Manually enable IIS components—ArcGIS Enterprise | Documentation for ArcGIS Enterprise

ArcGIS Web Adaptor requires that IIS and specific IIS components be enabled on supported Windows operating systems. The setup will not proceed if IIS is not detected and specific IIS components are not enabled.

Caution:

You must enable IIS and the required components before proceeding with the ArcGIS Web Adaptor installation.

If you've already enabled IIS but are missing the required IIS components, the installation displays a message indicating that certain IIS components are missing. You have the option to allow the installation to automatically enable the required IIS components. However, depending on your organization's security policies, it may be necessary to manually enable the required IIS components, as described below.

To enable IIS and required IIS components on Windows Server 2016, 2019, 2022, and 2025, complete the following steps:

Open Server Manager.
In the Server Manager Dashboard, click Add roles and features.
The Add Roles and Features Wizard appears.
On the Before You Begin page, click Next.
On the Installation Type page, select Role-based or feature-based installation and click Next.
On the Server Selection page, select the appropriate server and click Next.
Note:
The local server is selected by default.
On the Server Roles page, enable Web Server (IIS).
On the dialog box that appears, click Add Features and click Next.
On the Features and Web Server Role (IIS) pages, click Next.
On the Role Services page, verify that the web server components listed in the Required IIS components section are enabled and click Next.
On the Confirmation page, verify that your settings are correct and click Install.
When the installation completes, click Close to close the wizard.

To enable IIS and the required IIS components on Windows 10 and Windows 11, complete the following steps:

Open Control Panel and click Programs and Features > Turn Windows features on or off.
Enable Internet Information Services.
Expand the Internet Information Services feature and verify that the web server components listed in the Required IIS components section are enabled.
Click OK.

Required IIS components

The IIS components listed below satisfy the minimum requirements to run the Web Adaptor. If other IIS components are enabled, they do not need to be removed.

Web Server
- Common HTTP Features
  - Default Document
  - Static Content
- Security
  - Request Filtering
  - Windows Authentication
- Application Development
  - ISAPI Extensions
  - ISAPI Filters
  - WebSocket Protocol
Management Tools
- IIS Management Console

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Caution:

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Required IIS components

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