Unique Login

Authentication ::: auth_uniquelogin
Maintained by António Vilela
This authentication plug-in prevents that each one Moodle user has more than one active session simultaneously.
Latest release:
779 sites
34 fans
Current versions available: 3

The goal of this authentication plug-in is to make sure that each user in Moodle only has one active session simultaneously.

To work properly, the plugin needs to be on top of the authentication plugins list and Database-stored sessions are enabled. Check the module documentation to more information.

This plugin is being maintained by ED-ROM, the portuguese Moodle Partner.


Screenshot #0


António Vilela (Lead maintainer): Maintainer
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  • Tue, Mar 5, 2019, 12:36 AM
    To Brian Nyathi
    You are welcome. Happy to know you found a solution!
  • Tue, Mar 19, 2019, 2:12 PM
    Hello Is this applicable for SSO authentication esp.. SAML?
  • Tue, Mar 19, 2019, 11:42 PM
    To arturo guinto
    The plug-in will not work because SAML send the user out of moodle to login.
  • Thu, Sep 5, 2019, 12:20 AM
    Hi, I don't see an option to install it directly on my 3.7 installation
    Is it not compatible with 3.7?
  • Sat, Sep 7, 2019, 3:05 PM
    when i use unique id plugin shows unable to access- invalid login...please help
  • Mon, Sep 9, 2019, 9:38 PM
    @Alejandro Novoa The plugin has been successfully tested in version 3.6 and 3.7.
    @Vijaya Kumar Do not set Unique Login as a user authentication method. Please see the correct use in https://docs.moodle.org/20/en/Uniquelogin_authentication
  • Thu, Sep 12, 2019, 6:31 PM
    Thank you for your quick response it's working smile
  • Sat, May 30, 2020, 4:55 AM
    Hi Antonio, this plugin working in Moodle 3.8.3?....Thanks regards
  • Tue, Jun 9, 2020, 4:31 PM
    @JJ Prade The plugin has been successfully tested in version 3.8.
  • Mon, Dec 7, 2020, 12:55 PM
    It works fine. I recommend to anybody who uses this plugin that, follow the installation instructions. Moving the plug-in to the top position is very important. Otherwise, it may not work with some of the 2-factors verification plugins.
    Thank you, Antonio.
  • Wed, Dec 23, 2020, 5:33 PM
    When will version 3.9 be out? Any idea? Does version 3.8 work ok with 3.9
    Thanks and Merry Xmas.
  • Sat, Feb 6, 2021, 7:59 PM
    I've read the description above and several comments, and I am confused.
    If a user is already logged in, and tries to login again (on a different browser or device), what happens exactly? Will the second session be refused or will the first session be closed?
    I suggest that this is made clearer in the description, if possible.
  • Tue, Mar 1, 2022, 8:32 PM
    Hello. Considering that Moodle now has the option to limit concurrent logins, is this plugin any longer necessary? Does it offer anything that core Moodle doesn't.

    Site admin > Plugins > Authentication > Manage authentication > limitconcurrentlogins
  • Thu, Mar 3, 2022, 12:44 AM
    P H, this plugin has more options, namely the possibility of not appling the restriction to users with teacher or admin role.
  • Thu, Mar 3, 2022, 4:16 PM
    Hello. Thank you for the explanation.
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