How To Fix VIRT237 - In Use 64KB Pages

VIRT237 - Overview

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 237

• Message text: In Use 64KB Pages

What causes this issue?

The number of 64KB 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 VIRT237 - In Use 64KB Pages ?

  The SAP error message VIRT237 "In Use 64KB Pages" typically indicates that the SAP system is attempting to use 64KB pages for memory management, but there is an issue with the configuration or the environment that is preventing it from doing so. This error is often related to the underlying operating system and its memory management settings.
  
  Cause:
  
  Memory Configuration: The SAP system is configured to use large pages (64KB pages), but the operating system may not be set up to support this configuration.
  Insufficient Permissions: The user running the SAP instance may not have the necessary permissions to allocate large pages.
  Operating System Limitations: The operating system may not support large pages, or the configuration may not be optimized for their use.
  Kernel Parameters: Certain kernel parameters may not be set correctly to allow the use of large pages.
  
  
  Solution:
  
  Check Operating System Support: Ensure that your operating system supports large pages. For example, on Linux,