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FortiAuthenticator

Plans and prices

FortiAuthenticator Cloud

Priced on request

100–499 users · 500–1,999 users · 2,000–9,999 users · 10,000+ users

FortiAuthenticator-VM Perpetual

Priced on request

Base license supports 100 users · stackable upgrades available · HA nodes require separate licenses

FortiAuthenticator-VM Subscription

Priced on request

100–999 users · 1,000–99,999 users · 100,000+ users

Every plan, in full

On the record

Authentication
It provides RADIUS, TACACS+, LDAP, and SAML authentication methods.docs.fortinet.com · read 4 Oct 2026
Certificate management
It can create and sign digital certificates, including for use with FortiGate VPNs.docs.fortinet.com · read 4 Oct 2026
Deployment
The product is offered as physical or virtual appliances, as well as a FortiAuthenticator Cloud service.docs.fortinet.com · read 4 Oct 2026
Free demo
Fortinet offers a free product demo covering user identification, single sign-on, two-factor authentication, identity sources, authentication methods, and the self-service portal.fortinet.com · read 4 Oct 2026
Integrations
It integrates with third-party RADIUS, LDAP, and SAML systems and offers a REST API for external provisioning systems.docs.fortinet.com · read 4 Oct 2026
License limits
For VM licenses, the licensed user limit applies to local and remote user accounts and concurrent FSSO sessions, while other configuration-object limits are derived from the user limit.docs.fortinet.com · read 4 Oct 2026
MFA
Two-factor authentication supports one-time passwords using FortiToken hardware, FortiToken Mobile, SMS, or email.docs.fortinet.com · read 4 Oct 2026
Purpose
FortiAuthenticator provides identity and access management services for Fortinet products and third-party devices.docs.fortinet.com · read 4 Oct 2026
Security
FortiAuthenticator encrypts its file system and uses AES256-CBC encryption for secrets that it needs to access in plaintext operations.docs.fortinet.com · read 4 Oct 2026
SSO and federation
FortiAuthenticator can act as a SAML SSO identity provider or proxy and as an OIDC provider for single sign-on.docs.fortinet.com · read 4 Oct 2026
Subscription dependency
A FortiAuthenticator-VM subscription requires internet access to update.fortiguard.net, and its services stop if license validation connectivity is lost for 30 days.docs.fortinet.com · read 4 Oct 2026
Support
FortiAuthenticator-VM perpetual licensing lists support contracts separately, while the ordering guide lists FortiCare Elite with VM subscriptions and FortiCare Premium with Cloud subscriptions.fortinet.com · read 4 Oct 2026
User identification
It can identify users through Active Directory, desktop clients, guest portal logon, RADIUS accounting, Kerberos, and a REST API.docs.fortinet.com · read 4 Oct 2026
VM platforms
The ordering guide lists FortiAuthenticator-VM subscription and perpetual license options, with upgrades to expand VM user support beyond the 100-user base license.fortinet.com · read 4 Oct 2026

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