{"id":45906,"date":"2025-09-05T08:00:00","date_gmt":"2025-09-05T15:00:00","guid":{"rendered":""},"modified":"2025-09-05T08:06:59","modified_gmt":"2025-09-05T15:06:59","slug":"azure-mandatory-multifactor-authentication-phase-2-starting-in-october-2025","status":"publish","type":"post","link":"https:\/\/azure.microsoft.com\/en-us\/blog\/azure-mandatory-multifactor-authentication-phase-2-starting-in-october-2025\/","title":{"rendered":"Azure mandatory multifactor authentication: Phase 2 starting in October 2025"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">As cyberattacks become increasingly frequent, sophisticated, and damaging, safeguarding your digital assets has never been more critical, and at Microsoft, your security is our top priority. <a href=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2019\/08\/20\/one-simple-action-you-can-take-to-prevent-99-9-percent-of-account-attacks\/\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft research<\/a> shows that multifactor authentication (MFA) can block more than 99.2% of account compromise attacks, making it one of the most effective security measures available.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As&nbsp;<a href=\"https:\/\/azure.microsoft.com\/en-us\/blog\/announcing-mandatory-multi-factor-authentication-for-azure-sign-in\/\" target=\"_blank\">announced in August 2024<\/a>, Azure started to implement mandatory MFA for Azure Public Cloud sign-ins. By enforcing MFA for Azure sign-ins, we aim to provide you with the best protection against cyber threats as part of Microsoft\u2019s commitment to enhance security for all customers, taking one step closer to a more secure future.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As previously announced, Azure MFA enforcement was rolled out gradually in phases to provide customers with enough time to plan and execute their implementations: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\"><strong>Phase 1:<\/strong>&nbsp;MFA enforcement on Azure Portal, Microsoft Entra admin center, and Intune admin center sign-ins.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Phase 2:<\/strong>&nbsp;Gradual enforcement for MFA requirement for users performing Azure resource management operations through any client (including but not limited to: Azure Command-Line Interface (CLI), Azure PowerShell, Azure Mobile App, REST APIs, Azure Software Development Kit (SDK) client libraries, and Infrastructure as Code (IaC) tools).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">We are proud to announce that multifactor enforcement for Azure Portal sign-ins was rolled out for 100% of Azure tenants in March 2025. Now, Azure is announcing the start of Phase 2 MFA enforcement at the Azure Resource Manager layer, starting<strong>\u00a0October 1, 2025<\/strong>. Phase 2 enforcement will be gradually applied across Azure tenants through\u00a0<a href=\"http:\/\/aka.ms\/AZUREPOLICY\" target=\"_blank\" rel=\"noreferrer noopener\">Azure Policy<\/a>, following Microsoft\u00a0<a href=\"https:\/\/azure.microsoft.com\/blog\/advancing-safe-deployment-practices\/\" target=\"_blank\">safe deployment practices<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Starting this week, Microsoft sent notices to all Microsoft Entra Global Administrators by email and through&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/service-health\/service-health-notifications-properties\" target=\"_blank\">Azure Service Health notifications<\/a>&nbsp;to notify the start date of enforcement and how to prepare for upcoming MFA enforcement.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication?tabs=dotnet#prepare-for-mandatory-mfa-enforcement\">Prepare for mandatory MFA enforcement<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"customer-impact\">Customer impact<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Users will be required to authenticate with MFA before performing resource management operations.&nbsp;Workload identities, such as managed identities and service principals, aren&#8217;t impacted by&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication?tabs=dotnet#enforcement-phases\" target=\"_blank\" rel=\"noreferrer noopener\">either phase<\/a>&nbsp;of this MFA enforcement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Learn more about the&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication?tabs=dotnet#scope-of-enforcement\" target=\"_blank\">scope of enforcement<\/a>.\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-prepare\">How to prepare<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-enable-mfa-for-your-users\">1. Enable MFA for your users<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To ensure your users can perform resource management actions,&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication?tabs=dotnet#prepare-for-mandatory-mfa-enforcement\" target=\"_blank\">enable MFA for your users<\/a>&nbsp;by&nbsp;<strong>October 1, 2025<\/strong>.&nbsp;To identify which users in your environment are set up for mandatory MFA, follow&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/how-to-mandatory-multifactor-authentication\" target=\"_blank\">these steps<\/a>.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-understand-potential-impact\">2. Understand potential impact<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n  To understand potential impact ahead of Phase 2 enforcement,&nbsp;<a href=\"https:\/\/aka.ms\/MFAforAzureSelfEnforce\" target=\"_blank\">assign built-in Azure Policy definitions<\/a>&nbsp;to block resource management operations if the user has not authenticated with MFA.\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n  Customers can gradually apply this enforcement across different resource hierarchy scopes, resource types, or regions.\n<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-update-your-azure-cli-and-powershell-clients\">3. Update your Azure CLI and PowerShell clients<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For the best compatibility experience, users in your tenant should use Azure CLI version 2.76 and Azure PowerShell version 14.3 or later.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"next-steps-for-multifactor-authentication-for-azure-sign-in\">Next steps for multifactor authentication for Azure sign-in<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\">To ensure your users can perform resource management actions,&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication?tabs=dotnet#prepare-for-mandatory-mfa-enforcement\" target=\"_blank\">enable MFA for your users<\/a>&nbsp;by&nbsp;<strong>October 1, 2025<\/strong>.&nbsp;<\/li>\n\n\n\n<li class=\"wp-block-list-item\">To understand the potential impact, apply a&nbsp;<a href=\"https:\/\/aka.ms\/MFAforAzureSelfEnforce\" target=\"_blank\">built-in Azure Policy definition<\/a>&nbsp;in&nbsp;<strong>audit or enforcement mode<\/strong>.<\/li>\n\n\n\n<li class=\"wp-block-list-item\">For the best compatibility experience, users in your tenant should use<strong>&nbsp;Azure CLI version 2.76<\/strong>&nbsp;and&nbsp;<strong>Azure PowerShell version 14.3<\/strong>&nbsp;or&nbsp;later.<\/li>\n\n\n\n<li class=\"wp-block-list-item\">If you can\u2019t enable MFA for your tenant by October 1, 2025, the&nbsp;<strong>Global Administrator<\/strong>&nbsp;for your tenant can&nbsp;<a href=\"https:\/\/aka.ms\/postponePhase2MFA\" target=\"_blank\">postpone the enforcement date through Azure Portal<\/a>.<\/li>\n\n\n\n<li class=\"wp-block-list-item\">Keep an eye out for further communications through the previously&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication#notification-channels\" target=\"_blank\">communicated notification channels<\/a>.<\/li>\n<\/ul>\n\n\n\n<aside class=\"cta-block cta-block--align-right cta-block--has-image wp-block-msx-cta\" data-bi-an=\"CTA Block\">\n\t<div class=\"cta-block__content\">\n\t\t\t\t\t<div class=\"cta-block__image-container\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"892\" height=\"892\" src=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/09\/Azure-Lock-Element-5-1.png\" class=\"cta-block__image\" alt=\"A white padlock with a blue and yellow handle\" srcset=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/09\/Azure-Lock-Element-5-1.webp 892w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/09\/Azure-Lock-Element-5-1-300x300.webp 300w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/09\/Azure-Lock-Element-5-1-150x150.webp 150w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/09\/Azure-Lock-Element-5-1-768x768.webp 768w\" sizes=\"auto, (max-width: 892px) 100vw, 892px\" \/>\t\t\t<\/div>\n\t\t\n\t\t<div class=\"cta-block__body\">\n\t\t\t<h2 class=\"cta-block__headline\">MFA for Azure sign-in<\/h2>\n\t\t\t<p class=\"cta-block__text\">Prepare for Phase 2 of multifactor authentication enforcement.<\/p>\n\t\t\t\t\t\t\t<div class=\"cta-block__actions\">\n\t\t\t\t\t<a\n\t\t\t\t\t\thref=\"https:\/\/learn.microsoft.com\/en-us\/entra\/identity\/authentication\/concept-mandatory-multifactor-authentication?tabs=dotnet#prepare-for-mandatory-mfa-enforcement\"\n\t\t\t\t\t\tclass=\"btn cta-block__link btn-link\"\n\t\t\t\t\t\ttarget=\"_blank\"\t\t\t\t\t>\n\t\t\t\t\t\tLearn more\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/aside>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Azure is announcing the start of Phase 2 multifactor authentication enforcement at the Azure Resource Manager layer, starting\u00a0October 1, 2025.<\/p>\n","protected":false},"author":41,"featured_media":45908,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ms_queue_id":[],"ep_exclude_from_search":false,"_classifai_error":"","_classifai_text_to_speech_error":"","_alt_title":"","footnotes":"","msx_community_cta_settings":[]},"categories":[1482],"tags":[],"audience":[3055,3053,3056],"content-type":[1465],"product":[1546,1534,1605,1535],"tech-community":[2993],"topic":[],"coauthors":[3284,3289],"class_list":["post-45906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-management-and-governance","audience-developers","audience-it-decision-makers","audience-it-implementors","content-type-announcements","product-azure-policy","product-azure-resource-manager","product-azure-service-health","product-microsoft-azure-portal","review-flag-1-1680286581-825","review-flag-2-1680286581-601","review-flag-3-1680286581-173","review-flag-microsofts","review-flag-never-1680286580-606"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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