Phantom Unread Emails on iOS Devices
This problem has cropped up a few times recently.
When using an iOS Device (iPhone/iPad etc) to connect to a Microsoft Exchange Server, sometimes the device will report an incorrect number of Unread Messages.
The following instructions are to clear the incorrect Unread Message Count when running iOS v6.
Open Settings
Select Mail, Contacts, Calendars
Select Exchange (or the name of the account)
Turn mail OFF
Select Done
Reboot the phone
Open Settings
Select Mail, Contacts, Calendars
Select Exchange (or the name of the account)
Turn mail ON
Select Done
Exit Settings
Open Mail
Force a sync by dragging Inbox contents down