HP T5000 - Manual (Page 32)

28 www.hp.com Quick Reference Guide
-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: -Enable
from
the DOS prompt.
Disable EWF
This button is the same as executing
ewfmgr.exe c: -Disable
from
the DOS prompt.