While largely irrelevant for gaming or general office work, IoPageLockLimit retains theoretical relevance in or Workstation scenarios running on Windows 11 Pro/Enterprise.
Often 0 (meaning the system handles it automatically), which typically results in a 512 KB lock limit on older versions of Windows. iopagelocklimit windows 11
Reports indicate that starting with certain service packs of older OS versions, this value was removed and hard-coded to a static limit, such as 64 MB, making registry changes ineffective. While largely irrelevant for gaming or general office
Applications that perform a lot of disk reads and writes, such as video editing software or large database queries, may see performance improvements with an increased IoPageLockLimit. This is because more memory can be allocated for buffering disk I/O operations, reducing the need to use slower disk access methods. Applications that perform a lot of disk reads
This modification should only be considered by IT professionals managing Windows 11 Enterprise workstations running heavy I/O bound applications (like large local databases or virtualization hosts) who have identified specific I/O bottlenecks via Performance Monitor. In such specific cases, incremental adjustments—rather than maxing out the value—are the correct approach to avoid kernel memory starvation.