Unable to configure LDAP authentication #3513

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OVERLORD · 2026-02-05T06:56:38+03:00

OVERLORD commented

2026-02-05 06:56:38 +03:00

Originally created by @YonatanGolick on GitHub (Feb 16, 2023).

Attempted Debugging

I have read the debugging page

Searched GitHub Issues

I have searched GitHub for the issue.

Describe the Scenario

Hi guys,
I installed bookstack on an ubuntu 22.04 in my organization.
Now I am trying to configure ldap authentication (Windows active directory host).

AUTH_METHOD=ldap
LDAP_SERVER=<fqdn>:389
LDAP_BASE_DN="DN where all users are located"
LDAP_DN="DN of the service account created for bookstack"
LDAP_PASS="password"
LDAP_USER_FILTER=(&(sAMAccountName=${user}))
LDAP_VERSION=3
LDAP_ID_ATTRIBUTE=BIN;objectGUID
LDAP_EMAIL_ATTRIBUTE=mail
LDAP_DISPLAY_NAME_ATTRIBUTE=cn
LDAP_START_TLS=false

I know for a fact that the DN's are correct.
But when I try to log in I get the following error:

An Error Occurred
An unknown error occurred

Check what ldap version my DC is using got - 3
What am I doing wrong ?

Exact BookStack Version

v23.01.1

Log Content

No response

PHP Version

No response

Hosting Environment

Ubuntu 22.04 installed using the installation script.

Originally created by @YonatanGolick on GitHub (Feb 16, 2023). ### Attempted Debugging - [X] I have read the debugging page ### Searched GitHub Issues - [X] I have searched GitHub for the issue. ### Describe the Scenario Hi guys, I installed bookstack on an ubuntu 22.04 in my organization. Now I am trying to configure ldap authentication (Windows active directory host). ``` AUTH_METHOD=ldap LDAP_SERVER=<fqdn>:389 LDAP_BASE_DN="DN where all users are located" LDAP_DN="DN of the service account created for bookstack" LDAP_PASS="password" LDAP_USER_FILTER=(&(sAMAccountName=${user})) LDAP_VERSION=3 LDAP_ID_ATTRIBUTE=BIN;objectGUID LDAP_EMAIL_ATTRIBUTE=mail LDAP_DISPLAY_NAME_ATTRIBUTE=cn LDAP_START_TLS=false ``` I know for a fact that the DN's are correct. But when I try to log in I get the following error: ``` An Error Occurred An unknown error occurred ``` Check what ldap version my DC is using got - 3 What am I doing wrong ? ### Exact BookStack Version v23.01.1 ### Log Content _No response_ ### PHP Version _No response_ ### Hosting Environment Ubuntu 22.04 installed using the installation script.

OVERLORD added the 🐕 Support label 2026-02-05 06:56:38 +03:00

OVERLORD closed this issue

2026-02-05 06:56:42 +03:00

OVERLORD commented

2026-02-05 06:56:50 +03:00

@ssddanbrown commented on GitHub (Feb 16, 2023):

Hi @YonatanGolick,
Please follow our debugging documentation to find the detail that would be logged when that error message appears.

@ssddanbrown commented on GitHub (Feb 16, 2023): Hi @YonatanGolick, Please follow our [debugging documentation](https://www.bookstackapp.com/docs/admin/debugging/#error-log-file) to find the detail that would be logged when that error message appears.

OVERLORD commented

2026-02-05 06:56:54 +03:00

@ssddanbrown commented on GitHub (Mar 6, 2023):

Since there's been no follow-up I'll close this off.

@ssddanbrown commented on GitHub (Mar 6, 2023): Since there's been no follow-up I'll close this off.

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Reference: starred/BookStack#3513