How To Fix VIRT308 - Number of AAP

VIRT308 - Overview

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 308

• Message text: Number of AAP

What causes this issue?

Application Assist Processor (AAP)
This is a processor with a number of functions disabled (interrupt
handling, some instructions) such that no full operating system can be
executed on the processor. However, z/OS can detect the presence of AAP
processors and will use them to execute Java code (and possibly other
similar code in the future).

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

System Response

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 VIRT308 - Number of AAP ?

  The SAP error message VIRT308 typically relates to issues with the number of Active Application Processes (AAP) in the SAP system. This error can occur when the number of active application processes exceeds the configured limit, which can lead to performance issues or the inability to process additional requests.
  
  Cause:
  
  Exceeding Maximum AAP Limit: The system has a predefined limit for the number of active application processes. If the number of concurrent users or processes exceeds this limit, the error will be triggered.
  
  Configuration Issues: The configuration settings for the instance may not be optimized for the current workload, leading to insufficient resources.
  Long-Running Transactions: If there are transactions that take a long time to complete, they can occupy application processes and prevent new requests from being processed.
  Resource Bottlenecks: Insufficient hardware resources (CPU, memory) can lead to slow processing times, causing processes to remain active longer than expected.
  
  
  Solution:
  
  Increase the Number of AAP: If the