FortiAuthenticator
FortiAuthenticator provides centralized authentication services for the Fortinet Security Fabric including multi-factor authentication, single sign-on services, certificate management, and guest management.
Mohammed_Feroz
Article Id 394178
Description This article describes how to fix the fatal configuration error caused by an unrecognized keyword in TACACS+ configuration.
Scope FortiAuthenticator.
Solution

Upon configuration of TACACS+ on FortiAuthenticator, the following errors can be seen if the configuration includes any spaces in TACACS+ services, as this is known to crash the service. 

 

wauth tac_plus[49497]: Error Detected fatal configuration error. Exiting.
wauth tac_plus[49492]: Error /usr/etc/tacdb/tac_plus.cfg:134: Unrecognized keyword 'Auth' (user/group: Cisco_Level_15_Priv)

 

It is recommended to avoid space in TACACS+ service configuration.