Exchange 2013 OWA Mailbox policy issue cause of OWA error?
Within Exchange 2013 you can have OWA (Outlook Web App) Mailbox policies, in which an Exchange Admin can determine which features within OWA are available to users. By default, there's a default policy with all options enabled, but you can have more policies and configure them at will and assign them to Mailbox-enabled users according to the organization's needs. In this case we wanted to completely disable the Text Messaging option, as it offers no additional functionality for this organization. Disabling itRead more