Steps To Setup Kerberos For Windows Authentication
Steps To Setup Kerberos For Windows Authentication
- Open Command prompt in Administrator mode.
- Execute the following command on it to add Service Principal Name (SPN) for the account
- Open Active Directory Users and Computers.
- Search for the service account which was used to create the Service Principal Name (SPN).
- Navigate to the Delegation tab.
- Select Trust this user for delegation to any service (Kerberos only).
- Click Apply.
- Open up IIS Manager.
- Select the site which you want to apply Windows Authentication to.
- Select the Application Pool for that website. Right click on it and select Advanced Settings.
- Use Custom Account and set the account as the service account for which delegation was enabled. You would need to enter the password of the service account as well.
- Navigate to the Authentication section for the website.
- Enable Windows Authentication and disable Anonymous Authentication.(Both cannot work simultaneously)
- Go to the Configuration Editor.
- Search for: system.webServer/security/authentication/windowsAuthentication
- Set useKernelMode as False and useAppPoolCredentials as True in the Configuration editor.
- Click Apply.
- Restart IIS server.
setspn -a HTTP/## Server FQDN ## ## Domain Service Account ##
Example: C:\Users\Administrator> setspn -A HTTP/mini.example.com gpadminNote: "mini.exmaple.com" here is FQDN. Make sure it's resolvable on the Windows server running AD service.
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