Internet Information Server (IIS) changes 465 change the password of a service account without having to update each service using that particular account. IIS 7.5 application pools provide support for Managed Service Accounts. For example, an IIS application pool could be running under the account IIS_Service. For security purposes, an administrator needs to change the password on this account. The administrator simply has to change the password of the AD account. Once the password has been changed, the IIS application pool will auto- matically update the password field to reflect the new password without administrator interaction. Hostable Web Core The IIS engine itself can be hosted by other systems and applications. This gives developers the ability to include Web server functionality within their applications without having to write their own server. By using APIs they can leverage IIS directly inside their application code.