Cloud & Migration Lead

Lift the last Windows LOB app — with governance that scales

When refactor isn't on the timeline and RDP or AppStream won't pass security review, WebStream gives you a repeatable browser access layer for AWS MAP Phase 2 workloads.

AWS migration workload assessment showing the last on-premises LOB application pathway to EC2 in a VPC
Your Challenges

The migration pattern that keeps failing review

You know how to move Windows workloads to EC2. The blocker is user access that satisfies security without blowing the project schedule.

Can't refactor on timeline

MAP Phase 2 deadlines don't allow a multi-year re-platform. The application must move as-is — but traditional access models don't fit the plan.

RDP fails governance

Direct RDP to migrated instances creates audit gaps — no file egress control, no clipboard policy, no session visibility for compliance teams.

AppStream doesn't fit every LOB app

Session-based streaming works for some workloads — but forms-heavy, file-integrated business apps often need a different access and policy model.

Need a repeatable pattern

One-off workarounds don't scale across a portfolio. You need a documented, reusable approach for every remaining Windows blocker app.

Why This Matters Now

Migration program pressures

MAP funding windows

Phase 2 workload migration must show progress before funding milestones lapse — blockers cost real money.

Security gate on every wave

Each migration wave needs architecture sign-off. Access patterns that worked on-prem won't automatically pass cloud review.

Portfolio of exceptions

It's rarely one app — it's the last five Windows LOB systems, each with different vendors and integration points.

Partner deliverable pressure

SI timelines assume lift-and-shift. Refactor scope creep puts the entire program at risk.

How WebStream Helps

A repeatable access layer for AWS

WebStream ACP on EC2 — browser delivery with policy enforcement your security team can document in the architecture review.

Lift-and-shift ready

Move the Windows application to EC2 unchanged. WebStream handles browser rendering and user session — no code changes required.

Governance built in

File upload/download policies, print control, clipboard rules, and full session audit — the controls RDP can't provide.

AWS-native deployment

Deploy on EC2 with standard AWS tooling. Document the pattern once and reuse it across every remaining blocker workload.

Case Vignette

The last on-prem LOB application

Illustrative scenario — composite anonymised example

“Everything else was in AWS. One engineering LOB app on Windows was the reason we couldn't close Phase 2 — and refactor was off the table.”
Situation
A manufacturing firm had migrated most workloads under AWS MAP. The last on-prem application was a Windows LOB system used daily by engineering and operations — integrated with shop-floor reporting and too complex to refactor before the Phase 2 deadline.
Approach
The migration lead lifted the app to EC2 and deployed WebStream as the browser access layer. Security reviewed file egress and session logging policies. The pattern was documented as the standard approach for remaining Windows blockers.
Result
Phase 2 closed on schedule. Users accessed the application via browser without VPN or RDP. The team reused the same deployment template for two additional Windows apps in the following quarter.
Typical Applications

Common MAP Phase 2 blockers

ERP

Thick-client ERP modules and industry extensions that must move with the database — not wait for a SaaS replacement roadmap.

Engineering

PLM, CAD-adjacent, and production planning tools tied to Windows workflows and local file integrations.

Government

Administrative and case-management systems where procurement cycles prevent replacement before datacentre exit deadlines.

Related Resources

Go deeper

Get Started

Validate the pattern on AWS

Run a PoC with your blocker application on EC2 — most teams have a working browser session within days.

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