You probably need to delete the userPassword attribute?  

From: Dino Edwards <dino.edwards@mydirectmail.net>
Sent: Thursday, February 27, 2025 8:51 AM
To: 'Quanah Gibson-Mount' <quanah@fast-mail.org>; openldap-technical@openldap.org
Subject: [EXTERNAL] RE: OpenLDAP Pass-through Authentication

> It won't work as explicitly stated in the manual page: > "If the userPassword is present, authentication is performed locally" The userPassword field is absolutely empty. I don't know why it shows the ": " column there, but Apache Directory

> It won't work as explicitly stated in the manual page:
> "If the userPassword is present, authentication is performed locally"
 
The userPassword field is absolutely empty. I don't know why it shows the
":" column there, but Apache Directory Studio is showing "Empty password" in
the userPassword attribute.