What Is The Windows State Repository Service? Posted on by Webmaster IT Support Forum › Forums › Windows › Windows 10 › General Discussion › What Is The Windows State Repository Service? Tagged: Windows State Repository This topic contains 0 replies, has 1 voice, and was last updated by Webmaster 5 months ago. Author Posts July 5, 2016 at 12:58 pm #1894 WebmasterKeymaster Does anyone know what the Microsoft Windows State Repository service is? All I can find out about the Windows State Repository service is that it “provides required infrastructure support for the application model”. Which isn’t very useful to me. Author Posts You must be logged in to reply to this topic.