Microsoft is retiring RSAT.
Your investment doesn't have to retire with it.
Microsoft will end support for RSAT on May 15, 2027. Your test library represents years of business knowledge, process coverage, and workflow validation. Horizon preserves that investment, carries forward the coverage worth keeping, and expands it across the rest of your Dynamics 365 estate. You keep the business knowledge. You leave behind the maintenance.
"Microsoft is hereby announcing the deprecation of the Regression Suite Automation Tool (RSAT), effective May 15, 2027. RSAT is optimized for Finance and Operations scenarios and offers limited support for broader cross-application testing requirements. Customers should begin planning and executing their transition to an alternative automated testing solution."
Understand what's changing and what isn't
Microsoft RSAT support stops completely on May 15, 2027
No bug fixes. No security patches. No feature updates. Any RSAT issue that surfaces after May 2027 is yours to resolve alone with a tool Microsoft is no longer maintaining.
Dynamics 365 keeps updating whether RSAT does or not
Running an unsupported, UI-dependent test tool against continuous Microsoft updates means absorbing every breakage on your own, indefinitely.
The restriction started in January 2026
Microsoft restricted Task Recorder to Sandbox and Production only. Cloud-hosted dev environments lost the ability to create new recordings. RSAT was in managed decline before the formal announcement.
Years of process knowledge encoded in those scripts
Workflow recordings that map to how your finance team closes the books. Parameterized test data. Subtask structures that reflect real business processes. That work is institutional knowledge and it does not have to be discarded.
The right migration path
The right migration preserves your business logic, eliminates the UI dependency that made tests brittle, and gives you a platform that absorbs each service update instead of breaking because of it. Teams that approach it that way come out ahead.
Built for Dynamics 365. Not adapted for it.
Horizon was designed from the ground up for the Microsoft Dynamics 365 ecosystem.
Modern ERP testing starts here.
RSAT automated some of your Finance and Supply Chain Management tests. Horizon automates your entire Dynamics 365 estate and everything connected to it.
Import your .axtr files directly
Each subtask becomes its own runnable, editable test. Your Excel parameters become VariableSets. Business logic and test data carry forward intact. No rebuilding from scratch.
No code. No special skills. Just run
Finance leads and ops managers create, run, and review tests without a developer. Any browser, any OS. The team that owns the process owns the testing.
Adapts to every Dynamics 365 service update automatically
When a service update shifts elements or renames buttons, tests adapt. The UI changes that arrive with every update stop being your problem. You stop paying the maintenance tax.
Control exactly when your tests run
Schedule around your release calendar, go-live timelines, or period-close windows. Tie into Azure DevOps. Block deployments on failure.
Finance and Supply Chain Management, Customer Engagement, and everything else
Test the complete business process in one suite. Finance and Supply Chain Management, Customer Engagement, Dynamics 365 Sales, and any connected ISV or custom app. No more blind spots beyond Finance and Supply Chain Management.
A partner invested in the Dynamics 365 ecosystem
Built exclusively for Dynamics 365, not adapted from a generic framework. Microsoft Recommended. When the platform evolves, so does Horizon.
Move beyond RSAT. Stay for everything else
What the migration includes, from the first assessment through your first validated update.
Free migration assessment
We review your RSAT environment, map your script library, and identify coverage gaps before you commit to anything.
RSAT script conversion
Upload your .axtr files and we convert your existing library directly into Horizon. Nothing starts from zero.
Tailored testing strategy
We map your workflows, identify coverage gaps, and build a prioritized plan. You go live with a strategy, not just migrated scripts.
Service update protection
Self-healing takes over. When a Microsoft service update shifts UI elements, tests adapt automatically.
Three clear steps.
What happens when you start.
01
Inventory, rationalize, then convert
We map your RSAT library first: what still runs, what duplicates something else, what covers a process you have retired, and what touches a critical business process. Microsoft's transition guidance is explicit that a one for one migration carries your existing problems into the new tool. Then share your .axtr files and Horizon converts what earns its place, preserving business logic, subtask structure and parameter sets. Between 90 and 95 percent of individual steps import automatically. The rest are flagged for review rather than passing silently.
02
Get a tailored testing strategy
We identify your workflows, coverage gaps across Finance and Supply Chain Management and connected systems, and where you want to expand. You leave with a clear, prioritized plan, not a blank slate.
03
Go live with full coverage
Launch with tested, validated coverage across your prioritized processes. Most customers have their critical workflows running before their next service update, when we start at least six weeks ahead of the autoupdate date. Horizon grows with you from there.
They've already been where you are
Reily Foods Company
"We are essentially outsourcing our testing to TheTestMart. They maintain the tests for Reily Foods and ensure everything keeps working for every update of Dynamics 365."
Kurt Lane, IT Business Analyst, Reily Foods
92%
Less effort
89%
Shorter duration
2 days
Per update cycle
JMP Equipment Company
"With RSAT, we never knew how long it would take and there were variable costs every month. With TheTestMart, we know what we'll pay every year."
Martin Messick, VP of IT, JMP Equipment Company
98%
Less effort
90%
Shorter duration
RSAT got you here. Horizon takes you further.
Start with a free migration assessment. We scope your environment, your scripts, and your coverage before you commit to anything.