Paging File adjustments

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A page file (also known as a "paging file") is an optional, hidden system file on a hard disk. The page file can be used to "back" (or support) system crash dumps and extend how much system-committed memory (also known as “virtual memory”) a system can back. It also enables the system to remove infrequently accessed modified pages from physical memory to let the system use physical memory more efficiently for more frequently accessed pages.

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Making adjustments

  • On the Keyboard Press the WindowsKey + X then click System in the popup menu
  • Tap or click Advanced system settings. Administrator permission required You might be asked for an admin password or to confirm your choice.
  • On the Advanced tab, under Performance, tap or click Settings.
  • Tap or click the Advanced tab, and then, under Virtual memory, tap or click Change.
  • Clear the Automatically manage paging file size for all drives check box.
  • Under Drive [Volume Label], tap or click the drive that contains the paging file you want to change.
  • Tap or click Custom size, enter a new size in megabytes in the Initial size (MB) or Maximum size (MB) box, tap or click Set, and then tap or click OK.

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What to set this to

At a minimum, this should be set at 1 X RAM plus 257 MB to support saving of crash dumps. The normal maximum is 3 x RAM or 4 GB, whichever is greater. However, some Server applications need different specs:

  • Exchange 2013:
    • Minimum: RAM+267MB
    • Maximum: 32778MB (32GB)

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References

How to determine the appropriate page file size for 64-bit versions of Windows https://support.microsoft.com/en-us/help/2860880/how-to-determine-the-appropriate-page-file-size-for-64-bit-versions-of

Page File – The definitive guide https://blogs.technet.microsoft.com/motiba/2015/10/15/page-file-the-definitive-guide/

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