.If you need to find out how long ago it has been since a user has logged onto your network then you can do this with a command in powershell. Follow this guide.Find out how long it has been since a user logged in.
When launching OWA 2010 in Exchange 2010 you see the error Outlook Web App didn’t initialize. If the problem continues, please contact your helpdesk.
Couldn’t find a base theme (folder name=base) . This can be fixed with a power shell command