01
Editions: Standard vs Enterprise
SharePoint Server 2019 ships in two editions. Standard includes content publishing, collaboration sites, workflow, search and the modern UI. Enterprise adds Business Connectivity Services, Power BI Report Server integration, Excel Services / Office Web Apps Server connectivity for richer browser-based document handling, InfoPath Forms Services (legacy), Visio Services, and richer reporting and BI integration. Enterprise is licensed per-server, and the matching Enterprise CAL is required for every user that touches the Enterprise feature surface (in addition to the base Standard CAL).
02
Per-server licensing and CALs
SharePoint Server is licensed per server (one licence per running OSE) plus a Client Access Licence per user or device. Standard CALs cover the core collaboration and publishing surface. Enterprise CALs are additive to Standard CALs and unlock the Enterprise feature set. Anonymous public-facing publishing — running an Internet-facing site for unknown anonymous users — is no longer covered by CALs (it was covered in older editions via the Internet Sites SKU, which was discontinued); modern guidance is to host public-facing content on Azure or SharePoint Online and reserve SharePoint Server for internal collaboration. Service accounts (search crawler, workflow service) do not require CALs.
03
Support timeline and the SE upgrade
Mainstream support for SharePoint Server 2019 ended in 2024 and extended support ended on 14 July 2026. It now receives no security updates, fixes or compatibility work. SharePoint Server SE (Subscription Edition) shipped in late 2021 and continues to receive rolling updates with a subscription licensing model. In-place upgrade from 2019 to SE is supported; the database schema migrates automatically and customisations carry forward in most cases (the Modern UI is identical between 2019 and SE, so the visual change is minimal). SE is the supported destination for estates that need to remain on-prem.
04
Hybrid with SharePoint Online
Hybrid configurations let SharePoint Server 2019 share search results, taxonomy, BCS, OneDrive for Business storage and following with SharePoint Online. The most common deployment is OneDrive Hybrid (redirect 'My Site' to OneDrive for Business in M365) plus Hybrid Search (federated search across on-prem and cloud content). For many estates, hybrid is the bridge that eventually leads to full migration: content gradually moves to SharePoint Online while the on-prem farm shrinks toward retirement.
05
Operational realities through 2026
Since 14 July 2026, SharePoint Server 2019 no longer receives security updates. The cumulative-update cadence has slowed dramatically; integration with Microsoft 365 services has frozen at the 2024 baseline. Estates that have not started a migration plan now face an urgent choice: in-place upgrade to SharePoint Server SE (preserving on-prem architecture but adopting subscription licensing) or migration to SharePoint Online (operationally cleaner but requires re-architecting customisations that depend on full-trust solutions, classic publishing or Designer workflows). Either path takes longer than most stakeholders expect.