• EWS is being deprecated - update permissions to continue using the Microsoft Exchange Backup product - See article here
  • New outlook client crashing with Link Lock and STOA
  • EWS is being deprecated - update permissions to continue using the Microsoft Exchange Backup product
  • Introduction of new ArcTitan Admin UI and OAuth 2.0 from 29 June
  • Office365/Hotmail IP addresses get SPF Fail / SPF record incorrect
    • Register Sign in

    Alert bar

    ☰




    Home New Ticket My Tickets Knowledge Base
    Documentation

    SpamTitan(Skellig 9.00+

    SpamTitan(8.00 or Earlier)

    Solution home SpamTitan Knowledge Base Announcements

    EWS is being deprecated - update permissions to continue using the Microsoft Exchange Backup product Print

    Modified on: Fri, 28 Aug, 2026 at 12:22 PM

    Microsoft is deprecating the EWS API used for M365 Exchange backups, on 1st Oct 2026.


    If you're protecting an Exchange tenant, please navigate to the M365 Overview page and update permissions by 30th September to avoid service disruption.


    More infomation here: https://helpdesk.redstor.com/support/solutions/articles/4000223551-1636-issues-resulting-from-microsoft-s-deprecation-of-ews 

    Did you find it helpful? Yes No

    Send feedback
    Sorry we couldn't be helpful. Help us improve this article with your feedback.

    Require further support? Submit a ticket Here

    Related Articles

      Article views count