Citrix – Change Session Scale, Font Size and Font Smoothing in a Citrix published desktop or Microsoft Remote Desktop with PowerShell

Summary

You publish desktops and VDI’s using Citrix XenDesktop or Microsoft Remote Desktop Services (RDS) on Windows Server 2016, 2019 or 2022 and restricting users from changing display settings via Group Policy (GPO).

But your users want to adjust session scaling, font size, or enable font smoothing?

This article introduces a PowerShell-based method that restores flexibility, allowing users to modify these display settings within their remote sessions—without compromising administrative control.

Description

The PowerShell script can be launched from any desired location on your RDS server and generates a user-friendly GUI that allows users to modify three advanced display settings.

PowerShell Script Features

    • Change two advanced display settings:
    • Session scale and layout (100%, 125%, or 150%)
    • DPI scaling and font size (combined for ease of use)
    • Enable or disable font smoothing
    • Display the current Citrix session resolution
    • Show the currently configured advanced display settings
    • User-friendly graphical interface (GUI)

Simple and intuitive GUI

The graphical interface is clean, straightforward, and easy for users to navigate—no technical knowledge required.

Start the PowerShell script using a desktop shortcut, Start Menu shortcut, or as a published application.
Adjust the desired advanced display settings and click Apply to save the changes. Click Cancel to close the PowerShell GUI without making any changes.
To apply the settings successfully, the session must be signed out. Clicking OK will sign out the active user session.

The PowerShell Script

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########################################################################
# Title:         Session Scaling RDS Server 2016 and 2019
# Description:   Set session size and font smoothing
# Filename:      SessionScaling.ps1
# Date Created:  20.02.2021
# Date Modified: 24.02.2021
# Version:       1.2/roe
# Developer:     Beat Röthlisberger
########################################################################
#----------------------------------------------
# Collect and define data for form
#----------------------------------------------
function OnApplicationLoad {
return $true
}
function OnApplicationExit {
$script:ExitCode = 0
}
#----------------------------------------------
# Start function Generat form
#----------------------------------------------
function GenerateForm {
#Import form assemblies
[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null

#Define variables
$UserName = $env:USERNAME

#Define form images from Base64
$base64ImageString = "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"
$imageBytes = [Convert]::FromBase64String($base64ImageString)
$SessionSizeIMG = New-Object IO.MemoryStream($imageBytes, 0, $imageBytes.Length)
$SessionSizeIMG.Write($imageBytes, 0, $imageBytes.Length);

$base64ImageString = "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"
$imageBytes = [Convert]::FromBase64String($base64ImageString)
$FontSmoothingIMG = New-Object IO.MemoryStream($imageBytes, 0, $imageBytes.Length)
$FontSmoothingIMG.Write($imageBytes, 0, $imageBytes.Length);

#Define form icon from Base64
$base64IconString = "AAABAAEAEBAAAAEAIABoBAAAFgAAACgAAAAQAAAAIAAAAAEAIAAAAAAAQAQAAAAAAAAAAAAAAAAAAAAAAABHz6uMTdKt35Liyt9T07DfSNGr31rVst+a483fq+jU33vcwd9a1bPfatm534Pew9963MDfft3C33LavN9i17XDSNGqxVrVs/+N4cj/StGs/0nRrP9g17X/ft7C/4rgx/+P4sn/kOLJ/2nZuf9s2rr/nuXP/5rkzv993cH/adm530jRqtpn2Lj/pObS/1rVsv9a1bP/cdu8/3ncwP933L//d9y//4Dew/+j5tH/renW/83w4//K7+L/jOHI/3ncwN9I0avfbtq7/8rv4v+j5tH/lePL/5zlzv+h5tH/luPM/4LfxP90277/fd3C/8Tu3//W8uf/0vHl/5bjzP9h1rXfR9Cq3WrZuf+67Nv/XNa0/0zSrP9b1bP/a9m6/2rZuf9f1rX/cNq8/5Tjy/+m59P/pObS/6/p1/993cH/lePL30fRqs5f1rT/surY/1fUsf9I0av/SNGr/0/Trv9u2rv/kuLL/4/iyf9j17b/jeHI/13WtP+V48z/X9a1/2zZut9I0KuqUdOv/6fn0/9e1rX/SNGr/0rSrP9w2rz/nuXP/3Tbvf9X1bH/adm5/4TfxP9Q06//iODG/3HbvP9V1LHfR9Gra0jRq/yJ4Mb/bNm6/0/Trv993cL/i+HH/17WtP9J0az/bNm6/4PfxP923L7/VdSw/3vdwf+Q4sn/SdGr30bSrChI0arfYNe1/5jkzf+c5c//gN7D/1fVsf9e1rT/T9Ku/3fcv/+X48z/W9az/1fUsf923L7/qOfT/1HTrt8/v78ESNCriUnQq/2M4cj/u+zc/1bUsf9N0q3/TNKt/03Srf9z273/i+HH/1vVs/9U1LD/a9m6/7Dp1/9k2LbfAAAAAEvSrCJI0KvNUtOv/5Liyv9c1rT/TdKt/2HXtf9T1LD/h+DG/2vZuv9p2bn/TNKt/1bUsf+q6NX/gd7D3wAAAAAA//8BSM6oSkjRq+VW1LH/dty//1fUsf9N0q3/YNe1/33dwv9V1LD/WNWy/0jRq/9J0av/lOPL/6Xm0t8AAAAAAAAAAD+/fwRG0axaSNGr5VHTr/9r2br/ddu+/6Xn0v923L//S9Ks/0rRrP9L0qz/XNaz/4zhyP/J7uHfAAAAAAAAAAAAAAAAP79/BEnRq0lI0KrNSdGs/F/Wtf+M4cj/nuXQ/5Tjy/+V48z/neXP/7Xq2f+16tn/oeXR3wAAAAAAAAAAAAAAAAAAAAAA//8BRdCpIUjRq4ZH0KrdSdGr+0/Trv9b1rP/Zdi3/2fYuP9g1rX/VNSw/0rRrN8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/v78ES86sJUnRq2VH0ayjR9Cqx0fRq9VI0avWR9GqzkjQqbRH0al1AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAAACAAAAAwAAAAOAAAADwAAAA/AAAAA=="
$iconimageBytes = [Convert]::FromBase64String($base64IconString)
$FormIcon = New-Object IO.MemoryStream($iconimageBytes, 0, $iconimageBytes.Length)
$FormIcon.Write($iconimageBytes, 0, $iconimageBytes.Length);

#Define Citrix session ID
$keySessionnr = "HKCU:\SOFTWARE\Citrix\SessionSfr"
$CitrixSessionID = (Get-ChildItem -Path $keySessionnr -Name -ErrorAction SilentlyContinue)

#Define Citrix session display resolution
$keyResolution = "HKLM:\SOFTWARE\Citrix\Ica\Session\$CitrixSessionID\Connection"
$CitrixDispHRes = (Get-ItemProperty -Path $keyResolution -Name "HRes" -ErrorAction SilentlyContinue | Select -exp HRes)
$CitrixDispVRes = (Get-ItemProperty -Path $keyResolution -Name "VRes" -ErrorAction SilentlyContinue | Select -exp VRes)

#Read Font Scaling Size from registry
$keyHKCUDesktop = "HKCU:\Control Panel\Desktop"
$LogPixels = (Get-ItemProperty -Path $keyHKCUDesktop -Name "LogPixels" -ErrorAction SilentlyContinue | Select -exp LogPixels)
$LogPixels = $LogPixels * 1.041666666666667
$LogPixels = [int]::Parse("0" + $LogPixels)

#Read DPI Scaling from registry
$keyHKCUDesktop = "HKCU:\Control Panel\Desktop"
$DPIScaling = (Get-ItemProperty -Path $keyHKCUDesktop -Name "AppliedDPI" -ErrorAction SilentlyContinue | Select -exp AppliedDPI)
$DPIScaling = $DPIScaling * 1.041666666666667
$DPIScaling = [int]::Parse("0" + $DPIScaling)

#Read Font Smoothing configuration from registry
$keyHKCUDesktop = "HKCU:\Control Panel\Desktop"
$FontSmoothing = (Get-ItemProperty -Path $keyHKCUDesktop -Name "FontSmoothing" -ErrorAction SilentlyContinue | Select -exp FontSmoothing)
IF ($FontSmoothing -eq "2") {
$FontSmoothing = "ON"}
Else {
$FontSmoothing = "OFF"
}

#Read Session ID from system
$SessionId = ((quser | Where-Object { $_ -match $UserName }) -split ' +')[2]

#Generated form objects
$form1 = New-Object System.Windows.Forms.Form
$icon = [System.Drawing.Image]::FromStream($FormIcon, $true)
$font = New-Object System.Drawing.Font("Microsoft Sans Serif",10,[System.Drawing.FontStyle]::Regular)
$fonthead = New-Object System.Drawing.Font("Microsoft Sans Serif",10,[System.Drawing.FontStyle]::Bold)
$fontvalue = New-Object System.Drawing.Font("Microsoft Sans Serif",10,[System.Drawing.FontStyle]::Bold)
$labelhead1 = New-Object System.Windows.Forms.Label
$labelhead2 = New-Object System.Windows.Forms.Label
$labelctxres = New-Object System.Windows.Forms.Label
#$labeldpiscaling = New-Object System.Windows.Forms.Label
$labelfonsize = New-Object System.Windows.Forms.Label
$labelfonsmooth = New-Object System.Windows.Forms.Label
#$valuedpiscaling = New-Object System.Windows.Forms.Label
$valuefonsize = New-Object System.Windows.Forms.Label
$valuefonsmooth = New-Object System.Windows.Forms.Label
#$imgdpiscaling = [System.Drawing.Image]::FromStream($DPIScalingIMG, $true)
$imgfontsize = [System.Drawing.Image]::FromStream($SessionSizeIMG, $true)
$imgfontsmoothing = [System.Drawing.Image]::FromStream($FontSmoothingIMG, $true)
#$radiogroupboxdpi = New-Object System.Windows.Forms.GroupBox
$radiogroupboxfont = New-Object System.Windows.Forms.GroupBox
$radiobuttonfont = New-Object System.Windows.Forms.RadioButton
$radiogroupboxfonts = New-Object System.Windows.Forms.GroupBox
$radiobuttonfonts = New-Object System.Windows.Forms.RadioButton
$buttonApply = New-Object System.Windows.Forms.Button
$buttonLogOff = New-Object System.Windows.Forms.Button
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState
$FontFoot = New-Object System.Drawing.Font("Microsoft Sans Serif",7,[System.Drawing.FontStyle]::Regular)
$labelFoot = New-Object System.Windows.Forms.Label

#----------------------------------------------
# Call functions from apply button
#----------------------------------------------
$ScriptApplySessionScale = {
Add-Type @"
using System;
using System.Runtime.InteropServices;
using Microsoft.Win32;
public class Setter {
[System.Runtime.InteropServices.DllImport("
SHCore.dll")]
internal static extern bool SetProcessDPIAware();
}
"
@
}

#----------------------------------------------
# Call functions from radio buttons
#----------------------------------------------
function font150 {
Set-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name LogPixels -Value 144
#$form1.Dispose()
#GenerateForm
}

function font125 {
Set-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name LogPixels -Value 120
#$form1.Dispose()
#GenerateForm
}

function font100 {
Set-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name LogPixels -Value 96
#$form1.Dispose()
#GenerateForm
}

function fontsOFF {
Set-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name FontSmoothing -Value 0
#$form1.Dispose()
#GenerateForm
}

function fontsON {
Set-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name FontSmoothing -Value 2
#$form1.Dispose()
#GenerateForm
}

function buttonApply {
Add-Type -AssemblyName PresentationCore,PresentationFramework
$oReturn=[System.Windows.Forms.MessageBox]::Show("You must sign out of your Citrix session to apply these changes. `nSave any open files and close all programs before you sign out. `n`nTo sign out click on OK","Sign out to apply settings",[System.Windows.Forms.MessageBoxButtons]::OKCancel)
switch ($oReturn){
"OK" {
#write-host "You pressed OK"
logoff $SessionId
}
"Cancel" {
#write-host "You pressed Cancel"
$form1.Dispose()
GenerateForm
}
}
}

function buttonCancel {
$form1.Close()
}

#----------------------------------------------
# Call form functions from button handler
#----------------------------------------------
#Call funtion font150
$handler_radiobuttonfont150_click= ${function:font150}

#Call funtion font125
$handler_radiobuttonfont125_click= ${function:font125}

#Call funtion font100
$handler_radiobuttonfont100_click= ${function:font100}

#Call funtion fontsOFF
$handler_radiobuttonfontsOFF_click= ${function:fontsOFF}

#Call funtion fontsON
$handler_radiobuttonfontsON_click= ${function:fontsON}

#Call funtion button Apply
$handler_buttonApply_Click= ${function:buttonApply}

#Call funtion button Cancel
$handler_buttonCancel_Click= ${function:buttonCancel}

#----------------------------------------------
# Form code to ganerate gui
#----------------------------------------------
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 373
$System_Drawing_Size.Width = 540
$form1.Icon = [System.Drawing.Icon]::FromHandle((new-object System.Drawing.Bitmap -argument $FormIcon).GetHIcon())
$form1.Font = $font
$form1.ClientSize = $System_Drawing_Size
$form1.DataBindings.DefaultDataSourceUpdateMode = 0
$form1.Name = "form1"
$form1.Text = "Session Scaling"
$form1.FormBorderStyle = "Fixed3D"

#Form lable
$labelHead1.Text = "Session scale and layout"
$labelHead1.Font = $fonthead
$labelHead1.Location = "15,15"
$labelHead1.Height = 20
$labelHead1.Width = 250

#Form lable
$labelfonsize.Text = "Change the size of text and apps:"
$labelfonsize.Location = "15,55"
$labelfonsize.Height = 40
$labelfonsize.Width = 180
$valuefonsize.Text = " $LogPixels%"
$valuefonsize.Font = $fontvalue
$valuefonsize.ForeColor = 'Green'
$valuefonsize.Location = "208,75"
$valuefonsize.Height = 20
$valuefonsize.Width = 60

#Radio button box font size
$radiogroupboxfont.Location = '15,95'
$radiogroupboxfont.size = '250,120'
$radiogroupboxfont.text = "Choose size:"
$radiobuttonfont = New-Object System.Windows.Forms.RadioButton
$radiogroupboxfont.Controls.Add($radiobuttonfont)
$radiobuttonfont.Location = '55,20'
$radiobuttonfont.size = '80,20'
IF ($LogPixels -eq "150") {
$radiobuttonfont.Checked = $true}
Else {
$radiobuttonfont.Checked = $false
}
$radiobuttonfont.Text = "150%"
$radiobuttonfont.add_Click($handler_radiobuttonfont150_click)
$radiobuttonfont = New-Object System.Windows.Forms.RadioButton
$radiogroupboxfont.Controls.Add($radiobuttonfont)
$radiobuttonfont.Location = '55,55'
$radiobuttonfont.size = '80,20'
IF ($LogPixels -eq "125") {
$radiobuttonfont.Checked = $true}
Else {
$radiobuttonfont.Checked = $false
}
$radiobuttonfont.Text = "125%"
$radiobuttonfont.add_Click($handler_radiobuttonfont125_click)
$radiobuttonfont = New-Object System.Windows.Forms.RadioButton
$radiogroupboxfont.Controls.Add($radiobuttonfont)
$radiobuttonfont.Location = '55,90'
$radiobuttonfont.size = '80,20'
IF ($LogPixels -eq "100") {
$radiobuttonfont.Checked = $true}
Else {
$radiobuttonfont.Checked = $false
}
$radiobuttonfont.Text = "100%"
$radiobuttonfont.add_Click($handler_radiobuttonfont100_click)
#Image font size
$imgfontsizebox = new-object Windows.Forms.PictureBox
$radiogroupboxfont.Controls.Add($imgfontsizebox)
$imgfontsizebox.Location = "140,18"
$imgfontsizebox.Height = $imgfontsize.Size.Height
$imgfontsizebox.Width = $imgfontsize.Size.Width
$imgfontsizebox.Image = $imgfontsize

#Form lable
$labelHead2.Text = "Font smoothing"
$labelHead2.Font = $FontHead
$labelHead2.Location = "275,15"
$labelHead2.Height = 20
$labelHead2.Width = 486
$labelfonsmooth.Text = "Font smoothing is turned:"
$labelfonsmooth.Location = "275,75"
$labelfonsmooth.Height = 20
$labelfonsmooth.Width = 180
$valuefonsmooth.Text = "$FontSmoothing"
$valuefonsmooth.Font = $fontvalue
$valuefonsmooth.ForeColor = 'Green'
$valuefonsmooth.Location = "433,75"
$valuefonsmooth.Height = 20
$valuefonsmooth.Width = 60

#Radio button font smoothing
$radiogroupboxfonts.Location = '275,95'
$radiogroupboxfonts.size = '250,120'
$radiogroupboxfonts.text = "Turn font smoothing ON or OFF:"
$radiobuttonfonts = New-Object System.Windows.Forms.RadioButton
$radiogroupboxfonts.Controls.Add($radiobuttonfonts)
$radiobuttonfonts.Location = '25,50'
$radiobuttonfonts.size = '80,20'
IF ($FontSmoothing -eq "OFF") {
$radiobuttonfonts.Checked = $true}
Else {
$radiobuttonfonts.Checked = $false
}
$radiobuttonfonts.Text = "OFF"
$radiobuttonfonts.add_Click($handler_radiobuttonfontsOFF_click)
$radiobuttonfonts = New-Object System.Windows.Forms.RadioButton
$radiogroupboxfonts.Controls.Add($radiobuttonfonts)
$radiobuttonfonts.Location = '25,75'
$radiobuttonfonts.size = '80,20'
IF ($FontSmoothing -eq "ON") {
$radiobuttonfonts.Checked = $true}
Else {
$radiobuttonfonts.Checked = $false
}
$radiobuttonfonts.Text = "ON"
$radiobuttonfonts.add_Click($handler_radiobuttonfontsON_click)
#Image font smoothing
$imgfontsmoothingbox = new-object Windows.Forms.PictureBox
$radiogroupboxfonts.Controls.Add($imgfontsmoothingbox)
$imgfontsmoothingbox.Location = "120,45"
$imgfontsmoothingbox.Height = $imgfontsmoothing.Size.Height
$imgfontsmoothingbox.Width = $imgfontsmoothing.Size.Width
$imgfontsmoothingbox.Image = $imgfontsmoothing

#Session display resolution
$labelctxres.Text = "Citrix Session Resolution: $CitrixDispHRes/$CitrixDispVRes"
$labelctxres.Font = $FontFoot
$labelctxres.Location = "15,335"
$labelctxres.Height = 20
$labelctxres.Width = 250

#Apply button
$System_Drawing_Point1 = New-Object System.Drawing.Point
$System_Drawing_Point1.X = 15
$System_Drawing_Point1.Y = 285
$buttonApply.Location = $System_Drawing_Point1
$buttonApply.Name = "Apply"
$System_Drawing_Size1 = New-Object System.Drawing.Size
$System_Drawing_Size1.Height = 35
$System_Drawing_Size1.Width = 110
$buttonApply.Size = $System_Drawing_Size1
$buttonApply.TabIndex = 0
$buttonApply.Text = "Apply"
$buttonApply.UseVisualStyleBackColor = $True
$buttonApply.add_Click($handler_buttonApply_Click)

#Cancel button
$System_Drawing_Point1 = New-Object System.Drawing.Point
$System_Drawing_Point1.X = 130
$System_Drawing_Point1.Y = 285
$buttonLogOff.Location = $System_Drawing_Point1
$buttonLogOff.Name = "Cancel"
$System_Drawing_Size1 = New-Object System.Drawing.Size
$System_Drawing_Size1.Height = 35
$System_Drawing_Size1.Width = 110
$buttonLogOff.Size = $System_Drawing_Size1
$buttonLogOff.TabIndex = 0
$buttonLogOff.Text = "Cancel"
$buttonLogOff.UseVisualStyleBackColor = $True
$buttonLogOff.add_Click($handler_buttonCancel_Click)

#Form footer
$labelFoot.Font = $FontFoot
$labelFoot.Text = "fresh-it.info (c) | support@fresh-it.info | Ver. 1.2/roe"
$labelFoot.Location = "15, 355"
$labelFoot.Height = 40
$labelFoot.Width = 300

$form1.Controls.Add($labelHead1)
$form1.Controls.Add($labelHead2)
$form1.Controls.Add($labelctxres)
#$form1.Controls.Add($labeldpiscaling)
#$form1.Controls.Add($valuedpiscaling)
$form1.Controls.Add($labelfonsize)
$form1.Controls.Add($valuefonsize)
$form1.Controls.Add($valuefonsmooth)
$form1.Controls.Add($labelfonsmooth)
#$form1.Controls.Add($radiogroupboxdpi)
$form1.Controls.Add($radiogroupboxfont)
$form1.Controls.Add($radiogroupboxfonts)
$form1.Controls.Add($buttonLogOff)
$form1.Controls.Add($buttonApply)
$form1.Controls.Add($labelFoot)

#Save state of the form
$InitialFormWindowState = $form1.WindowState

#Correct OnLoad event to correct form state
$form1.add_Load($form1_StateCorrection_Load)

#Display defined form
return $form1.ShowDialog()
}

#Call function GenerateForm
if(OnApplicationLoad -eq $true)
{
GenerateForm | Out-Null
OnApplicationExit
}
########################################################################