Event ID - 1803

Event Id1803
DescriptionUser <user name> has either changed the password recently or not yet created a mailbox using an advanced client such as Microsoft(R) Outlook or Outlook Web Access. The back-end server returned a 401 Access Denied error.
Event InformationAccording to Microsoft:
This event indicates that the user has not logged on to the mailbox using either Outlook or Outlook Web Access.
Request that the user log on to the mailbox using Outlook or Outlook Web Access before attempting to use Outlook Mobile Access.
Reference LinksExchange (MSExchangeOMA)

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