Windows 10 IoT Enterprise - Administrator Guide
HP Unied Write Filter Conguration
HP Unied Write Filter Conguration is a Control Panel app for managing UWF. To open this app:
▲ Double-click the notication icon.
– or –
In Control Panel, select HP Unied Write Filter Conguration.
The tasks you can perform in this app include the following:
● Disable or enable UWF (requires a system restart)
● View information about UWF and the overlay cache
● Enable or disable UWF Servicing Mode
NOTE: For more information about UWF Servicing Mode, go to https://msdn.microsoft.com/en-us/
library/windows/hardware/mt571993(v=vs.85).aspx.
● Edit the exclusion list to add or remove les and folders (requires a system restart)
● Set the overlay cache threshold (requires a system restart)
● Set the percentage of cache usage at which warning and critical messages each display
● Set the delay for an automatic system restart that occurs when a critical state is reached
Command-line tool
The following table describes common-line options for UWF.
UWF command Description
uwfmgr filter disable
Disables UWF (requires a system restart)
uwfmgr filter enable
Enables UWF (requires a system restart)
uwfmgr.exe file commit <file>
Commits the specied le immediately
uwfmgr.exe file add-exclusion <file>
Adds the specied le to the exclusion list
(requires a system restart)
uwfmgr overlay set-size <size>
Sets the overlay cache threshold in MB
(requires a system restart)
For more information and a full list of commands, go to https://msdn.microsoft.com/en-us/library/windows/hardware/
mt572002(v=vs.85).aspx.
18 Appendix A Unied Write Filter