-disable

Disables the overlay on the specified protected volume.

-enable

Enables the Enhanced Write Filter so that data written to the protected media is cached in the overlays. The current overlay level becomes 1 as soon as EWF is started, and a new overlay is created at level 1.

-commitanddisable

Combination of the commit and disable commands. This command commits data in the overlay upon shutdown and disables EWF after the system reboots.

Enhanced Write Filter user interface

In addition to the DOS command-line tool, the Windows XP

Embedded image now includes an Enhanced Write Filter (EWF)

GUI. You can access the EWF GUI through the Control Panel or the

Administrative Tools option for the administrator.

To access the EWF GUI:

1.Log in as an administrator

2.Select Start > Control Panel > Other Control Panel Options or Start > Control Panel > Performance and Maintenance >

Administrative Tools.

3.Click the EWF Manager icon.

4.Use the EWF GUI to Select Write Filter options.

The EWF GUI includes the following buttons:

Enable EWF

This button is the same as executing ewfmgr.exe c: -Enablefrom the DOS prompt.

Disable EWF

This button is the same as executing ewfmgr.exe c: -Disablefrom the DOS prompt.

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Quick Reference Guide

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HP t5700 manual Commitanddisable, Enhanced Write Filter user interface, Enable EWF, Disable EWF