Setting up multiple websites

Kentico allows you to run any number of websites from a single installation. The websites share the same web project (code base) and database. All sites run under a single web site in IIS

Diagram showing the architecture of multiple sites

Using separate installations for each site

It is recommended to run separate instances of Kentico for every website in the following scenarios:

  • Your websites contain a very large number of pages and high performance is a critical requirement.
  • Your customers have very different requirements and you need to customize shared parts of the system, such as the administration interface or the structure of shared database tables.
  • Your customers are very sensitive to security and you do not want to risk that other clients will get access to other websites because of an administrator’s mistake.

The following sections demonstrate how to set up multiple websites on an example of two sites:


Creating multiple sites in Kentico

  1. Open the sites application.

  2. Create two websites.

  3. Edit () each website and set the Site domain name values (without the www prefix and http:// protocol).

  4. Make sure both sites are running.

    • You can check the site status on the main site list.
  5. Make sure you have valid license keys for both domains in the Licenses application.

Kentico installation with two websites

Configuring multiple sites on a local IIS server

  1. Open your Internet Information Services (IIS) Manager console (Start -> Control Panel -> Administrative tools -> Internet Information Services (IIS) Manager).

  2. In the tree, right-click Sites and select Add Web Site.

  3. Enter the following details:

    • Site name:

    • Physical path: disk path to the location of your site’s web project (where the application’s web.config file is stored).

    • Host name:

  4. Click OK.

    • The site appears under the Sites node.
  5. Right-click the site and select Edit bindings.

  6. Click Add.

  7. Enter the domain name of your second website as the Host name and click OK.

  8. Add two more bindings for both sites without the www prefix.

Your new IIS web site is now configured to handle all incoming requests for domains and You may need to ask your network administrator to redirect the domain in the DNS records to your website. When you open and (or your own domain names) in a browser, you should see two different websites.

Testing domains

If you do not own the domains, you can test the configuration by modifying the server’s C:\WINDOWS\system32\drivers\etc\hosts file.

For this example, add the following lines to the end of the file:

Note: These are client settings, so the website will only work when accessed from a browser on the server machine.

Multiple websites on a single domain

If you cannot use multiple domain names for your website, you can differentiate websites by subfolder (virtual directory). See Running multiple sites on a single domain for more details.