It could be something with cookies. Try to clear your cookies in your browser and test again. If you can login after that, try to disable all plugins and enable the default WordPress-theme and successive enable your plugins to isolate the problem.
Or it can be your .htaccess-file:
Follow these easy steps and you’ll get your WordPress Blog and Admin Access Back:
- Backup your .htaccess file on your hard drive
- Delete the .htaccess file from the root of your server
- Go to your blog’s admin panel and log-in
- On the left sidebar, go to Settings –> General and changes your
WordPress Address and Blog Address to include www (so it should be
http://www.domainname.com instead of http://domainname.com). - Save Settings
- Take your .htaccess backup and reupload it to the root of your
server
Related Posts:
- Users are redirected to homepage instead of wp-admin
- Can’t access admin dashboard with wp-admin without /index.php after it
- wp-admin – 404 after custom login form
- How to fix ‘WordPress redirection loop problem in wp-login.php page’?
- CPU overload spam – redirect link to wp-admin and new post
- Trying to login to my site redirects me to the first page
- stop customize.php redirect to login page if admin is not logged in
- Unable to log in as admin
- Cannot login in WordPress even after changing hash password in phpmyadmin
- “Too many redirects” ONLY when trying to access wp-admin page
- Admin Page Redirect
- Unable to login and wp-login.php redirects to wp-admin%2F&reauth=1?
- How to redirect/rewrite all /wp-login requests
- Unable to login to my wordpress site. reauth=1 redirection loop
- Custom login redirects to wp-admin on wrong password
- How to allow users login to WP from external domain and make REST requests
- Password change when the user login first time
- Wrong canonical link on wp-admin pages
- stop redirection on /wp-admin call to /wp-login
- wp-admin produces a 302 redirect to itself
- Unwanted redirect in admin area
- Login to wp-admin “redirect_to” points to wrong URL after migration
- Display sortable User meta column in admin panel user’s page
- How to move wp-admin login page to another location? [closed]
- wp-login.php — redirect logged in users to custom URL
- Can’t access wp-admin Internal Server Error 500
- Adding body class to login page?
- Edit a WordPress site without the username and password?
- Change Dashboard url
- WordPress subdomain wp-admin redirects to main domain
- Using /wp-admin works, using /login gives a 404. Why?
- Cannot log into WordPress Dashboard after removing/adding .htaccess
- Change WP-Login or WP-Admin
- How to redirect user to specific page based on the input password
- Why is there an intermediate redirect to https://public-url.org/wp-admin?
- Prevent /wp-admin/ from redirecting to homepage?
- Can’t access login screen, wp-login.php 404’s
- https://mydomain/wp-admin redirects to wp-login.php?redirect_to=https%3A%2F%2Fmydomain%2Fwp-admin%2F&reauth=1
- Can’t access WordPress as an admin – but I can log in as a user!
- Can’t login to Dashboard when changing site URL to HTTPS
- Password reset link becomes invalid immediately [closed]
- Redirect non-admin users away from wp-admin/index.php (main dashboard page) to wp-admin/profile.php
- WordPress and bbPress Login conflicts?
- Website looks fine, but login to wp-admin yields a blank screen
- cannot find the login page for local WordPress site
- Users disappeared from wp-admin
- Modify WP-Admin login fields
- display dynamic WP Site logo on wp-admin using CSS
- How to Change The WordPress Login URL Without Plugin
- WordPress (behind HAProxy and Jetty), not multisite, in sub folder – and /en/wp-admin/ keeps redirecting to /wp-admin/
- Created a new subdomain with same content. Should I add a redirect in my old subdomain?
- Use Password Protected Form without the use of wp-login.php
- Logging into sandbox subdomain WP
- 404 redirect wp-login and wp-admin after changing login url [closed]
- Having troubles connecting to WordPress login page using Mamp
- Sorry, you are not allowed to access this page
- WP Admin/ WP Login Redirect to themselves
- Too many redirects after added SSL redirect on port 80 virtual host
- Cookie Domain is preventing Admin login
- Require Login Redirect to Login Page
- Cannot access WordPress login pages
- How to replace “Password Protected” text with icon in Admin
- Cant login to wp-admin
- /wp-admin/ doesn’t work but /admin/ does
- Why am I locked out of the system?
- Why can I log into wp-login.php and not wp-admin.php?
- Can’t access wp-admin, redirects to http://%24domain/wp-admin/
- firing function at login within class
- WP-admin or any other is redirecting me to (This page doesn’t seem to exist.)
- Unable to properly login
- Restrict access to admin-post.php
- wp-login not found – All usual solutions not working
- how can provide access to wp_admin page for non wp_users?
- Can’t connect to WP-Admin, blank error message
- Blank page when viewing wp-admin
- GoDaddy hosting wp-admin problem
- WordPress /wp-admin redirect to wrong port in docker
- Login redirect_to url is pointing to a url with the port
- Can’t access WP-Admin via HTTPS
- How to log into WordPress via GET/POST
- Admin Login Checks
- wp-admin redirects to standard wordpress page
- I cannot go to http://novathon.cloud.reply.eu/wp-admin – always redirected to /wp-login
- Handling multiple account logins?
- Not able to access WP admin Page, redirected and a drop down login menu appears 401 error
- Random HTTPs redirections at admin area in shared hosting
- WordPress Login for multiple sites
- Can’t log into WordPress after domain change
- Why WordPress not logout after I have close my browser?
- Redirect after user changes password
- Admin user getting redirected to /wp-admin/user
- is_admin() conditional statement
- Admin Login page not working at all
- How can visitors redirect wp-admin to the homepage?
- Impossible User Registration
- Couple questions about .htaccess, login page, updates
- Why when I click on a link into the WP admin panel I am redirected to a link that doesn’t contains wp-admin prefix, so I obtain 404 error
- After Upgrade: $user becomes unknown (id: 0) after successful login?
- Redirect users based on their roles, is_admin()
- How to protect my credentials on my clients website