Custom support URL in the Printers folder's left pane: registry value SupportLinkComputerHKLM\Software\Policies\Microsoft\Windows NT\Printers

Policy ID
CustomizedSupportUrl
Scope
Computer Configuration
Supported on
Windows Server 2003, Windows XP, and Windows 2000 only
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Printers

Registry

SupportLink

REG_SZComputer
Enabled value
Depends on the option value
Element
URL
Value type
REG_SZ
Maximum length
255
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\Printers]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"SupportLink"="<enter value>"
CMD
:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\Policies\Microsoft\Windows NT\Printers" /v "SupportLink" /t REG_SZ /d "<enter value>" /f
PowerShell
# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers' -Name 'SupportLink' -PropertyType String -Value '<enter value>' -Force | Out-Null