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CSA Loom — the Microsoft Fabric experience for Azure tenants where Fabric isn't yet available: lakehouses, warehouses, notebooks, semantic models, Activator rules, Data Agents, across Commercial, GCC, GCC-High, and DoD IL5

Admin Portal — Tenant Settings (/admin/tenant-settings) — Parity Gap

Validator: v2 fabric-parity-loop · 4-phase check
Run date: 2026-05-26
Fabric reference: Fabric admin portal → Tenant settings (the single largest admin surface in Fabric)
Loom URL: https://loom-console-fvbbctd4eehqbkcs.b02.azurefd.net/admin/tenant-settings

Captures

Loom Fabric
Live capture blocked by session expiry; structure from apps/fiab-console/app/admin/tenant-settings/page.tsx Microsoft Learn — https://learn.microsoft.com/fabric/admin/tenant-settings-index (full markdown fetched, parsed below)

Phase 1 — What Fabric provides (authoritative count)

Fetched the official tenant-settings-index page from Microsoft Learn and parsed it programmatically. Result:

  • 25 categorized sections in Fabric Tenant settings:
  • Microsoft Fabric
  • Help and support settings
  • Workspace settings
  • Information protection
  • Export and sharing settings
  • Discovery settings
  • Integration settings
  • Power BI visuals
  • R and Python visuals settings
  • Audit and usage settings
  • Dashboard settings
  • Developer settings
  • Admin API settings
  • Gen1 dataflow settings
  • Template app settings
  • Q&A settings
  • Advanced networking
  • User experience experiments
  • Share data with your Microsoft 365 services
  • Insights settings
  • Datamart settings
  • Scale-out settings
  • OneLake settings
  • Git integration

  • Copilot and Azure OpenAI Service

  • ~160 individual toggle / setting rows across those 25 sections (count from parsing the table rows; some sections contain >20 toggles e.g. "Microsoft Fabric" and "Export and sharing settings"; some have 2-3).

Each toggle has: - Title + (link to learn-more docs page) - Description text - Enabled / Disabled switch - Apply to: Entire organization / Specific security groups / Except specific groups - For some: parameter inputs (e.g. "Define maximum number of Fabric identities" takes an int; "Define workspace retention period" takes days) - Audit log entries on every change (UpdatedAdminFeatureSwitch and similar) - Some toggles can be delegated to capacity-admin or domain-admin level - Search box at the top to filter across all 25 sections

Phase 2 — What Loom provides

Source: apps/fiab-console/app/admin/tenant-settings/page.tsx (15 lines total, including imports and JSX):

export default function TenantSettingsPage() {
  return (
    <AdminShell sectionTitle="Tenant settings">
      <EmptyState icon="⚙"
        title="Loom tenant switches"
        body="Per-area toggles that control what Loom surfaces across the tenant: OneLake, Real-Time Intelligence, AI & Copilot, Mirroring, Synapse passthrough, Databricks passthrough, ADF passthrough, U-SQL legacy enablement, Git integration, Domain management, Information protection, Export & sharing, Help & support, Billing connections (Azure Cost Management hookup for the Capacity page), Purview account binding (for the Governance portal embed)." />
    </AdminShell>
  );
}

A single EmptyState. Zero categories. Zero toggles. Zero input fields. No persistence layer. No backend route (apps/fiab-console/app/api/admin/tenant-settings/ does not exist). No Cosmos container. No bicep module.

The body text lists ~15 categories that the page would control, but none are rendered.

Phase 3 — Gap matrix (counting)

Dimension Fabric Loom Severity
Number of categorized sections 25 0 BLOCKER
Number of individual toggle rows ~160 0 BLOCKER
Per-toggle "Apply to" scope (org / security group / except group) Yes (every toggle) Absent BLOCKER
Search bar across all toggles Yes Absent MAJOR
Persistence backend Fabric tenant ARM resource None — no Cosmos, no DB, no file BLOCKER
Audit-log emission on toggle change Yes (logged as UpdatedAdminFeatureSwitch) Absent BLOCKER
Delegation to capacity-admin / domain-admin Yes (selected toggles) Absent MAJOR
Honest MessageBar disclosing none of this is implemented + how to set the env-var equivalents Absent — instead the body lists 15 categories as if the UI could control them MAJOR

Loom delivers 0% of Fabric's tenant-settings surface area — both in terms of categories (0/25) and individual toggles (0/~160).

Phase 4 — Functional verification

No interactive controls. The page text promises a switchboard; none of the switches exist.

Grade: F

  • This is the single biggest vaporware violation in the admin portal, by area. Fabric exposes 160+ toggles across 25 categories. Loom shows promotional copy and nothing else.
  • Per .claude/rules/no-vaporware.md — "Tabs that show static content" + "What's explicitly forbidden — Pre-configured / hard-coded UI values that look like real data but aren't" both apply. The page text implies Loom has tenant-level toggles. It does not.
  • For a B-grade fix: implement at least the Loom-specific tenant toggles the body promises (OneLake / RTI / AI&Copilot / Mirroring / Synapse / Databricks / ADF / U-SQL legacy / Git / Domains / Info protection / Export & sharing / Help & support / Billing connections / Purview binding) — that's a loom-tenant-settings Cosmos container + /api/admin/tenant-settings GET/PATCH + a Fluent form. Probably 1-2 sessions of work.
  • For A-grade: replicate Fabric's full 25-section / 160-toggle structure with Apply to scoping. Not realistic without months of work.
  • Until either ships, this is F. Anyone reading the page text and seeing zero toggles is in vaporware territory.