Administrator Guide

• Enable DWF—Allows you to enable the le based Write Filter and prompts you to restart the Wyse Software thin client device. To save
the changes, restart the Wyse Software thin client. After the system restarts to enable the File Based Write Filter, the File Based Write
Filter status icon in the desktop notication area turns green.
• Disable DWF—Allows you to disable the File Based Write Filter and prompts you to restart the Wyse Software thin client. To save the
changes, restart the Wyse Software thin client. After disabling the File Based Write Filter, the File Based Write Filter status icon in the
desktop notication area turns red and the File Based Write Filter remains disabled after the system restarts.
• Defaults—Allows you to reset the DWF Cache Settings area, and the DWF Warning Settings area to their default values.
• Current Session Exclusion List
– File/Directory Path—Allows you to add and remove a le or directory, to or from the exclusion list for the next session. This
retrieves the list of les or directories that are written through in the current session and the title of the pane is shown as Current
Session Exclusion List. The Next Session retrieves the list of les or directories that are written through for the next session and the
title of the pane is shown as Next Session Exclusion List. The system will not restart the Wyse Software thin client, and the
changes are not committed until an administrator restarts the Wyse Software thin client device manually.
NOTE: Dell Write Filter does not support registry ltering.
Dell Write Filter command line utility
The Dell Write Filter manager (dwfmgr.exe) command line utility can be used for query and set the Write Filter conguration and
parameters. The following commands are supported:
Table 4. Dell Write Filter Commands
Dell Write Filter Commands Task
Dwfmgr.exe /displaycong Displays conguration
Dwfmgr.exe /get-current-session-status Provides information on current Write Filter status.
Dwfmgr.exe /get-next-session-status Provides information on next session Write Filter status.
Dwfmgr.exe /enable Enables Write Filter.
Dwfmgr.exe /disable Disables Write Filter.
Dwfmgr.exe /addexclusion [ le_path **] Adds le exclusion
Dwfmgr.exe /removeexclusion [ le_path **] Removes le exclusion
Dwfmgr.exe /get - current -session-exclusions Provides information on current session Write Filter exclusions.
Dwfmgr.exe /get-next-session-exclusions Provides information on next session Write Filter exclusions.
Dwfmgr.exe /get-overlay-folder Provides information about Write Filter disk overlay folder.
Dwfmgr.exe /get-overlay-cong-size Provides information about Write Filter overlay maximum conguration size.
You can enable or disable the Dell Write Filter using the following batch scripts through Wyse Management Suite:
Table 5. Batch Scripts for Dell Write Filter
Task Batch scripts
Enable Dell Write Filter
@echo o
cd C:\Program Files\Wyse\DWF
start dwfmgr.exe /enable
Getting started 19