BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//MSP Change Desk//Action Pack 001//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:MSP Change Desk - SMTP AUTH Basic Auth (Pack 001)
BEGIN:VEVENT
UID:mspchangedesk-001-1-2026-11-02@mspchangedesk.com
DTSTAMP:20261019T170000Z
DTSTART;VALUE=DATE:20261102
DTEND;VALUE=DATE:20261103
SUMMARY:MSP Change Desk #001: run SMTP AUTH readiness script on all tenants
DESCRIPTION:Suggested planning date (not a Microsoft date). Run Get-SmtpAut
 hBasicReadiness.ps1 (read-only) on every client tenant and open a PSA tick
 et per tenant.\n\nSource: https://techcommunity.microsoft.com/blog/exchang
 e/updated-exchange-online-smtp-auth-basic-authentication-deprecation-timel
 ine/4489835\nPack: https://mspchangedesk.com/packs/001-smtp-auth-basic-aut
 h/
URL:https://mspchangedesk.com/packs/001-smtp-auth-basic-auth/
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:MSP Change Desk #001: run SMTP AUTH readiness script on all ten
 ants
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END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:mspchangedesk-001-2-2026-11-16@mspchangedesk.com
DTSTAMP:20261019T170000Z
DTSTART;VALUE=DATE:20261116
DTEND;VALUE=DATE:20261117
SUMMARY:MSP Change Desk #001: send client notices for SMTP AUTH senders
DESCRIPTION:Suggested planning date (not a Microsoft date). Send the client
  notice to every client with devices/apps using SMTP AUTH Basic auth and s
 chedule remediation.\n\nSource: https://techcommunity.microsoft.com/blog/e
 xchange/updated-exchange-online-smtp-auth-basic-authentication-deprecation
 -timeline/4489835\nPack: https://mspchangedesk.com/packs/001-smtp-auth-bas
 ic-auth/
URL:https://mspchangedesk.com/packs/001-smtp-auth-basic-auth/
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:MSP Change Desk #001: send client notices for SMTP AUTH senders
TRIGGER:-P1D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:mspchangedesk-001-3-2026-12-01@mspchangedesk.com
DTSTAMP:20261019T170000Z
DTSTART;VALUE=DATE:20261201
DTEND;VALUE=DATE:20261202
SUMMARY:MSP Change Desk #001: final month - confirm SMTP AUTH remediation
DESCRIPTION:Suggested planning date (not a Microsoft date). Microsoft disab
 les SMTP AUTH Basic auth by default for existing tenants at the END OF DEC
 EMBER 2026. Confirm every sender is on OAuth\, HVE\, a relay connector\, o
 r another supported method.\n\nSource: https://techcommunity.microsoft.com
 /blog/exchange/updated-exchange-online-smtp-auth-basic-authentication-depr
 ecation-timeline/4489835\nPack: https://mspchangedesk.com/packs/001-smtp-a
 uth-basic-auth/
URL:https://mspchangedesk.com/packs/001-smtp-auth-basic-auth/
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:MSP Change Desk #001: final month - confirm SMTP AUTH remediati
 on
TRIGGER:-P1D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:mspchangedesk-001-4-2026-12-31@mspchangedesk.com
DTSTAMP:20261019T170000Z
DTSTART;VALUE=DATE:20261231
DTEND;VALUE=DATE:20270101
SUMMARY:Microsoft: SMTP AUTH Basic auth disabled by default (end of Dec 202
 6)
DESCRIPTION:Microsoft has stated 'End of December 2026' and has NOT publish
 ed an exact day\; this entry is placed on Dec 31 as a marker only. Admins 
 can still re-enable Basic auth after the change. Final removal date to be 
 announced in H2 2027.\n\nSource: https://techcommunity.microsoft.com/blog/
 exchange/updated-exchange-online-smtp-auth-basic-authentication-deprecatio
 n-timeline/4489835\nPack: https://mspchangedesk.com/packs/001-smtp-auth-ba
 sic-auth/
URL:https://mspchangedesk.com/packs/001-smtp-auth-basic-auth/
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Microsoft: SMTP AUTH Basic auth disabled by default (end of Dec
  2026)
TRIGGER:-P1D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:mspchangedesk-001-5-2027-01-04@mspchangedesk.com
DTSTAMP:20261019T170000Z
DTSTART;VALUE=DATE:20270104
DTEND;VALUE=DATE:20270105
SUMMARY:MSP Change Desk #001: post-change check for scan-to-email / app sen
 d failures
DESCRIPTION:Suggested planning date (not a Microsoft date). First business 
 day after the holiday break: check for device/app send failures and SMTP A
 UTH sign-in errors.\n\nSource: https://techcommunity.microsoft.com/blog/ex
 change/updated-exchange-online-smtp-auth-basic-authentication-deprecation-
 timeline/4489835\nPack: https://mspchangedesk.com/packs/001-smtp-auth-basi
 c-auth/
URL:https://mspchangedesk.com/packs/001-smtp-auth-basic-auth/
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:MSP Change Desk #001: post-change check for scan-to-email / app
  send failures
TRIGGER:-P1D
END:VALARM
END:VEVENT
END:VCALENDAR