https://sugarclub.sugarcrm.com/dev-club/f/questions-answers/8116/ldap-authentication-failing-on-php-8-3Hi, We recently upgraded our on-prem SugarCRM instance to version 14.0.0, running on Windows Server with IIS. We also upgraded PHP from 7.4 to 8.3 during this process. We&#39;re using LDAP authentication for users to log in. With PHP 7.4, LDAP authenticationen-USTelligent Community 12https://sugarclub.sugarcrm.com/thread/33115?ContentTypeID=1Wed, 21 May 2025 16:47:05 GMT5c521d64-519d-47a6-9065-134618b211bf:51f3a95c-9e41-4dc1-83df-0adf450d5dc7Peter Wang<p>I believe It is issue of encryption, it requires aes-256-cfb instead of bf-ecb</p><div style="clear:both;"></div>