Is your Admin Login Not Working After Upgrading to Magento 2.4.4? In the event that indeed, the arrangement given in this blog entry might help you.
Magento redesigns accompany a lot of new elements and upgrades, and in some cases for certain bugs. One such bug or issue with the Magento 2.4.4 delivery is making issues with the administrator login. A large number of our clients griped that - the Magento 2 administrator login sidetracks to the login page subsequent to moving up to Magento 2.4.4. The Magento administrator login page tosses no blunder and reloads itself when the administrator attempts to sign in utilizing the certifications.
For more info: https://meetanshi.com/blog/admin-login-not-working-after-upgrading-to-magento-2-4-4/