Technology answer

Microsoft Active Directory Federation Services

63

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 80 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

63 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 34 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 27 Mar 2025, last discovered 2 Sept 2026.

Both denominators, and a third

Shares of the same 63each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Authentication and Identity

2,209,246

<0.01%

companies running anything in Single sign-on and identity providers

26,235

0.24%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Microsoft Active Directory Federation Services is rank 10 of 15 technologies in Single sign-on and identity providers.

Open as a segment

63 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-microsoft-active-directory-federation-services

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 2 Sept 2026

On‑premises identity federation and SSO service for Active Directory environments.

Active Directory Federation Services (AD FS) enables single sign‑on and identity federation between Active Directory and external applications. It is a Windows Server role from Microsoft used by enterprises to provide SAML/OAuth/OIDC authentication. Deployed on‑premises.

Kindproduct

VendorMicrosoft, microsoft.com

PathSecurity and Identity > Authentication and Identity > Single sign-on and identity providers

Slugmicrosoft-active-directory-federation-services

Deploymentself-hosted

Pricingenterprise, quote based

Open sourceno

First discovered2025-03-27

Last discovered2026-09-02

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerSingle sign-on and identity providersCompanies running anything in Single sign-on and identity providers, 26,235 of 54,527,857 in the index, and the technologies ranked in it.Category answerAuthentication and IdentityThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.