Microsoft No Longer Supports Legacy Authentication with SharePoint 365
- 12 Sep 2025
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Microsoft No Longer Supports Legacy Authentication with SharePoint 365
- Updated on 12 Sep 2025
- 1 Minute to read
- Contributors
- Print
- PDF
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In August 2025, Microsoft stopped allowing the use of legacy authentication with SharePoint 365. Lasernet servers and Lasernet Developer are unable to connect to SharePoint 365 if the connections used by SharePoint Output modules and SharePoint command modifiers are configured to use legacy authentication.
To resolve this issue, configure these connections to use Graph API user-based or application-based authentication.
Note
In Lasernet 10, Graph API connections do not support JobInfo substitution for the Subsite property. This support will be added in Lasernet 11.