Acumatica Modern UI Migration Services

📝 Real Project Story - Construction Client

A specialty subcontractor came to Envinse with 22 Classic UI custom screens - including a custom AIA billing screen and a subcontractor compliance tracker. Their VAR had quoted 6 months for the migration.

We audited all 22 screens in 3 days. 14 required full rebuilds, 6 were minor adaptations, 2 were retired as they duplicated native Acumatica 2025 R2 functionality.

We went live 8 weeks after engagement start - 4 months ahead of the VAR's estimate.

Why Migrate: Classic UI Deprecated in Acumatica 2026 R2

Two separate reasons - either one alone is sufficient to act now:

Acumatica 2026 R2 formally deprecates Classic UI - it will not receive new features, bug fixes, or support in future versions. Classic UI customizations built before 2025 R2 are affected.
Chrome and Edge are removing XSLT support - the technology Classic UI depends on for rendering. This may cause Classic UI screens to not render correctly in these browsers.
Migrating to Modern UI also unlocks AI Studio, anomaly detection, and AcuChat - all Modern UI only features in 2026 R1/R2.

Read our full breakdown of Acumatica 2026 R2 changes →

What the Modern UI Migration Involves

Migrating a Classic UI customization is not a simple upgrade. Each custom screen requires:

Audit - identify XSLT templates, business event handlers, and graph extensions used
Rebuild - reconstruct the screen layout using Acumatica's Modern UI ASPX framework and xRP graph architecture
Port business logic - from Classic UI handlers to Modern UI-compatible graph extensions
Re-map security - field-level security rules and role-based access controls
Test - regression test in development environment, then UAT in client test environment
Deploy - production deployment with rollback plan

Acumatica Modern UI Migration for VARs

If you are a VAR with multiple clients still on Classic UI, Envinse provides white-label migration services - we audit and migrate your clients' environments under your brand, full NDA, your documentation standards, production-ready delivery.

Learn more about white-label development for VARs →

Why Choose Envinse

Acumatica Gold Certified
Highest certification tier for development and implementation partners

Fixed-price quotes on every project
No hidden fees, no scope creep charges

Upgrade-safe code
Every build follows official xRP framework standards

AI Studio trained
Configured and deployed on Acumatica 2026 R1

White-label for VARs
Full NDA, your brand

24-hour response
Fixed-price quote after technical review

How We Work

1. InquiryDescribe your requirement. We respond within 24 hours.

2. Technical reviewWe assess your Acumatica configuration and scope the work.

3. Fixed-price quoteBinding, delivered after technical review. No surprises.

4. DevelopmentBuilt in sandbox with regular progress updates.

5. UATYou test in your environment before production deployment.

6. Go liveProduction deployment with rollback plan. 30-day support included.

Frequently Asked Questions

What is Acumatica Modern UI migration?

Acumatica Modern UI migration is the process of rebuilding Classic UI custom screens in the Modern UI framework. Classic UI uses XSLT-based rendering which is being deprecated by Acumatica in 2026 R2 and will be impacted by Chrome and Edge removing XSLT support. Each custom screen must be individually assessed, rebuilt in Acumatica's ASPX/xRP framework, tested, and deployed. It is not an automated upgrade.

How long does Acumatica Modern UI migration take?

Simple screen customizations migrate in 1–3 days. Complex custom modules with business logic, integrations, and multiple screens typically take 2–4 weeks. We audit every screen and provide a per-screen fixed-price quote before any work begins.

Will my Acumatica data be affected during Modern UI migration?

No. Modern UI migration involves the presentation and logic layer only - your Acumatica database, transactions, and core configuration are not touched. We always migrate in a development environment first and require UAT sign-off before any production deployment.

Why does Acumatica Classic UI stop working in Chrome?

Chrome and Edge are removing XSLT support - the browser technology that Acumatica Classic UI depends on to render screens. This is a browser-level change by Google, not an Acumatica decision. Additionally, Acumatica itself is deprecating Classic UI from 2026 R2. Both issues together mean Classic UI customizations need to be migrated to the Modern UI framework.

Acumatica Modern UI Migration - Classic UI Deprecated in 2026 R2