How To Fix 00230 - No free connections exist; try again later

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 230

• Message text: No free connections exist; try again later

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 00230 - No free connections exist; try again later ?

  The SAP error message "00230 No free connections exist; try again later" typically indicates that the system has reached its limit for active connections to the database or application server. This can happen in environments with high user activity or when there are resource constraints.
  Causes:
  
  Connection Limit Reached: The maximum number of allowed connections to the database or application server has been reached.
  Long-Running Transactions: Some transactions may be taking too long to complete, holding onto connections longer than necessary.
  Resource Constraints: Insufficient resources (CPU, memory) on the server can lead to delays in processing connections.
  Configuration Issues: Incorrect configuration settings for connection pooling or limits in the SAP system or database.
  Network Issues: Problems with the network can cause connections to hang or not be released properly.
  
  Solutions:
  
  
  Increase Connection Limits:
  
  Review and increase the maximum number of connections allowed in the database or application server configuration.
  For example, in Oracle, you can adjust the PROCESSES parameter, and in SQL Server, you can adjust the max connections setting.
  
  
  
  Monitor and Optimize Long-Running Transactions:
  
  Use transaction monitoring tools to identify and optimize long-running transactions that may be holding onto connections.
  Consider implementing timeout settings for transactions.
  
  
  
  Check Resource Utilization:
  
  Monitor server performance metrics (CPU, memory, disk I/O) to identify any bottlenecks.
  Scale up resources if necessary or optimize existing workloads.
  
  
  
  Review Connection Pooling Settings:
  
  Ensure that connection pooling is configured correctly in the SAP system and the database.
  Adjust parameters related to connection pooling to better manage connections.
  
  
  
  Restart Services:
  
  If the issue persists, consider restarting the SAP application server or database services to clear any stuck connections.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM50 (to monitor work processes) and SM66 (to monitor global work processes) to analyze active connections and processes.
  Database Monitoring Tools: Utilize database-specific monitoring tools to check for connection usage and performance.
  SAP Basis Team: Collaborate with your SAP Basis team for deeper analysis and configuration changes.
  
  If the problem persists after trying these solutions, it may be necessary to engage SAP support for further assistance.