If you cannot log in to the administration interface, please try the following:
- Check if the cookies expiration time in your browser is set to a correct value.
- Try to log in using a different browser to see if your problem is browser-based.
- Disable your firewall if you are using one.
- Disable all plugins and extensions installed in your browser.
If you are logging in to a new Kentico installation, the default user name is administrator, the default password is blank.
If your login credentials are incorrect, try resetting your account's password using the Forgotten password link.
If none of the listed options helps, contact an administrator of the website.