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highDevOpsAzure DevOps Serverdeprecationazure_devops_blog · Jul 1, 2026

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

NTLM support will be removed from libcurl in Git, impacting Azure DevOps Server customers who use NTLM authentication for HTTPS operations. This change enhances security but requires migration to alternative authentication methods.

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 indus
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Security
endpoint_securitycloud_security
Audience
admindeveloper
Environment
on_premises
Classification confidence: 95%
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Upcoming Change: NTLM Removal in Git (libcurl) – Impact to Azure DevOps Server Customers | 365Forge