How To Fix VIRT204 - Pool CPUs Idle

VIRT204 - Overview

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 204

• Message text: Pool CPUs Idle

What causes this issue?

Denotes the current number of physical CPU's which are idle in the
shared processor pool to which this LPAR is assigned. This metric is
specific to Shared Processor LPARs.

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 VIRT204 - Pool CPUs Idle ?

  The SAP error message VIRT204 Pool CPUs Idle typically indicates that the virtual CPUs (vCPUs) allocated to a particular SAP instance are not being utilized effectively. This can happen in environments where the workload is not sufficient to keep the allocated resources busy, leading to idle CPU time.
  Causes:
  
  Insufficient Workload: The most common cause is that the workload on the SAP system is lower than expected, leading to underutilization of the allocated CPU resources.
  
  Configuration Issues: Incorrect configuration of the SAP instance or the underlying infrastructure can lead to inefficient CPU usage.
  Resource Allocation: The number of vCPUs allocated to the instance may be higher than necessary for the current workload.
  Performance Bottlenecks: Other system bottlenecks (like I/O or memory) may prevent the CPUs from being fully utilized.
  Background Jobs: If there are not enough background jobs or processes running, the CPUs may remain idle.
  
  Solutions:
  
  Analyze Workload: Monitor the workload on the SAP system to determine