HasinHayder

captainhaddock

A simple and nice plugin to block existing users from logging into the admin panel by assigning them to the ‘Blocked’ user role, as simple as that. If the installation is okay, go to any user’s profile and you can find a new role called Blocked in the user role dropdown. Just assign any user to that role, and the user will be taken to the ‘blocked’ URL whenever they want to log in.
Unblocking a user is easy. Assign them to their previous role and you’re done!

User Role Blocker

A simple and nice plugin to block existing users from logging into the admin panel by assigning them to the 'Blocked' user role, as simple a …

Collins Agbonghama

Simple plugin for disabling admin bar and preventing access to WordPress dashboard based on a user’s roles.
It is that simple 😀
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Admin Bar & Dashboard Access Control

I've used 2 plugins before for this stuff. This excellent little plugin makes it really easy, all in 1 plugin. Does just what it needs to and does it well.

My only complaint: it adds a new sidebar item in the Admin. It really should have it's settings under Settings or Tools sections. Only plugins with multiple pages of settings, and that need to be accessed regularly, should add more height to my sidebar. If that gets fixed, I'll change my review to 5 stars! I know it's a bit nit-picky of a complaint. I guess it shows how good this little plugin is, when that's the only thing wrong.

Works great, does the work of 2 plugins elegantly!

Disable admin bar and control users access to WordPress dashboard.

User Role Blocker vs Admin Bar & Dashboard Access Control