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AWS IAM Identity Center vs Microsoft Entra External ID comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 2, 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
6.7
AWS IAM Identity Center boosts ROI by enhancing efficiency, security, cost management, and user experience through improved access control and auditing.
Sentiment score
4.3
Users faced a learning curve with Microsoft Entra External ID but gained productivity and returns despite higher costs.
The return on investment includes operational efficiency gains, security risk reduction, compliance with regulations, improved user experience, productivity benefits, reduced overhead, and better security posture.
We have achieved significant time efficiencies with AWS IAM Identity Center.
It has led to cost savings as well as time savings because I can use a single solution for all applications.
Companies can leverage it for setting up external identities without needing to develop their own solutions.
In terms of return on investment, prior to using this product, our company managed our own mail server with all internal authentication happening on premises, resulting in a ROI in the thousands every year.
 

Customer Service

Sentiment score
6.5
AWS IAM Identity Center offers effective, prompt support with comprehensive documentation, though a live chat option is desired.
Sentiment score
4.3
Microsoft Entra External ID customer support is mixed, with inconsistencies in response times, accessibility, and communication effectiveness.
AWS provides immediate solutions and assistance whenever needed, especially if issues arise that cannot be handled internally.
They are prompt, keep you updated, and provide excellent assistance.
AWS offers better assistance plans for their services.
Companies without a Microsoft license for Entra ID or Azure portal cannot add Azure AD B2C, creating logistical issues for some of my clients who are unable to evaluate the platform.
The support for business applications, infrastructure support, and Entra has been mostly positive with highly skilled technicians.
The documentation is very thorough, reducing the need for support.
 

Scalability Issues

Sentiment score
7.7
AWS IAM Identity Center efficiently manages large user bases and permissions, supporting organizational growth and integrating with AWS Organizations.
Sentiment score
7.0
Microsoft Entra External ID is praised for scalability and security but criticized for limited authentication options and increased latency.
AWS Identity Center successfully supports scalable deployments, allowing additional resources as the company grows.
The scalability of AWS IAM Identity Center is excellent.
It can handle both a small number of users and a bigger number of users efficiently.
This is one of EID's weak points compared to Azure AD B2C, which offers customizable authentication options, including attribute and password combinations.
End-user workloads experience increased latency in a cloud environment compared to on-premises resources.
Microsoft Entra External ID is quite scalable, and I would rate its scalability between eight and nine out of ten.
 

Stability Issues

Sentiment score
8.0
AWS IAM Identity Center is praised for its reliability and efficiency, with consistent performance and 99.96% uptime.
Sentiment score
5.7
Microsoft Entra External ID is rated highly for stability, reliable and glitch-free except during major disruptions like cloud incidents.
There can be issues if there is an outage on AWS's side, which could prevent logging in because your region might be down, affecting the Identity Center's availability.
It offers 99.96% uptime.
Stability-wise, it is functioning well without any outages or crashes.
I'd rate the stability of the Microsoft Entra External ID as a 10.
The stability of this solution is very good.
I have not encountered any stability issues with Microsoft Entra External ID.
 

Room For Improvement

AWS IAM Identity Center needs enhancements in user interface, integration, flexibility, security, automation, and comprehensive documentation.
Microsoft Entra External ID struggles with high costs, limited features, and slow synchronization, needing better integration and UI improvements.
Having a lot of users on one instance is hard to configure, so I hope for more flexibility and ease in configuration.
Enhancements could include automation tools or a centralized dashboard for managing roles and policies across multiple accounts, simplifying the process.
When configuring it with third-party tools, like Active Directory, the naming convention of permission sets requires careful attention, which can be confusing.
This is particularly challenging during enterprise agreement renewals, as it's difficult for customers to review costs leading to lengthy negotiations.
Enhanced customizable login options and the ability to use attribute password logins are critical features that are required for Microsoft Entra External ID to gain dominance in the authentication market.
I would like to see a more detailed alert system that provides a summary of why alerts are generated, who is generating them, and the reasons behind it.
 

Setup Cost

AWS IAM Identity Center is cost-effective, offering free basic features, while advanced features may require budget planning.
Microsoft Entra External ID pricing is complex and potentially expensive, with varying costs and limitations on specific licenses.
AWS IAM Identity Center is available as a free service by default.
It is not that expensive, rated at three out of ten for costs.
Pricing for AWS IAM Identity Center is very affordable, rated at two out of ten with one being cheap.
Regarding pricing, the cost seems high for single sign-on, especially for external applications like Oracle.
Microsoft's pricing is complex and difficult to fathom due to a range of different licensing options.
The cost can be a factor for Microsoft Entra External ID, but in general, it offers a scalable and efficient solution compared to deploying individual solutions.
 

Valuable Features

AWS IAM Identity Center offers centralized access control, enhanced security, and automated role management for efficient and secure cloud operations.
Microsoft Entra External ID simplifies integration, enhances security with federated identities, and supports seamless hybrid environments and efficient user management.
It provides the least privilege-based access control, which limits users to only the operations they need to perform without interfering with unrelated configurations.
These features allow for excellent micro-level control over resources, ensuring specific permissions are granted.
Its valuable features include granular access control, allowing precise control over who can access specific AWS resources and under what conditions using JSON-based policies.
It is crucial for hybrid environments, especially for integrating existing on-site infrastructures with cloud-based Active Directory, such as in Office 365 implementations.
EID unifies workforce users with external business partners, which is a very strong feature.
Microsoft's reliability in providing a clear roadmap for the solution is very important, especially at a time when cybersecurity is a risk in every company.
 

Categories and Ranking

AWS IAM Identity Center
Ranking in Identity and Access Management as a Service (IDaaS) (IAMaaS)
7th
Average Rating
8.8
Reviews Sentiment
7.2
Number of Reviews
11
Ranking in other categories
Single Sign-On (SSO) (8th)
Microsoft Entra External ID
Ranking in Identity and Access Management as a Service (IDaaS) (IAMaaS)
10th
Average Rating
7.6
Reviews Sentiment
5.8
Number of Reviews
13
Ranking in other categories
Customer Identity and Access Management (CIAM) (5th), Microsoft Security Suite (21st)
 

Mindshare comparison

As of July 2025, in the Identity and Access Management as a Service (IDaaS) (IAMaaS) category, the mindshare of AWS IAM Identity Center is 1.4%, up from 0.4% compared to the previous year. The mindshare of Microsoft Entra External ID is 1.9%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Identity and Access Management as a Service (IDaaS) (IAMaaS)
 

Featured Reviews

Khaled Saidi - PeerSpot reviewer
Manage cloud security with granular access control and enhanced authentication
Managing IAM in complex environments can be challenging, and there are several areas for improvement. First, incorporating automation tools or a centralized dashboard for managing roles and policies across multiple accounts would simplify administration, especially for large organizations. Additionally, policy debugging and validation could be more streamlined, as troubleshooting misconfigurations can be time-consuming and prone to errors. A more robust error messaging system or a dedicated debugging tool would be beneficial. Another area for improvement is temporary access credentials. AWS documentation should offer more detailed guidance on edge cases and exceptions, along with clearer examples of how to handle various scenarios. Lastly, enhanced session-level policies that are more context-sensitive and based on specific conditions (such as IP address, device, or time) would greatly increase flexibility and allow for more granular control over user sessions.
Corrado Vigano - PeerSpot reviewer
Solution integrates well with existing systems while being easy to use
The fact that it is quite integrated into the entire Microsoft environment makes it quite easy to use. Furthermore, Microsoft's reliability in providing a clear roadmap for the solution is very important, especially at a time when cybersecurity is a risk in every company. The solution is easy to reuse and not difficult to find expertise for in the market because it is widespread. It is gaining attention even from partners and from the market on the offering side. This serves as a good starting point for customers who can develop internal competence on the solution. Additionally, the presence of reliable partners who know the solution and can provide internal knowledge is the best aspect for them.
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Computer Software Company
11%
Manufacturing Company
10%
Performing Arts
8%
Computer Software Company
17%
Financial Services Firm
10%
Manufacturing Company
9%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about AWS IAM Identity Center?
The product is easy for beginners to learn and use.
What is your experience regarding pricing and costs for AWS IAM Identity Center?
AWS provides the lowest pricing among other service providers like Azure, Google, Oracle. It is cost-effective, and they use a pay-as-you-go model.
What needs improvement with AWS IAM Identity Center?
There are new AI features coming to AWS that are easy and simple to use. However, focusing on further allowing customization and flexibility in developing solutions as a solution architect or devel...
What is your experience regarding pricing and costs for Microsoft Entra External ID?
Concerning the pricing or setup costs for Microsoft Entra External ID, based on my experience with Entra and 365 in general, it shouldn't require a whole education on their software. That's been a ...
What needs improvement with Microsoft Entra External ID?
I have not utilized the adaptive authentication feature of Microsoft Entra External ID. Previously there was a question about adaptive authentication, and this is the first time I am hearing about ...
What is your primary use case for Microsoft Entra External ID?
I have experience with these products, and currently, we are using them in our organization. Regarding Auto-GPT, it was only a POC. I mainly work with Microsoft products in our system because we ha...
 

Also Known As

AWS Single Sign On, AWS SSO
Azure Active Directory External Identities
 

Overview

 

Sample Customers

Expedia, Intuit, Royal Dutch Shell, Brooks Brothers
Information Not Available
Find out what your peers are saying about AWS IAM Identity Center vs. Microsoft Entra External ID and other solutions. Updated: July 2025.
863,901 professionals have used our research since 2012.