XAF: Multi-Tenancy

Overview

XAF (v24.2+) built-in multi-tenancy for SaaS apps. One deployed instance serves multiple independent organizations (tenants) with strict database isolation (separate DB per tenant).

Key characteristics:

• Blazor Server (ASP.NET Core) — primary supported platform
• Two operating modes: Host UI (tenant management) and Tenant UI (tenant data)
• Tenant connection strings stored in the host database
• Built-in tenant resolver infrastructure

Approaches