not Registered: The SAP instance may not be properly registered with the message server.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to check connectivity between the application server and the message server.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Message Server Status:
  
  Check if the message server is running. You can do this by logging into the SAP system and checking the status of the message server.
  If the message server is down, restart it.
  
  
  
  Review Configuration Settings:
  
  Check the instance profile and SAP GUI settings to ensure that the message server's hostname and port are correctly configured.
  Ensure that the ms/port parameter in the instance profile is set correctly.
  
  
  
  Firewall and Security Settings:
  
  Ensure that the necessary ports (default is 3600 for the message server) are open and not blocked by firewalls.
  Check any security settings that may restrict access to the message server.
  
  
  
  DNS Resolution:
  
  Verify that the hostname of the message server can be resolved correctly. You can test this by using the nslookup command.
  If there are issues, consider using the IP address of the message server instead of the hostname.
  
  
  
  Check SAP Instance Registration:
  
  Ensure that the SAP instance is properly registered with the message server. You can check this in the SAP Management Console (SAP MMC) or by using transaction SMLG.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the RA565 error.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review the official SAP documentation for configuration and troubleshooting related to message servers and system communication.
  
  By following these steps, you should be able to diagnose and resolve the RA565 CCMSPING communication error effectively.