How To Fix VIRT238 - In Use 16MB Pages

VIRT238 - Overview

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 238

• Message text: In Use 16MB Pages

What causes this issue?

The number of 16MB pages in real memory which are in use.

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 VIRT238 - In Use 16MB Pages ?

  The SAP error message VIRT238 "In Use 16MB Pages" typically indicates that the SAP system is encountering issues related to memory management, specifically with the use of large pages (16MB pages) in the virtual memory space. This can occur in environments where large pages are configured but not properly utilized or when there are limitations in the system's memory allocation.
  
  Cause:
  
  Memory Configuration: The SAP system is configured to use large pages, but the memory allocation is not sufficient or is misconfigured.
  Operating System Limitations: The operating system may have restrictions or limitations on the use of large pages, which can lead to this error.
  Insufficient Memory: The system may not have enough physical memory available to allocate the required large pages.
  Improper Setup: The setup for large pages in the SAP kernel or the operating system may not be correctly configured.
  
  
  Solution:
  
  
  Check Memory Configuration:
  
  Ensure that the SAP system is configured correctly to use large pages.