HP Neoware e90 Neoware Thin Clients with Microsoft® Windows® - Page 41

The Enhanced Write Filter, Enhanced Write Filter Operations, Overview

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Windows XPe Thin Client User Manual CHAPTER 5 The Enhanced Write Filter This chapter describes how to use the Enhanced Write Filter security features to protect your Neoware XPe thin client. Enhanced Write Filter Operations Overview Microsoft's Enhanced Write Filter is a file system utility that can be set to take all disk write activity that would normally go to the C: drive (a Flash disk in Neoware thin clients) and redirect them to a RAM cache, instead. Disk reads come from the Flash disk and RAM cache. When an Enhanced Write Filter protected thin client restarts, the original contents of the disk reappear, unchanged. With Enhanced Write Filter engaged, the integrity of the original disk's contents is protected. Enhanced Write Filter is ideal for point-of-sale, kiosk, or any application that could be adversely effected by inadvertently installed software (such as Internet Explorer plug-ins or cookies), as well as making a protected thin client less susceptible to virus infection. Note that the Registry Filter enables Microsoft Licensing and Domain Machine password synchronization to be saved even when Enhanced Write Filter is enabled. 31

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Windows XPe Thin Client User Manual
CHAPTER 5
The Enhanced Write
Filter
This chapter describes how to use the Enhanced Write Filter secu-
rity features to protect your Neoware XPe thin client.
Enhanced Write Filter Operations
Overview
Microsoft's Enhanced Write Filter is a file system utility that can be
set to take all disk write activity that would normally go to the C:
drive (a Flash disk in Neoware thin clients) and redirect them to a
RAM cache, instead. Disk reads come from the Flash disk and
RAM cache.
When an Enhanced Write Filter protected thin client restarts, the
original contents of the disk reappear, unchanged. With Enhanced
Write Filter engaged, the integrity of the original disk's contents is
protected. Enhanced Write Filter is ideal for point-of-sale, kiosk, or
any application that could be adversely effected by inadvertently
installed software (such as Internet Explorer plug-ins or cookies),
as well as making a protected thin client less susceptible to virus
infection.
Note that the Registry Filter enables Microsoft Licensing and
Domain Machine password synchronization to be saved even when
Enhanced Write Filter is enabled.