| Event Id | 1803 |
| Source | MSExchangeOMA |
| Description | User <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 Information | According to Microsoft: EXPLANATION: This event indicates that the user has not logged on to the mailbox using either Outlook or Outlook Web Access. USER ACTION: Request that the user log on to the mailbox using Outlook or Outlook Web Access before attempting to use Outlook Mobile Access. |
| Reference Links | Exchange (MSExchangeOMA) |
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