Ultimate Multisite: Multi-Tenancy is a premium addon for Ultimate Multisite (WP Ultimo) that enables true multi-tenancy for WordPress Multisite networks.
= Key Features =
* **Network-level DB routing** — Per-request, per-site database isolation via a drop-in db-config.php overlay
* **Credential Store** — AES-256 sodium-encrypted storage for hosting provider API credentials (env/file/meta references)
* **Server Node Management** — Register and manage multiple server nodes with health monitoring and capacity tracking
* **Site Distribution** — Automatically distribute new subsites across server nodes based on configurable strategies
* **Site Migration** — Migrate existing subsites between server nodes with database and file transfer
* **Tenant Filesystem** — Per-tenant filesystem support with Local_Provider integration
* **Marketplace Catalog** — Entitlement-gated plugin install/uninstall via a managed marketplace
* **Privileged Sidecar Daemon** — Unix socket-based sidecar for privileged operations outside the web process
* **Static Site Serving** — Per-domain static filesystem class with WP-CLI static-site commands
* **WP-CLI Integration** — Tenant exec wrapper and static-site commands for devops workflows
* **Addon Sunrise** — Customer network override on early WordPress boot (sunrise.php)
* **12 Hosting Provider Integrations** — cPanel, Cloudways, RunCloud, GridPane, ServerPilot, Closte, Hestia, Enhance, Rocket.net, WP Engine, WPMUDEV, Cloudflare
* **Security Hardening** — MySQL grants auditor and cross-network query guard
* **Cross-Network User Sync** — Synchronise user accounts, roles, and passwords across distributed nodes
* **Single Sign-On (SSO)** — Token-based seamless authentication across distributed sites
* **REST API** — Full API for managing nodes, migrations, and remote sites programmatically