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Fortinet FortiAuthenticator vs Microsoft Active Directory comparison

 

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:
 

ROI

Sentiment score
5.4
Fortinet FortiAuthenticator improved security and compliance, yet financial gains are hard to quantify with some citing reduced costs.
Sentiment score
5.0
Microsoft Active Directory enhances productivity by streamlining user management and access control, providing significant time and cost savings.
It enhances security by ensuring only the right person can access systems, even if their login credentials are compromised.
The solution is really time-saving since I don't need to create users in each server or system manually, and user access control is streamlined.
 

Customer Service

Sentiment score
6.8
Fortinet FortiAuthenticator offers generally responsive support with some variance in effectiveness based on complexity and local availability.
Sentiment score
5.7
Microsoft Active Directory support quality varies; users experience mixed results influenced by representatives' skills and response times.
At times, some technical staff lack knowledge, which delays issue resolution.
Technical support from Fortinet deserves a rating of 10.
Customer service and support are excellent.
Support documents are available on the internet in every language.
Sometimes support takes long to engage and resolve, extending over weeks or even months.
 

Scalability Issues

Sentiment score
7.7
Fortinet FortiAuthenticator offers scalable user capacity and integrates well, though minor manual adjustments may be needed.
Sentiment score
6.0
Microsoft Active Directory is scalable, adaptable for diverse users, and effective for organizations of all sizes with Azure integration.
The scalability of FortiAuthenticator is good, and I would rate it an eight on a scale of one to ten.
I find Fortinet FortiAuthenticator to be highly scalable, and I would rate it an eight out of ten for scalability.
Fortinet FortiAuthenticator should be sufficiently scalable.
Microsoft Active Directory scales effectively; I don't foresee any issues with that at all.
 

Stability Issues

Sentiment score
7.4
Fortinet FortiAuthenticator is generally stable, though hardware defects and syncing issues affect performance in high-volume environments.
Sentiment score
6.2
Microsoft Active Directory is stable and reliable, with high ratings, minor issues, praised scalability, and requires proactive growth planning.
It remains stable even when the number of concurrent users increases.
I've been working with Microsoft Active Directory for over 3 years, and we've had no problems.
With multiple domain controllers, stability is ensured.
 

Room For Improvement

Fortinet FortiAuthenticator needs improved usability, integration, support, affordability, customization, and stability for better user authentication efficiency.
Microsoft Active Directory requires improved integration, security, synchronization, usability, scalability, and support to better serve organizational needs.
For example, authentication for wireless users expires after 24 hours, requiring re-authentication daily.
I recommend Fortinet make its images migratable between environments.
I would like to see more integration and inclusion of features for ransomware protection directly within the FortiAuthenticator without requiring additional devices.
Sometimes, it can be overly complicated, and when you apply Group Policy in an Active Directory environment, sometimes those settings apply and sometimes they don't.
Microsoft Active Directory Federation Services is very difficult for on-premises solutions, while for the cloud solution, it's very easy.
Exporting and verifying group memberships require command line scripts, which isn't simple.
 

Setup Cost

Fortinet FortiAuthenticator is praised for its affordable, straightforward user-based pricing, especially compared to Cisco solutions.
Active Directory costs differ by organization, often moderate to high, with cloud solutions like Azure reducing expenses for some.
Fortinet FortiAuthenticator is not overly expensive compared to other Fortinet subscriptions.
For the cloud solution in our region, the pricing of Microsoft Active Directory is very high.
I consider Microsoft Active Directory expensive because if you buy this thing bundled with the Windows Directory Server, you get five user licenses for about a thousand euros, or a little bit less than this.
The pricing, setup cost, and licensing with Microsoft Active Directory is straightforward; you just buy the server and then have to buy the user CALs.
 

Valuable Features

Fortinet FortiAuthenticator offers easy setup, cost-effectiveness, strong integration, detailed logging, and flexible two-factor authentication options.
Microsoft Active Directory provides integration, scalability, access control, and security, making it vital for large organizations seeking efficient management.
The integration with FortiToken is outstanding, adding a layer of security for authentication.
We use multi-factor authentication for enhancing security.
The most valuable feature I find in FortiAuthenticator is web filtering.
These Group Policies provide enhancement, helping to reduce administrative overhead and enhance productivity.
The features and capabilities of Microsoft Active Directory that I have found the most valuable over the years are that it is a mature technology, it's stable, and it delivers what it promises.
If I change a password or need to reset a password, the information propagates relatively quickly, and the structuring inside is easy to understand and use.
 

Categories and Ranking

Fortinet FortiAuthenticator
Ranking in Single Sign-On (SSO)
6th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
62
Ranking in other categories
Authentication Systems (3rd), Identity Management (IM) (8th), Multi-Factor Authentication (MFA) (1st)
Microsoft Active Directory
Ranking in Single Sign-On (SSO)
8th
Average Rating
8.6
Reviews Sentiment
6.5
Number of Reviews
46
Ranking in other categories
Active Directory Management (5th)
 

Mindshare comparison

As of September 2025, in the Single Sign-On (SSO) category, the mindshare of Fortinet FortiAuthenticator is 5.7%, down from 8.2% compared to the previous year. The mindshare of Microsoft Active Directory is 3.2%, up from 2.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Single Sign-On (SSO) Market Share Distribution
ProductMarket Share (%)
Fortinet FortiAuthenticator5.7%
Microsoft Active Directory3.2%
Other91.1%
Single Sign-On (SSO)
 

Featured Reviews

Yonas Abebe - PeerSpot reviewer
Integration capabilities simplify authentication and migration challenges need addressing
The integration capabilities of Fortinet FortiAuthenticator are very interesting, as it can be integrated with third-party devices easily and is straightforward to configure. The integration with FortiToken is outstanding, adding a layer of security for authentication. In addition, it can be used by integrating with zero trust single access, enhancing overall security measures.
Giovanni Baruzzi - PeerSpot reviewer
Mature technology delivers consistent capability and enhances centralized user management
I think Microsoft Active Directory could be more intuitive. My impression of the integration of Microsoft Active Directory with third-party applications is that it can be made better. It's not the tendency of Microsoft to use a standard, but to modify it to their needs. This is catastrophic if you have to integrate other applications that use the same standard. This creates a major problem, so you have to be very careful and implement step by step, knowing that the partner is Microsoft. I would leave Microsoft Active Directory as it is and build possibly interfaces. For example, there is a provisioning protocol standard named SCIM. It seems that Microsoft Active Directory does not yet have a SCIM interface, which is a problem.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
10%
Government
7%
Financial Services Firm
7%
Financial Services Firm
13%
Computer Software Company
11%
Manufacturing Company
10%
Retailer
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise17
Large Enterprise10
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise6
Large Enterprise20
 

Questions from the Community

What is your experience regarding pricing and costs for Fortinet FortiAuthenticator?
Fortinet FortiAuthenticator is not overly expensive compared to other Fortinet subscriptions. However, it would be beneficial if the licensing allowed for more flexibility to cover additional users.
What needs improvement with Fortinet FortiAuthenticator?
The area for improvement in Fortinet FortiAuthenticator is its price.
What do you like most about Microsoft Active Directory?
The solution is easy to install and has good reliability.
What needs improvement with Microsoft Active Directory?
I haven't explored all the features of Microsoft Active Directory yet, as I'm still learning and exploring all the options within the platform. There is one minor improvement I can suggest. Sometim...
What is your primary use case for Microsoft Active Directory?
I use Microsoft Active Directory when I need to perform password resets, account unlocks, add users to groups, create users, disable accounts, set account expirations, check memberships, or add lic...
 

Also Known As

FortiAuthenticator
No data available
 

Overview

 

Sample Customers

Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Information Not Available
Find out what your peers are saying about Fortinet FortiAuthenticator vs. Microsoft Active Directory and other solutions. Updated: September 2025.
867,370 professionals have used our research since 2012.