Since the announcement of General Availability of the new Azure AD admin center in May, it’s been used by over 800,000 users from 500,000 organizations in almost every country in the world. The new admin center is the future for administration of Azure AD.
For over a year, the Azure AD team has been listening to your feedback and working to improve the new portal and the new experience. And they've heard you loud and clear that we have too many portals, that you want a single place where you can manage identity and access for your organization. So, on November 30, Microsoft will be retiring the Azure AD admin experience in the classic Azure portal.
Read about it in the Enterprise Mobility & Security blog.