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Message type: E = Error
Message class: RT - Monitoring infrastructure MSG and alert texts
Message number: 454
Message text: CCMSPING communication error: System &1 service &2 unknown
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RT454
- CCMSPING communication error: System &1 service &2 unknown ?The SAP error message RT454 "CCMSPING communication error: System &1 service &2 unknown" typically indicates a problem with the communication between the SAP system and the CCMS (Computing Center Management System) monitoring infrastructure. This error can occur for various reasons, including configuration issues, network problems, or service availability.
Causes:
- Incorrect Configuration: The system or service name specified in the configuration might be incorrect or not recognized by the CCMS.
- Service Not Running: The service that the CCMS is trying to ping may not be running on the target system.
- Network Issues: There could be network connectivity issues preventing communication between the systems.
- Authorization Issues: The user or service account may not have the necessary permissions to access the target system or service.
- System Name Changes: If the system name has changed (e.g., during a system copy or migration), the CCMS configuration may not have been updated accordingly.
Solutions:
Check Configuration:
- Verify the configuration settings in the CCMS for the system and service names. Ensure they are correct and match the actual system and service names.
- You can check the configuration in transaction
RZ20
orRZ21
.Verify Service Status:
- Ensure that the service you are trying to ping is up and running on the target system. You can check this using transaction
SM51
to see the list of active instances.Network Connectivity:
- Test the network connectivity between the systems. You can use tools like
ping
ortelnet
to check if the target system is reachable on the required ports.Check Authorizations:
- Ensure that the user or service account used for the CCMS monitoring has the necessary authorizations to access the target system and service.
Update System Names:
- If there have been changes to the system names, update the CCMS configuration to reflect the new names.
Review Logs:
- Check the system logs (transaction
SM21
) and CCMS logs for any additional error messages that might provide more context about the issue.Restart Services:
- If applicable, restart the CCMS services or the SAP system to refresh the connections.
Related Information:
If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.
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