Reference Guide

Pagefile

A pagefile is a reserved portion of a hard disk that is used as an extension of random access memory (RAM) for data in RAM.

In Wyse Converter for PCs 2.0, a separate volume of size 2 GB is created for pagefile. The Unified Write Filter overlay is configured to disk

and Microsoft does not support pagefile on the write protected volume. The pagefile is created on a separate volume (drive) during a

fresh installation or an upgrade to Wyse Converter for PCs 2.0 and all the page file settings are preserved and are restored after

uninstallation of Wyse Converter for PCs 2.0. Pagefile supports both Dell Write Filter and Microsoft Unified Write Filter to improve the

performance of the system. Similarly, Dell Write Filter does not support the pagefile on disk overlay.

Separate volume for pagefile is created on the following basic criteria:

• The available disk size must be greater than 75 percent of total RAM disk size.

• Total RAM must be less than 8 GB.

• Shrinkable volume must be available.

If the basic criteria are not met, the pagefile drive is not created. Also, pagefile drive is not created in Windows 10 Pro as Microsoft Write

filter is not available in Windows 10 Pro.

Start layout customization

Start Layout Customization enables administrator to restrict user access to applications from the Windows Start menu.

For more information, see White papers.

Key features

Unified Write Filter—UWF for Windows 10 Enterprise

Unified Write Filter (UWF) is a sector-based write filter that protects your storage media on a Windows 10 Enterprise device. UWF

intercepts all write attempts to a protected volume and redirects those write attempts to a virtual overlay. UWF improves the reliability

and stability of your device, and improves system security since unauthorized changes to the system are rejected. In UWF, an overlay is a

virtual storage space that saves changes made to the underlying protected volumes. Any time the file system attempts to modify a

protected sector, UWF instead copies the sector from the protected volume to the overlay, and then modifies the overlay instead. If an

application attempts to read from that sector, UWF returns the data from the overlay instead, so that the system maintains the

appearance of having written to the volume, while the volume remains unchanged.

CAUTION:

Please follow proper write filter and Windows Page File usage instructions at all times. Such instructions include

making sure that the write filter is enabled during regular use and is disabled only temporarily by an administrator when required

for image upgrades, applying security patches, registry changes and application installation. The write filter should be re-

enabled as soon as such tasks are completed. Dell is not responsible for, and will not, warrant, support, repair or replace any

thin client device or component that fails to operate properly due to a failure to follow these instructions.

After you configure the Wyse Software thin client, to enable the UWF, double-click the Dell Wyse WF Enable icon on the desktop. This

icon enables the write filter and restarts the system. The configurations on the Wyse Software thin client are saved.

The UWF starts automatically when the system starts. You can add specific files or folders on a protected volume to a file exclusion list to

exclude those files and folders from being filtered by UWF using the Dell Wyse Unified Write Control tool.

To access the Dell Wyse Unified Write Control tool, click the Unified Write Filter icon in the system tray. When a file or folder is in the

exclusion list for a volume, all writes to that file or folder avoids UWF filtering, and are written directly to the protected volume and

continue after the device restarts.

NOTE:

Log in as an administrator to add or remove the file or the folder exclusions during run time, and restart the device for

the new changes to take effect.

NetXClean

NetXClean is a cleanup utility that keeps extraneous information from being stored on the local disk. When multiple users have the logon

rights to a system, the locally stored profile uses the disk space. NetXClean can be used to automatically clean up the directories used for

temporary caching of information. Cleanup is triggered on either service startup or user logoff. It does the cleanup in the background and

is configured.

Wyse Converter for PCs 2.0 Release Notes