Enabling or disabling pagefile can be done very easily in Windows Vista. You should understand that changing the size of the pagefile may change your system performance.
- Goto ‘Start–>Control Panel’
- Make sure ‘Classic view’ is selected.
- Double Click on ‘System’ to open system properties
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Click on ‘Advanced System Settings’ in the left pane. - Windows Vista will prompt for confirmation.
- Click on ‘Continue’.
- Click on ‘Advanced’ tab


- Open on ‘Settings…’ button to open Performance Options window
- Click on ‘Advanced’ tab in ‘Performance Options’ window.
- Click ‘Change’ to open ‘Virtual Memory’ window.

Disable ‘Pagefile’ (Virtual Memory)
- Uncheck ‘Automatically manage page file size for all drives’
- Select ‘No paging file’.
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Click ‘Set’ and Windows Vista may prompt for your confirmation. - Click ‘Yes’ to confirm.
- Click ‘OK’ on ‘Virtual Memory’ window.
- Click ‘OK’ on ‘Performance’ window.
- Click ‘OK’ on ‘System Properties’ window to close it.
Enable ‘Pagefile’ (Virtual Memory) – Automatically
If you want Windows Vista to automatically manage paging file
- Check ‘Automatically manage page file size for all drives’
- Click ‘OK’ on ‘Virtual Memory’ window
- Click ‘OK’ on ‘Performance’ window
- Click ‘OK’ on ‘System Properties’ window to close it.
Enable ‘Pagefile’ (Virtual Memory) – Custom Manged
- Make sure ‘Automatically manage page file size for all drives’ is unchecked.
- Click on your desired drive and select ‘Custom’ radio button.
- Enter values for ‘Initial Size’ and ‘Maximum Size’.
- It is recommended that Maximum Size must be 3 times Installed RAM.
- It is recommended that Maximum Size and Initial Size should be same.
- Click ‘Set’ and Windows Vista may prompt for your confirmation.
- Click ‘OK’ on ‘Virtual Memory’ window
- Click ‘OK’ on ‘Performance’ window
- Click ‘OK’ on ‘System Properties’ window to close it.
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