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Action1 vs Windows Server Update Services: catalog facts
Action1	Windows Server Update Services
Freemium Free with all features for the first 200 endpoints; more endpoints are paid.	Free Included as a role in Windows Server at no extra cost.
Windows, macOS, Linux, Web	Windows, Self-hosted
Free for 200 endpoints with no feature limits Patches both the operating system and third-party applications	Built into Windows Server Central control over which Microsoft updates reach clients
Cloud-only; there is no self-hosted option Paid beyond 200 endpoints	Deprecated, with no new features planned Requires a Windows Server installation
Hosted service	Self-hosted
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.