How To Fix RSO_CTC233 - RDA daemons and process chains could not be restarted

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO_CTC - Message class for CTC related messages

• Message number: 233

• Message text: RDA daemons and process chains could not be restarted

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSO_CTC233 - RDA daemons and process chains could not be restarted ?

  The SAP error message RSO_CTC233 indicates that the RDA (Remote Data Access) daemons and process chains could not be restarted. This error typically arises in the context of SAP BW (Business Warehouse) or SAP BW/4HANA environments, particularly when dealing with data loading processes or process chains.
  Causes:
  
  Configuration Issues: There may be misconfigurations in the RDA settings or process chain settings.
  System Resource Limitations: Insufficient system resources (CPU, memory, etc.) can prevent the daemons from starting.
  Network Issues: Problems with network connectivity can hinder the communication between the RDA daemons and the SAP system.
  Daemon Failures: The RDA daemons themselves may have crashed or failed to start due to internal errors.
  Authorization Issues: The user executing the process chain may not have the necessary authorizations to start the daemons.
  Database Issues: Problems with the underlying database can also lead to failures in starting the daemons.
  
  Solutions:
  
  Check Configuration: Review the RDA configuration settings in the SAP system to ensure they are correct. This includes checking the settings for the process chains and ensuring that all required parameters are set properly.
  Monitor System Resources: Use transaction codes like ST02 (buffer management), ST06 (OS monitor), and SM50 (process overview) to check for resource bottlenecks. If resources are low, consider optimizing the system or increasing the resources.
  Network Connectivity: Verify that there are no network issues affecting the communication between the RDA daemons and the SAP system. Check firewalls, network settings, and connectivity.
  Restart Daemons: If the daemons are not running, try restarting them manually. You can do this through transaction RSCONN01 or by using the appropriate command in the operating system.
  Check Authorizations: Ensure that the user executing the process chain has the necessary authorizations to start the RDA daemons. You may need to consult with your security team to verify this.
  Review Logs: Check the system logs (transaction SLG1) and the RDA daemon logs for any error messages or warnings that could provide more insight into the issue.
  Database Health: Ensure that the database is functioning correctly. Check for any locks, long-running queries, or other issues that could affect performance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps. You can search the SAP Support Portal for notes related to RSO_CTC233.
  Documentation: Review the SAP BW documentation for best practices on managing RDA daemons and process chains.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.