We recently updated the active directory plugin from version 2.0 to 2.4 and we started having problems not being able to login.  We discovered that if you clear your browser cookies, you can then login just fine.  Our workaround was to revert back to version 2.0.

          [JENKINS-43237] Can't login without clearing cookies

          Bryan Hunt created issue -
          Félix Belzunce Arcos made changes -
          Priority Original: Critical [ 2 ] New: Minor [ 4 ]
          Bryan Hunt made changes -
          Attachment New: support_2017-05-19_17.zip [ 38032 ]

            fbelzunc Félix Belzunce Arcos
            bhunt Bryan Hunt
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