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February 18, 2026 min readlotus notes modernization retiring

Lotus Notes Modernization: Retiring Legacy Insurance Workflows Forever

R
Replay Team
Developer Advocates

Lotus Notes Modernization: Retiring Legacy Insurance Workflows Forever

Every morning, thousands of insurance adjusters log into a system that was built before the iPhone existed. They navigate through a sea of grey "Domino" buttons, proprietary NSF database structures, and nested tables that haven’t been updated since the late 90s. This isn't just an aesthetic problem; it’s a massive operational risk. The talent pool capable of maintaining LotusScript is shrinking, while the complexity of modern insurance compliance is growing.

Lotus notes modernization retiring isn't just about moving to the cloud; it’s about finally breaking the cycle of technical debt that keeps insurance carriers tethered to expensive, on-premise hardware.

TL;DR: Manual Lotus Notes rewrites take 18-24 months and have a 70% failure rate. By using Replay, enterprise architects can utilize Visual Reverse Engineering to convert legacy video recordings into documented React code, slashing modernization timelines from years to weeks. This guide explores how to retire legacy insurance workflows while maintaining 100% logic parity and security.


The $3.6 Trillion Problem: Why Insurance is Stuck#

The global technical debt has reached a staggering $3.6 trillion. In the insurance sector, a significant portion of this debt is locked inside IBM/HCL Domino environments. These systems were the peak of collaborative software in 1995, but today they represent a "documentation vacuum."

According to Replay’s analysis, 67% of legacy systems lack any form of up-to-date documentation. When you attempt a lotus notes modernization retiring project, you aren't just fighting code; you are fighting the loss of institutional knowledge. The developers who wrote the original claims processing logic have retired, and the business analysts who understood the edge cases are long gone.

The Cost of Manual Modernization#

Traditionally, an enterprise modernization project follows a predictable (and painful) path:

  1. Discovery: 3-6 months of interviewing users.
  2. Documentation: 3 months of trying to map NSF forms to Jira tickets.
  3. Development: 12+ months of manual coding.
  4. Failure: 70% of these projects either exceed their timeline or fail entirely.

The industry standard for manual migration is roughly 40 hours per screen. For an insurance firm with 500+ unique forms and workflows, that is 20,000 man-hours—roughly $2.5M in labor before a single line of production-ready code is shipped.


Lotus Notes Modernization Retiring: The Visual Reverse Engineering Path#

Instead of digging through thousands of lines of archaic LotusScript, modern architects are turning to Visual Reverse Engineering.

Visual Reverse Engineering is the process of using AI to analyze video recordings of user workflows to automatically generate UI code, state management logic, and architectural documentation.

With Replay, you simply record a user performing a standard insurance task—like "Processing a Homeowners Claim"—and the platform’s AI Automation Suite breaks it down.

From NSF Forms to React Components#

When you record a session in Replay, the platform identifies the underlying patterns. It sees a "Policyholder Name" field not just as a text box, but as a reusable component within your new Design System.

Video-to-code is the process of converting these visual interactions into clean, documented TypeScript and React components that match your enterprise's modern brand guidelines.

Industry experts recommend a "record-first" approach to modernization because it captures the actual way employees use the software, rather than the way the 20-year-old manual says they should use it.


Technical Deep Dive: Mapping Legacy Logic to Modern React#

In a typical Lotus Notes environment, business logic is often buried inside "Buttons" or "Actions" using a mix of @Formulas and LotusScript. When lotus notes modernization retiring, you must extract this logic and move it into a modern, testable stack.

Here is an example of what a legacy insurance "Claim Validation" logic might look like in a modernized React environment generated by Replay’s Blueprints editor.

typescript
// Modernized Claim Validation Component // Generated via Replay Visual Reverse Engineering import React from 'react'; import { useForm } from 'react-hook-form'; import { z } from 'zod'; import { zodResolver } from '@hookform/resolvers/zod'; // Schema derived from legacy NSF field constraints const claimSchema = z.object({ claimId: z.string().min(1, "Claim ID is required"), policyNumber: z.string().regex(/^[A-Z]{3}-\d{6}$/, "Invalid Policy Format"), lossDate: z.date().max(new Date(), "Loss date cannot be in the future"), claimAmount: z.number().positive(), adjusterNotes: z.string().max(2000), }); type ClaimFormData = z.infer<typeof claimSchema>; export const InsuranceClaimForm: React.FC = () => { const { register, handleSubmit, formState: { errors } } = useForm<ClaimFormData>({ resolver: zodResolver(claimSchema), }); const onSubmit = (data: ClaimFormData) => { console.log("Submitting validated claim to modern API:", data); // Integration point for modernized REST API }; return ( <form onSubmit={handleSubmit(onSubmit)} className="p-6 bg-white rounded-lg shadow-md"> <h2 className="text-xl font-bold mb-4">Process Insurance Claim</h2> <div className="mb-4"> <label className="block text-sm font-medium">Policy Number</label> <input {...register("policyNumber")} className="mt-1 block w-full border rounded-md p-2" /> {errors.policyNumber && <span className="text-red-500 text-xs">{errors.policyNumber.message}</span>} </div> <button type="submit" className="bg-blue-600 text-white px-4 py-2 rounded"> Submit Claim </button> </form> ); };

This code isn't just a "pretty face." It includes validation logic (Zod) that mirrors the constraints found in the original Lotus Notes database, but in a format that modern developers can maintain.


Comparing Modernization Strategies#

When deciding on a path for lotus notes modernization retiring, it is helpful to look at the data. Replay has analyzed hundreds of enterprise workflows to compare manual rewrites against AI-assisted visual reverse engineering.

FeatureManual Rewrite (Status Quo)Replay Modernization
Time per Screen40+ Hours4 Hours
Average Project Timeline18-24 Months4-8 Weeks
Documentation QualityManual/InconsistentAutomated & Interactive
Risk of Logic LossHigh (Human Error)Low (Visual Parity)
Cost Savings0% (Baseline)70% Average
Tech StackOften fragmentedStandardized React/TS

As seen in the table, the efficiency gains aren't incremental—they are exponential. By reducing the "Time per Screen" from a week of work to a single afternoon, insurance companies can migrate entire departments in the time it used to take to migrate a single application.


The Replay Workflow: How It Works#

Replay is built around four core pillars that simplify the lotus notes modernization retiring process:

1. Flows (Architecture Mapping)#

Before you write code, you need to understand the journey. Replay's Flows feature allows you to map out complex insurance workflows—such as the multi-step approval process for a life insurance payout—simply by recording the steps. The AI then generates a flowchart of the application's state and logic.

2. Library (Design System Generation)#

One of the biggest hurdles in retiring Lotus Notes is the "UI Shock." Users are used to a specific layout. Replay's Library takes the recorded elements and converts them into a standardized Design System. This ensures that while the tech stack is modern, the user experience remains intuitive for long-term employees.

Learn more about building design systems from legacy code.

3. Blueprints (The Editor)#

The Blueprints editor is where the magic happens. It allows architects to inspect the generated React code alongside the original video recording. If a specific "Calculate Premium" button had a complex hidden formula in the legacy system, you can verify that the new React Hook performs the exact same calculation.

4. AI Automation Suite#

The AI doesn't just copy-paste; it refactors. It identifies redundant code patterns across different Lotus Notes databases and suggests consolidated components. This is crucial for insurance firms that might have 50 different versions of a "Client Contact" form across various regional offices.


Addressing Security in Regulated Industries#

For Financial Services, Healthcare, and Insurance, "the cloud" isn't always a simple answer. Modernizing these systems requires strict adherence to SOC2 and HIPAA standards.

According to Replay's analysis, security concerns are the #1 reason why lotus notes modernization retiring projects are delayed. To address this, Replay offers:

  • On-Premise Deployment: Run the entire modernization engine within your own firewall.
  • Data Masking: Automatically redact PII (Personally Identifiable Information) from screen recordings during the reverse engineering process.
  • Audit Trails: Every line of code generated is linked back to a specific timestamp in a recording, providing a 1:1 audit trail for compliance officers.

Read our guide on modernizing legacy UI in regulated environments.


Why Now is the Time to Retire Lotus Notes#

The "Technical Debt Tax" is increasing. Every year an insurance company stays on Domino, they pay for:

  1. Specialized Labor: Lotus Notes consultants charge a premium because they are a dying breed.
  2. Infrastructure: Maintaining legacy servers that can't be easily containerized or scaled.
  3. Integration Friction: It is nearly impossible to connect a 1998 NSF database to a modern AI-driven underwriting engine or a mobile customer app.

By utilizing Replay, you are not just "fixing" an old app. You are creating a foundation. The React components generated today are the building blocks for the mobile apps and customer portals of tomorrow.

Implementing a Modern State Machine#

In Lotus Notes, state is often handled by "Status" fields that are updated via background agents. In a modernized React application, we use state machines to ensure the workflow is robust.

typescript
// Modern State Machine for Insurance Claim Workflow // Replaces legacy Domino Background Agents type ClaimState = 'DRAFT' | 'SUBMITTED' | 'UNDER_REVIEW' | 'APPROVED' | 'REJECTED'; interface ClaimContext { claimId: string; reviewerId?: string; } export const claimWorkflow = (currentState: ClaimState, action: string): ClaimState => { switch (currentState) { case 'DRAFT': return action === 'SUBMIT' ? 'SUBMITTED' : 'DRAFT'; case 'SUBMITTED': return action === 'ASSIGN' ? 'UNDER_REVIEW' : 'SUBMITTED'; case 'UNDER_REVIEW': if (action === 'APPROVE') return 'APPROVED'; if (action === 'REJECT') return 'REJECTED'; return 'UNDER_REVIEW'; default: return currentState; } };

This logic, once hidden in LotusScript agents, is now explicit, testable, and ready for a modern CI/CD pipeline.


Frequently Asked Questions#

How does Replay handle complex LotusScript logic?#

Replay uses Visual Reverse Engineering to observe the outcomes of the logic. By recording the inputs and the resulting UI changes, the AI can infer the business rules and recreate them in TypeScript. For highly complex backend calculations, Replay provides a "logic bridge" that allows developers to manually refine the generated hooks while keeping the UI generation automated.

Can we modernize our Lotus Notes apps to React without losing data?#

Yes. Lotus notes modernization retiring usually involves a two-pronged approach: migrating the UI/UX with Replay and migrating the data using ETL (Extract, Transform, Load) tools to a modern SQL or NoSQL database. Replay focuses on the frontend and orchestration layer, ensuring your new React app can seamlessly connect to your migrated data via REST or GraphQL APIs.

What is the average ROI for using Replay in an insurance setting?#

Most enterprise clients see a 70% reduction in modernization costs. For a mid-sized insurance carrier retiring 50 legacy applications, this can result in savings of over $1.5M in developer salaries and a 12-month acceleration in "Time to Market" for their new digital platform.

Is the code generated by Replay "vendor-locked"?#

No. One of the core principles of Replay is generating clean, standard React and TypeScript code. Once the code is exported from the Blueprints editor, it belongs to you. It is standard code that can be hosted anywhere—AWS, Azure, or On-Premise—and maintained by any modern frontend developer.


Conclusion: The Path Forward#

The "wait and see" approach to legacy software is no longer viable. As the insurance industry moves toward real-time underwriting and AI-assisted claims, the "grey screens" of the past are becoming a liability that no CISO or CTO can afford to ignore.

Lotus notes modernization retiring is no longer a multi-year nightmare. With the power of Visual Reverse Engineering, you can capture the essence of your business workflows, document them automatically, and deploy a modern React-based future in a fraction of the time.

Ready to modernize without rewriting? Book a pilot with Replay and see your legacy workflows transformed into modern code in days, not years.

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