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Titre
Getting error: "AADSTS533003 - Blocked by Conditional Access policies" when connecting to SharePoint Online -
Description
Getting error: "AADSTS533003 - Blocked by Conditional Access policies" when trying to connect to SharePoint Online when there is no Conditional Access policies in Office 365. -
Cause
Legacy Authentication blocked. -
Résolution
1. Go to the SharePoint Admin Center here.
2. Click in Apps that don't use modern authentication and select "Allow Access".
3. Go to Azure Portal > Properties > Manage Security defaults and set "Enable Security defaults" to No.
