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Upcoming Change: NTLM Removal in Git (libcurl) – Impact to Azure DevOps Server Customers

calendar_today July 1, 2026 person Gloridel Morales domain microsoft-azure-repo

Overview In September 2026, NTLM support will be removed from libcurl, which is used by Git for HTTP(S) operations. As a result, Git operations over HTTPS against Azure DevOps Server (on-premises) will stop working for customers who rely on NTLM authentication. This change is part of a broader industry move toward more secure authentication mechanisms.

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