Log Name: Application
Source: MSExchange OWA
Date: 8/16/2016 8:43:27 AM
Event ID: 146
Task Category: Configuration
Level: Error
Keywords: Classic
User: N/A
Computer: PAPEXCIFR02.mfrm.com
Description:
Outlook Web App failed to create ExchangePrincipal for S-1-5-21-3700308141-3218999051-1897849036-19359. IsMonitoringRequest: False. Error: Microsoft.Exchange.Data.Storage.UserHasNoMailboxException: The user does not have an Exchange mailbox.