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New-IISSiteBinding

Adds a new binding to an existing Website. This cmdlet has been introduced in version 1.1.0.0 of IISAdministration module.

Windows Server · Risk: High · Documentation Verified

Last verified: 2026-10-26

Microsoft IISAdministration reference: Adds a new binding to an existing Website. This cmdlet has been introduced in version 1.1.0.0 of IISAdministration module. The syntax and selected example below are adapted from the pinned Windows Server 2025 reference. Module availability, target configuration and delegated permissions determine whether it can run in your environment. Documentation and parameter text: Microsoft, CC BY 4.0; formatting adapted by Cmdlet World. No execution testing is claimed.

New-IISSiteBinding [-Name] <String> [-BindingInformation] <String> [[-Protocol] <String>]
 [[-CertificateThumbPrint] <String>] [[-SslFlag] <SslFlags>] [[-CertStoreLocation] <String>] [-Force]
 [-Passthru] [<CommonParameters>]

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Required permissions

Use an account with the target resource permissions documented for New-IISSiteBinding. Modifying administrative cmdlets may require elevation or delegated administration. This catalog does not assert that ordinary users can execute the command.

Supported environments

Windows / IISAdministration · Windows Server 2025 documentation; feature/module prerequisites apply

Parameters

-BindingInformation (required): Specifies the binding information string to use for the new site. The binding information of the form IP:Port:hostname such as 192.168.0.1:80:www.contoso.com and one or more of the fields can be left blank, which is equivalent to using a wildcard character such as \*:443:. In this representation \* indicates all IP addresses and all hostnames are indicated by leaving the corresponding field blank.
-CertStoreLocation: Specifies the certificate store path of the certificate, which is used to add a new HTTPS binding.
-CertificateThumbPrint: Specifies a certificate thumbprint, which is used to add a new HTTPS binding.
-Force: Forces the command to run without asking for user confirmation.
-Name (required): Specifies the name of the IIS website.
-Passthru: Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.
-Protocol: The protocol for which the binding is configured, usually http, https or ftp.
-SslFlag: Specifies the SSL Flag(s) of the new binding.

Prerequisites

Windows with the IISAdministration module and the Windows feature or management tools that provide it. Confirm target connectivity and version compatibility using the linked Microsoft reference.

Security considerations

This cmdlet changes system state. Review every target and parameter in the official reference, test outside production, and prepare an appropriate backup or rollback. Do not execute the example automatically.

Examples

Example 1: Create a new HTTP binding

New-IISSiteBinding -Name "TestSite" -BindingInformation "*:8080:" -Protocol http

This command creates a new HTTP binding of "*:8080:" on a website named TestSite Source: Microsoft, CC BY 4.0; transcript prompt/output removed. This example was not executed.

Sources

https://github.com/MicrosoftDocs/windows-powershell-docs/blob/b7645dd8c687139b28e845119da30ec670526507/docset/winserver2025-ps/IISAdministration/New-IISSiteBinding.md

https://learn.microsoft.com/powershell/module/iisadministration/new-iissitebinding?view=windowsserver2025-ps

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