Hello teejeer,
you can find the failed login attempts inside the “debug.log” file. You can find it at
“../next-active-directory-integration/logs/”. You have to activate Logging in configurations first. For further information the “Logging” configuration tab, please take a look at our documentation. https://active-directory-wp.com/docs/Configuration/Logger.html
A example for a failed logging attempt from the logfile
2017-05-02 06:10:53 [DEBUG] NextADInt_Ldap_Connection::authenticateUser [line 332] Trying to authenticate user with username 'administrator' and account suffix '@test.ad'
2017-05-02 06:10:54 [ERROR] NextADInt_Ldap_Connection::authenticateUser [line 342] Authentication for user 'administrator' failed because: Invalid credentials
2017-05-02 06:10:54 [ERROR] NextADInt_Adi_Authentication_LoginService::authenticateAtActiveDirectory [line 365] User 'administrator' can not be authenticated.
2017-05-02 06:10:54 [WARN ] NextADInt_Adi_Authentication_LoginService::tryAuthenticatableSuffixes [line 211] Login for Credentials={login='administrator@test.ad',sAMAccountName='administrator',userPrincipalName='administrator@test.ad',netbios=''} failed: none of the suffixes succeeded
2017-05-02 06:10:54 [DEBUG] NextADInt_Adi_Authentication_PasswordValidationService::overridePasswordCheck [line 108] User from AD and fallback to local (WordPress) password deactivated. Authentication failed.
greetings
medan123