What does it mean that the user profile service service could not log on?
If the error User Profile Service Failed Logon appears when you first log into the system with a new account, it means that the default profile is corrupted or the permissions on the default profile folder have changed. The default profile settings are copied to the new profile at first login.
Table of Contents
How to fix a damaged “user profile”?
Create a new user profile Activate the hidden administrator account at the command prompt by entering the command… Full steps
How do I restore a user profile?
Type “file history” in the search box on the taskbar.
Why won’t my profile load?
The common cause of Outlook profile not loading is due to other applications accessing its data files. If the data file is locked or accessed by third party applications like Google Calendar, Microsoft Communicator, etc., this can happen. There are some solutions in this case.
What is the user profile service?
The User Profile Service is a shared service in SharePoint Server that enables the creation and management of user profiles that can be accessed from multiple sites and farms. The farm administrator can delegate administration of User Profile service applications in SharePoint Server to a service application administrator.