Change directory and file name of Pagefile.sys via registry

To change the Pagefile.sys via the registry (directory and file name)

While the advanced system settings in Windows typically only allow you to resize the Pagefile.sys and enable or disable it, the registry offers more options.

This is a more advanced method that requires precise handling, but don't worry - we'll guide you safely through every step:

1. Open the Registry Editor: Type regedit into the Windows search bar and open the Registry Editor.
2. Navigate to the correct key: Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management.
3. Find the 'PagingFiles' value: Locate the 'PagingFiles' entry. This entry specifies the location and name of the Pagefile.sys file.
4. To make changes: Double-click "PagingFiles" and enter the new path and filename, for example, D:\subfolder\pagefile01.sys.
5. Save changes: Click "OK" and close the Registry Editor.
6. Restart the system: You'll need to restart your computer for the changes to take effect.

When can changing the Pagefile.sys with regedit be useful?

Editing the paging file through the Windows Registry instead of using the advanced system settings may be more appropriate in the following cases:

1. Specific Requirements for Storage Location and File Name: The Registry allows for a more detailed and specific configuration of the storage location and file name of Pagefile.sys. This can be useful if you want to place the Pagefile.sys in a specific directory, which isn't directly possible through the system settings.
2. Complex system configurations: In complex or custom system configurations, such as multi-boot systems or network environments, adjustments via the registry may be necessary to avoid conflicts with other operating systems or network policies.
3. Automation and Scripting: For IT professionals who need to make changes to multiple systems or automate configurations, the registry offers the ability to use scripts that directly access registry settings.

What must be observed when editing the registry?

• Proceed with caution: Changes to the registry can have significant effects on your system. Therefore, proceed carefully and make sure you understand exactly what you're doing.
• Backing Up the Registry: It is advisable to back up the registry before making any changes so that you can restore it if problems arise.
• System Monitoring: Closely monitor your system after the restart to ensure that everything is working smoothly.