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Overlay Optimizer

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Overlay Optimizer Overlay Optimizer is a software component that works with Microsoft Unified Write Filter (UWF). Overlay Optimizer provides write protection and extends the uptime of devices. Overlay optimizer works on the Windows 10 IoT Enterprise operating system. The UWF protects the disk by storing the changes in the RAM overlay. When an application tries to write data to the disk, the write filter redirects the write operations to the RAM overlay. The overlay size is preconfigured and cannot increase dynamically. When the overlay runs out of space over a period, the device restarts. The Overlay Optimizer monitors the UWFs' overlay space and the content. Overlay Optimizer identifies higher overlay space consumption in write filter and moves the unused content to the Overlay Optimizer's disk overlay. Clearing the UWF overlay extends the device uptime. For more information, see Overlay Optimizer Release notes at https://downloads.dell.com/wyse/. 16 Accessible applications

Section	Page
Windows 10 IoT Enterprise for Dell Wyse Thin Clients Administrator’s Guide	3
Introduction	6
Technical support	6
About this guide	6
Supported thin clients	6
Getting started	7
Automatic and manual login	7
Before configuring your thin clients	8
Using your desktop	8
Using the Start Menu	8
Using the search box	8
Grouping Applications into Desktops	8
Using Action Center	9
Connecting to a printer or an external device	9
Connecting to a monitor	9
Power state	10
Accessible applications	11
Browsing the internet with Internet Explorer	11
Using the Dell Thin Client Application	11
Configuring Citrix receiver session services	12
Configuring remote desktop connection session services	13
Using VMware Horizon Client to connect to virtual desktop	13
Using Ericom Connect and WebConnect client	14
Using Ericom PowerTerm Terminal Emulation	15
Windows Media Player	15
Wyse Easy Setup	15
Overlay Optimizer	16
Administrative features	17
Using Administrative tools	17
Configuring component services	18
Viewing the events	18
Managing the services	18
Using TPM and BitLocker	18
Encrypt the flash memory using TPM and BitLocker	18
Configuring Bluetooth connections	19
Configuring wireless local area network settings	19
Using custom fields	19
Configuring RAM disk size	20
Enabling auto logon	20
System shortcuts	21
Viewing and configuring SCCM components	21
System Center Configuration Manager Client LTSB 2016	21
Devices and printers	22
Adding printers	22
Adding devices	22
Configuring multi-monitor display	23
Managing audio and audio devices	23
Using sound dialog box	23
Setting region	23
Managing user accounts	24
Using Windows Defender	24
Windows Defender Advanced Threat Protection	24
Threat Defense	24
Endpoint Security Suite Enterprise	24
C-A-D tool	25
Wyse Device Agent	25
Citrix HDX RealTime Media Engine	25
Viewing and exporting operating system image manifest files	25
Dell Docking Station WD19	26
Additional administrator utility and settings information	27
Automatically launched utilities	27
Utilities affected by log off, restart, and shut down	27
Unified Write Filter	28
Using Unified Write Filter	29
Running Unified Write Filter command–line options	29
Enabling and disabling the Write Filter using the desktop icons	30
Setting Write Filter controls	31
Application Launch Manager	32
ALM CLI tool	32
Configuration of nodes using ALM	32
xData Cleanup Manager	33
xDCM CLI tool	33
Configuration of nodes using xDCM	33
Capturing logfiles	34
Configuration of DebugLog XML file	34
Saving files and using local drives	35
Mapping network drives	36
Participating in domains	36
Using the Net and Tracert utilities	37
Managing Users and Groups with User Accounts	37
Creating user accounts	37
Editing user accounts	37
Configuring user profiles	38
Changing the computer name of a thin client	38
System administration	39
Accessing thin client BIOS settings	39
Unified Extensible Firmware Interface and secure boot	39
Booting from DOS USB key	39
Booting from UEFI USB key	40
Creating bootable UEFI USB key	40
Using Dell Wyse Management Suite	41
Ports and slots	41
TightVNC—server and viewer	41
TightVNC—Pre-requisites	42
Using TightVNC to shadow a thin client	42
Configuring TightVNC server properties on the thin client	42
Network architecture and server environment	44
Understanding how to configure your network services	44
Using Dynamic Host Configuration Protocol	44
DHCP options	44
Using Domain Name System	46
About Citrix Studio	46
About VMware Horizon View Manager	46
Installing firmware using USB Imaging Tool	48
Frequently asked questions	49
How to install Skype for Business	49
How to set up a smart card reader	49
How to use USB Redirection	49
How to capture and push Windows 10 IoT Enterprise operating system image	49
Troubleshooting	51
Keyboard customization issues	51
Resolving memory issues	51