How a global manufacturer migrated 1,400+ IBM Cognos reports to Power BI with cell-by-cell parity validation — decommissioning IBM on proof, not hope, and taking $1.2M of annual licensing off the books.
Licences cancelled only after a domain passes parity and the business signs off.
Spend falls as each validated domain is switched off — the final tranche retires with the last sign-off, not on a hopeful project date.
This case study illustrates a challenge common to enterprises running a large IBM Cognos estate (Cognos Analytics, Framework Manager, TM1) and moving to Power BI and Microsoft Fabric. It demonstrates Multishoring’s proven approach to estate assessment, semantic redesign, and parity validation. Stalled because no one can prove the migrated numbers match? Let’s talk about a parity-first migration for your Cognos estate →
A global industrial manufacturer (€3B+ revenue, plants across 14 countries) ran IBM Cognos as its reporting backbone — 1,400+ reports built over 12 years on Framework Manager packages, feeding finance, supply chain, and plant operations. Group P&L, plant margin, OEE, and working-capital reporting all ran through it.
The pressure to move was real: an IBM renewal cliff, a board mandate to consolidate on Microsoft (Power BI, Fabric, Azure), and the lead Framework Manager developer one year from retirement — taking a decade of undocumented business logic with him.
Two earlier migration attempts had stalled in the same place. Reports were rebuilt in Power BI, but no one could prove they produced the same numbers as Cognos. Finance wouldn’t sign off on a figure they couldn’t trace. So Cognos stayed on — and so did the licence bill.
At a quarterly board review, a freshly migrated Regional Margin by Plant report in Power BI showed a number €4.2M off the Cognos figure everyone knew. The room stopped. If this number was wrong, which others were?
The cause was mundane — a currency filter buried in the Cognos report layer that never made it into the new model — but the damage wasn’t. Trust in the migration collapsed, the programme froze for six months, and the IBM contract was renewed “to be safe.” The real gap was clear: they had no systematic way to prove parity. Every report needed to prove itself.
Multishoring didn’t just rebuild Cognos reports in Power BI. We made every migrated report prove itself against Cognos — cell by cell — so decommissioning IBM became an evidence-backed decision, not a leap of faith.
We inventoried all 1,400+ reports with usage data and scored each Rebuild / Consolidate / Retire — clearing 40% of dead reports up front. Framework Manager logic was redesigned into a governed Power BI star schema with shared DAX measures, not cloned report-by-report.
Every Cognos output was rendered and compared against Power BI cell-by-cell, with tolerance rules for rounding and currency. Discrepancies are auto-classified, traced to source (filter, join, measure logic), and routed to an owner with full context — no more manual spot-checking.
Cognos and Power BI run in parallel. A domain is cut over only when it passes parity and report owners sign off — documented for audit. IBM licences are cancelled domain by domain on proof, tracked live in a decommission burn-down. Never all at once, never on hope.
A parity and governance layer built on your target Microsoft stack — validating against Cognos every step of the way, with no rip-and-replace risk.
IBM Cognos
Source of Truth
Power BI
Target Platform
Microsoft Fabric
Semantic Layer
Microsoft Azure
Validation & Pipelines
“You can’t decommission Cognos on a promise. The organizations that finish their migration don’t rebuild reports faster — they make every report prove its own numbers before the old system is switched off.”
Our team pairs 15+ years of enterprise BI and data expertise with hands-on IBM Cognos experience — Framework Manager, Report Studio, and TM1 / Planning Analytics — and deep Power BI and Microsoft Fabric delivery. We turn legacy Cognos estates into governed, validated Power BI environments your finance team will actually trust.
Partner with Multishoring’s Cognos and Power BI specialists to migrate your estate with cell-by-cell parity validation, audit-ready sign-off, and an evidence-based path to switching IBM off for good.
Get your Cognos migration roadmap →We’d like to ask you a few questions to better understand your IT needs.
Signed, sealed, delivered!
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