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Fortinet FortiAuthenticator vs Microsoft Sentillion eXpresso comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Fortinet FortiAuthenticator
Ranking in Single Sign-On (SSO)
10th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
65
Ranking in other categories
Authentication Systems (5th), Identity Management (IM) (14th), Multi-Factor Authentication (MFA) (2nd)
Microsoft Sentillion eXpresso
Ranking in Single Sign-On (SSO)
25th
Average Rating
9.0
Reviews Sentiment
7.7
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Single Sign-On (SSO) category, the mindshare of Fortinet FortiAuthenticator is 3.8%, down from 5.5% compared to the previous year. The mindshare of Microsoft Sentillion eXpresso is 1.4%, up from 0.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Single Sign-On (SSO) Mindshare Distribution
ProductMindshare (%)
Fortinet FortiAuthenticator3.8%
Microsoft Sentillion eXpresso1.4%
Other94.8%
Single Sign-On (SSO)
 

Featured Reviews

reviewer2848395 - PeerSpot reviewer
Technical Business Development Manager at a outsourcing company with 501-1,000 employees
Multi-factor security has improved device protection but still needs broader application coverage
Fortinet FortiAuthenticator could be improved in its cost structure. Although it is not expensive, other solutions offer more value for less money. Cisco Duo provides better value in this regard and connects to web applications much more easily, scaling effectively in that sense. While I have never used Cisco Duo to secure other devices in IoT environments, I know Cisco Duo is capable of doing so, whereas Fortinet FortiAuthenticator cannot. Additionally, Cisco Duo is also cheaper. These are the main reasons why we switched away from Fortinet FortiAuthenticator, as it was very limited compared to other solutions available. Fortinet FortiAuthenticator was primarily missing the ability to scale to web applications.
reviewer2133219 - PeerSpot reviewer
Information Technology Manager at a engineering company with 10,001+ employees
Offers robustness and ease of use
The product improves our organization's daily healthcare tasks since the use of the tool reduces a lot of support calls, and its users remember many passports that keep on changing. Writing down the passwords somewhere would compromise the security of the system. In our company, the product streamlines access to critical applications and makes it more secure. The management of the system becomes easy with the product. With the product, you can also decide on the strength of the policy you need for your environment. It also helps in the area of authentication credentials. With the product in place, users need to remember fewer passwords, which makes an organization's environment much more secure. The product has improved productivity in the sense that users are now able to manage the tool on their own without having to wait for IT support. IT teams also have to handle fewer support calls and can focus on more value addition in other areas. I recommend the product to others who plan to use it. I suggest that it is always better to use the product's SSO capabilities since it provides security. With SSO capabilities, if you can use multi-factor authentication, you can add a second layer of security to make your system safer and free from attacks. The product's integration capabilities with existing healthcare infrastructure are good. The secure access provided by the product has helped all the applications in our company where security is required. I rate the tool a nine out of ten.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"I really like the two-step authentication, it provides a higher level of security that we didn't have previously."
"The implementation has significantly improved access management within our organization."
"I work a lot with Fortinet products and I call the support often. They are very quick to respond and the support is very good."
"FortiAuthenticator centralizes the management and storage of user identity information, thereby increasing the efficiency of administration and increasing the control over who accesses the network."
"The initial setup is so easy and there is no problem in the implementation."
"The product’s most valuable feature is integration with FortiGate, FortiToken, FortiTalk, and multi-factor authentication."
"This is a very important product if a company wants to use a VPN."
"We are using Fortinet FortiAuthenticator to implement token-based authentication for wireless network access."
"The most valuable features of the solution are its ease of use and its robustness."
"Security is the best feature of Microsoft Azure Sentinel. It has its own base security. Our customers like that the security is available in Azure."
"The badge reader add-on that allows configuration where a doctor or nurse only has to enter the primary password once per shift is very helpful."
 

Cons

"I have had stability issues with FortiAuthenticator."
"Lacks a simplified two-factor authentication process."
"The GUI has some shortcomings and can be made better. The GUI is not great."
"For improvement, Fortinet needs to ensure that they provide quick support to users...Fortinet sometimes needs to respond to users facing issues within an hour."
"Up to now, I would not recommend FortiAuthenticator to others yet as I have ongoing transitions and evaluations."
"The speed of deployment on the cloud could be improved. It took a few days when it should have been just two days."
"A better integration with other vendors."
"The technical support is mid-range; it's not your wow kind of support, and they're not really there when it comes to support."
"The shortcomings in the stability need improvement."
"We had some feedback from customers who have said it was a confusing product. The product is confusing to use for the end-user. For example, they do not know how to migrate the Azure Sentinel, but others have liked the product that has started working on it."
"There were error messages and application actions when the connection to the appliance was disrupted."
"We had some feedback from customers who have said it was a confusing product."
 

Pricing and Cost Advice

"I rate the product price as two or three on a one-to-ten scale, where one is expensive, and ten is cheap."
"I would start off with a VM including the base license and scale according to the number of users you need to authenticate."
"The platform provides a user-based pricing model rather than a subscription pricing model."
"It is usually cheap. Without a license, you can use some basic features. You can buy a 20-year license and implement the solution once."
"I rate the price of Fortinet FortiAuthenticator a three out of five."
"The platform is cost-effective as it does not require a separate license for SD-WAN functionality."
"FAC is an affordable solution for Middle Range (200E/400E) and also needs a package of mobility agents (2,000) perpetual."
"The pricing is fair."
"Users need to pay either annually or on a multi-year basis towards the licensing costs of the product."
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Top Industries

By visitors reading reviews
Manufacturing Company
11%
Comms Service Provider
11%
Outsourcing Company
9%
Construction Company
9%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise19
Large Enterprise11
No data available
 

Questions from the Community

What needs improvement with Fortinet FortiAuthenticator?
Fortinet can make Fortinet FortiAuthenticator better by having a cloud version of it. Currently, Fortinet FortiAuthenticator is only available for on-premises, and it is an on-premises solution. It...
What is your primary use case for Fortinet FortiAuthenticator?
Fortinet FortiAuthenticator is primarily used for authenticating admin users, including remote admin use cases. Remote admin use cases utilize Fortinet FortiAuthenticator to securely authenticate a...
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Also Known As

FortiAuthenticator
Sentillion eXpresso, MS Sentillion eXpresso
 

Overview

 

Sample Customers

Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Dartmouth-Hitchcock Medical Center, NHS GGC, Nantes University Hospital Center, Fullerton Healthcare Group
Find out what your peers are saying about Fortinet FortiAuthenticator vs. Microsoft Sentillion eXpresso and other solutions. Updated: September 2026.
915,287 professionals have used our research since 2012.