If you install SpiraTeam or KronoDesk on Windows Server 2012 (or later), you need to make sure that the various IIS Roles and Features are installed. If not, you may find that various Menus don't display correctly or that the pages do not display any data. This article describes the features and roles that need to be included.
All the settings and prerequisites required for proper operation of the Spira instance can be found here in our documentation: https://spiradoc.inflectra.com/Spira-Administration-Guide/Installing-SpiraPlan/#system-prerequisites