Switch to Microsoft Exchange Online 'Modern Auth' before October
On October 1 2022, Microsoft will start switching off Basic Auth for Exchange Online tenants worldwide.
Microsoft Exchange Online to Drop Basic Authentication Support in October
This is the same inconvenience as the Gmail App Password creation for standard scanning dual authentication enabling nightmare.
It's finally time for businesses running Exchange Online to switch from Basic Authentication to Modern Authentication before Microsoft disables the former on October 1, 2022, according to the US Cybersecurity and Infrastructure Security Agency.
One of the key features that Basic Authentication or "Basic Auth" doesn't support is multi-factor authentication (MFA), which is one of the best protections against identity and password attacks.
Microsoft has been urging all organizations to switch to Modern Auth for well over a year. It originally planned to disable Basic Auth in the second half of 2021, but in February 2021 delayed this plan due to the pandemic and eventually set a deadline for October 2022.
"We will start to turn off Basic Authentication in our worldwide multi-tenant service on October 1, 2022. To be clear, we will start on October 1; this is not the date we turn it off for everyone. We will randomly select tenants, send 7-day warning Message Center posts (and post Service Health Dashboard notices), then we will turn off Basic Auth in the tenant. We expect to complete this by the end of this year. You should therefore be ready by October 1," the Exchange Online team said.
"We're turning off Basic Auth for the following protocols: MAPI, RPC, Offline Address Book (OAB), Exchange Web Services (EWS), POP, IMAP, Exchange ActiveSync (EAS), and Remote PowerShell.
"We are not turning off SMTP AUTH. We have turned off SMTP AUTH for millions of tenants not using it, but if SMTP AUTH is enabled in your tenant, it's because we see usage and so we won't touch it. We do recommend you disable it at the tenant level and re-enable it only for those user accounts that still need it.
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