3/23/2023 0 Comments Security defaults office 365If Basic Auth is disabled in the tenant settings, these versions of Outlook won’t be able to connect to Exchange Online mailboxes on Microsoft 365 Outlook 2010 and earlier – don’t support Modern Auth.Please note the specifics of support for modern authentication in different Outlook versions: If OAuth2ClientProfileEnabled = False, it means that modern authentication is disabled. Set-OrganizationConfig -DefaultAuthenticationPolicy BasicAuth_BlockĪlso, note that there is another OAuth2ClientProfileEnabled option in the organization settings, which determines whether Modern Auth is enabled for the tenant: New-AuthenticationPolicy -Name "BasicAuth_Block" ![]() Set-User -Identity k.muller -AuthenticationPolicy "BasicAuth_Allow_PoSh"Īnd the default policy will block legacy auth protocol: Set-AuthenticationPolicy -Identity "BasicAuth_Allow_PoSh" -AllowBasicAuthPowershell:$true In this example, we’ll allow a user to connect to Exchange Online through a remote PowerShell session with basic authentication: In my case, most of the events were associated with native email clients on smartphones, they need to be migrated to the MS Outlook app.ĪllowBasicAuthReportingWebServices : Falseįor security purposes, you can create a separate policy with different Basic Auth permissions for specific protocols and assign it to users using the legacy application. You need to migrate the found applications to the Modern Auth protocol. This will allow you to find users and applications that are still using Basic Authentication.
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