FortiAuthenticator
FortiAuthenticator provides centralized authentication services for the Fortinet Security Fabric including multi-factor authentication, single sign-on services, certificate management, and guest management.
rbraha
Staff
Staff
Article Id 400575
Description

 

This article describe some issue faced when importing users using Remote User Sync Rule after upgrading FortiAuthenticator to v6.6.3.  

 

Scope

 

FortiAuthenticator v6.6.3.

 

Solution

 

After upgrading to FortiAuthenticator v6.6.3, users with special characters like brackets, (), <>, in their attributes cannot be imported through a remote user sync rule, with this error:

 

Figure 1. Remote UsersFigure 1. Remote Users

 

Raw Logs on FortiAuthenticator:

 

Log Details
Log Record Detail
ID 6923
Timestamp Fri Jul 05 16:09:25 2025
Level information
Action
Status
Source IP
Message Cannot add user from LDAP server forti.lab because of this error: Enter a valid value. This value may contain only English letters, international characters, numbers, and the following characters: & . + - _ , @
User
Log Type
Type Id 30303
Name LDAP User Sync
Sub Category System
Category Event
Description Logs events from a scheduled syncing of remote LDAP users

 

Remote users  can be imported manually, but when trying to enable One-Time Password (OTP) authentication, it is not possible with the same error:
Enter a valid value. This value may contain only English letters, international characters, numbers, and the following characters: & . + - _ , @@

 

Solution:

Upgrade to FortiAuthenticator v6.6.4 to resolve this problem.

 

Related document:

Resolved issues