Error Lookup
- 401 Unauthorized
- 404 Not Found
- Active Directory is unavailable. Try again later.
- Discovery services did not return a valid Exchange Web Service URL
- Error: Service endpoint not found
- ErrorInternalServerTransientError
- http POST request to 'autodiscover-s.outlook.com' failed - 456 / 457
- No mailbox with such GUID - ErrorNonExistentMailbox
- Office 365 user names should always be specified as email addresses
- The requesting account does not have permission to serialize tokens. Error: ErrorTokenSerializationDenied
- The server cannot service this request right now.
- The SMTP address has no mailbox associated with it
- Unable to connect to the remote server
- Why can't I update calendar events post-migration?
- アカウントに要求されたユーザーを偽装する権限がありません