How To Fix VIRT309 - Number of IIP

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 309

• Message text: Number of IIP

What causes this issue?

Integrated Information Processor (IIP)
This is a specialized engine for processing eligible database workloads.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VIRT309 - Number of IIP ?

  The SAP error message VIRT309, which refers to "Number of IIP (Internal Interface Process) exceeded," typically occurs in the context of SAP's integration and interface management, particularly when dealing with the Integration Interface Process (IIP) in SAP systems.
  Cause:
  The error is generally caused by one of the following reasons:
  
  Exceeding Limits: The number of active IIPs has exceeded the predefined limit set in the system configuration. This can happen if there are too many concurrent processes or if processes are not being terminated properly.
  Configuration Issues: Incorrect configuration settings for the IIP parameters in the SAP system can lead to this error.
  Resource Constraints: Insufficient system resources (like memory or processing power) can also lead to this error, as the system may not be able to handle the number of IIPs being requested.
  
  Solution:
  To resolve the VIRT309 error, you can take the following steps:
  
  
  Check Active IIPs: Use transaction codes like SM50 or SM66 to monitor the active processes in the system. Identify any long-running or stuck processes that may need to be terminated.
  
  
  Increase IIP Limit: If the number of IIPs is consistently reaching the limit, consider increasing the limit in the system configuration. This can usually be done in the relevant configuration settings for the integration interface.
  
  
  Optimize Processes: Review the processes that are creating IIPs. Optimize them to ensure they are not creating unnecessary IIPs or are being terminated properly after completion.
  
  
  System Resources: Check the system resources (CPU, memory, etc.) to ensure that the system is not under heavy load. If necessary, consider scaling up the resources or optimizing the workload.
  
  
  Review Logs: Check the system logs (using transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to IIP management for specific configuration settings and best practices.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM50, SM66, SLG1, and others that can help in monitoring and managing processes.
  SAP Notes: Look for SAP Notes related to VIRT309 or IIP management for any patches or updates that may address known issues.
  Performance Tuning: Consider performance tuning of the SAP system to handle higher loads more efficiently.
  
  By following these steps, you should be able to diagnose and resolve the VIRT309 error effectively.