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MC1055555 — Microsoft SharePoint Online: We will remove retired DISCO and WSDL web pages

MC1055555SharePoint OnlineplanForChangeUpdated: 20 October 2025

Microsoft SharePoint Online is removing retired ASP.NET DISCO and WSDL web pages by November 2025. These legacy endpoints, rarely used and outdated since 2013, should be replaced with Microsoft Graph for remote operations. Organizations should verify if these pages are in use internally.

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Applies to: SharePoint Online
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).