How To Fix CMES105 - External server for scheduling is off

SAP Error Message - Details

• Message type: E = Error

• Message class: CMES - External Scheduling Interface CS-SDL

• Message number: 105

• Message text: External server for scheduling is off

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 CMES105 - External server for scheduling is off ?

  The SAP error message CMES105, which states "External server for scheduling is off," typically indicates that the external scheduling server (such as a job scheduling tool or a background processing server) that SAP is trying to communicate with is not currently active or reachable. This can disrupt scheduled jobs or processes that rely on this external server.
  Causes:
  
  Server Downtime: The external scheduling server may be down for maintenance or due to a failure.
  Network Issues: There may be network connectivity issues preventing SAP from reaching the external server.
  Configuration Issues: The configuration settings in SAP for the external scheduling server may be incorrect or incomplete.
  Authorization Issues: The user or system may not have the necessary permissions to access the external scheduling server.
  Service Not Started: The service or daemon responsible for the external scheduling may not be running.
  
  Solutions:
  
  Check Server Status: Verify that the external scheduling server is up and running. If it is down, restart the server or contact the system administrator.
  Network Connectivity: Ensure that there are no network issues. You can test connectivity using ping or other network diagnostic tools.
  Review Configuration: Check the configuration settings in SAP for the external scheduling server. Ensure that the server name, port, and other parameters are correctly set.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to access the external scheduling server.
  Restart Services: If applicable, restart the services or daemons related to the external scheduling server.
  Logs and Traces: Review logs and traces on both the SAP system and the external server for any error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to CMES105. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Refer to the official SAP documentation for details on configuring and managing external scheduling servers.
  Support: If the issue persists after troubleshooting, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the CMES105 error message.