> Source: [sk184470](https://support.checkpoint.com/results/sk/sk184470)

# sk184470 - LDAP authentication fails with CA value in the LDAP Account Unit

| Property | Value |
|----------|-------|
| Solution ID | sk184470 |
| Date Created | 2025-12-29 |
| Last Modified | 2026-01-01 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82 |
| OS | Gaia |

## Symptoms

- * Remote Access VPN/Identity Awareness authentication with LDAP fails.

* Connectivity to the LDAP server on port 389 works properly.

* You entered values manually under LDAP Account Unit \> Server \> Encryption tab.

* PDPD and IKED logs in the *$FWDIR/log/* directory show "`parseDnCA`" errors, for example:  

  `
  "BDecLen: length exceeds buffer"`

## Cause

Incorrect CA or Server Name values under the Encryption tab cause LDAPS handshake failure.

## Solution

This solution requires authentication. Please log in to view the full solution.

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