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Customize user agent string

Policy ID
Customized_UserAgent_String
Scope
Computer Configuration, User Configuration
Supported on
At least Internet Explorer 7.0
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Internet Explorer

Description

This policy setting allows you to customize the Internet Explorer version string as reported to web servers in the HTTP User Agent header.

If you enable this policy setting, Internet Explorer sends the specified custom string in the version portion of the User Agent header.

If you disable or do not configure this policy setting, Internet Explorer sends the current Internet Explorer version in the User Agent header (for example, "MSIE 7.0").

Options

  • Enter IE Version String

Registry

ComputerHKEY_LOCAL_MACHINE
HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\User AgentView registry values
  • VersionREG_SZ
UserHKEY_CURRENT_USER
HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\User AgentView registry values
  • VersionREG_SZ

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