Moxa DA-685-W7E [13/38] Configuring file based write filter

DA-685 / W7E Enabling Windows 7 Write Protections

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Configuring File-Based Write Filter

Follow these steps to enable the Enhanced Write Filter. Keep in mind that, while FBWF and EWF may both be

enabled on the same machine; FBWF can not protect a volume also protected by EWF. Similarly, EWF can not

protect a volume also protected by FBWF.

1. To open the FBWF overview window, open the system

tray (located in the lower right corner of the desktop) and

right-click on the padlock icon.

NOTE: When disabled, the icons for EWF and FBWF are

identical. After the dialog opens b sure to verify you have

opened the correct window.

2. When the overview window opens, you will

receive a quick report on the current FBWF

configuration. The diagram at right shows

what it will look like before it is enabled. To

continue with the setup, click on the

Configure button just before the report

window.

3. The FBWF configuration window is

considerably more complicated than the

EWF setup. To enable FBWF protection on

your main storage drive, you will need to

enable the filter by ticking Filter state

enabled (A) and Cache pre-allocation

enabled (B). Next, select the drive you

want to protect from the Volume

Configuration menu (C) and then click on

the Protect button. Finally, click on Apply

(E), or OK to set the FBWF configuration.

Cache compression may be used on the

overlay cache to minimize the amount of

memory used. Cache compression

decreases performance when accessing

protected volumes, and cannot be used

with pre-allocation.

Cache pre-allocation sets the memory space available for the overlay cache at the system’s start,

instead of adjusting it as needed. It cannot be used with cache compression.