Key Lessons from ERP Case Studies

Are you considering implementing a new ERP system? Lately, I've engaged in a number of discussions regarding the selection of ERPs, their capabilities, and the intricacies of their implementation process. For any business embarking on this journey, it's a significant decision, but one that holds the potential to transform operations. Drawing from my experience as a CFO, I've witnessed the impact that new ERP implementations can have on businesses. It can present remarkable possibilities to streamline operations, enhance decision-making, and stimulate growth. However, it can also come with its own set of challenges and complexities. So, what exactly does it take to ensure a successful ERP implementation? 1️⃣ Process-Oriented Strategy   - Prioritise Processes: Instead of getting lost in features, focus on your business workflows. Identify areas for enhancement, pinpoint bottlenecks, and imagine how the ERP can boost agility.   - Thorough Mapping: Take stock of current processes and spot any gaps. Consider factors like mobile accessibility, real-time alerts, and data analytics as you modernise. 2️⃣ Harnessing Team Potential   - Team Dynamics: The team driving any ERP implementation is of great importance. You will need to gather a diverse group of executives, project managers, end users, and IT specialists. Their collective insights and dedication will be key to a successful implementation.   - Skills and Expertise: Look beyond job titles. Recruit team members with relevant expertise, industry knowledge, and a knowledge of your chosen ERP platform. 3️⃣ Selecting the Right Implementation Partner   - Industry Understanding: Your chosen partner should be able to grasp the fundamentals of your industry. Seek referrals and validate their track record.   - Methodology: What is their implementation approach? It should reflect their own learning and not just be a generic template. 4️⃣ Avoiding Common Pitfalls   - Robust Governance: Establish strong project governance from the outset.   - Clear Scope Definition: Set precise objectives and requirements - avoid scope creep!   - Data Integrity: Ensure your data is clean and reliable.   - Training: Invest in comprehensive user training, during implementation and after.   - Executive Support: Secure backing from leadership. 5️⃣ People-Centric Strategies   - Inclusive Teams: Engage stakeholders at all levels. Everyone should feel accountable for success.   - Promote Collaboration: Foster open dialogue and teamwork.   - Risk Awareness: Acknowledge potential risks and address them early. Oh, and finally, as the CFO ensure the budget is appropriate and costs controlled! Remember, a successful ERP implementation hinges not only on technology but also on people, processes, and collaboration. I would love to hear about your implementation stories and the key to success. 👇 #ERPImplementation #DigitalTransformation #BusinessGrowth #CFOInsights 

I’ve audited 120+ ERP data migrations in the last 5 years. 80% of them failed. And most ERP failures are not because it’s SAP, Oracle, or Dynamics. Not even the custom build from 2012. They fail because the data going in was never cleaned. Here’s what I keep seeing (even in $10M+ projects): In 80% of failed ERP migrations, I found: ☠️ UOM mismatches that break inventory. ☠️ Customer and vendor duplicates. ☠️ Zombie SKUs and dead warehouses. ☠️ Orphaned transactions. ☠️ No audit trail of what got transformed. Here’s my Data Migration Checklist (to use before go-live): ✅ Units of Measure (UOM): → Are all UOMs mapped 1:1 between legacy and new ERP? → Have we tested conversion logic in live transactions? ✅ Master Data Uniqueness: → Do we have duplicate SKUs, vendors, or customers? → What’s the deduplication logic? Who owns it? ✅ Historical Data Mapping: → Are all past transactions (GR/IR, payments, returns) traceable? → Can we audit them after go-live? ✅ Open Transactions Review: → How many open POs, SOs, GRNs exist in legacy? → Who validated carry-forward rules? ✅ Dummy Runs with Real Data: → Did we run full-cycle transactions with migrated data in UAT? → Were accounting, tax, and inventory balances reconciled? ✅ Cleanup Ownership: → Who is responsible for final data sign-off—IT or Finance? → Is it documented? I think ERP is not an Excel import. It’s a financial and operational rebirth. And the data is either your foundation or your downfall. How confident are you in the quality of the data being loaded into your next ERP? ♻️ 𝐑𝐄𝐏𝐎𝐒𝐓 so others can learn.

I can tell within 10 minutes if an ERP project will succeed. I look at who's NOT in the room. If IT sent a project manager instead of the CIO showing up themselves, that's a problem.  You're about to build something that needs to integrate with your entire tech stack, and the person who owns that stack isn't involved enough to be there. If your biggest revenue generator "can't step away from customers," that tells me something too.  You're building a system for people who are already signaling they won't prioritize learning it.  They'll be too busy to train, too busy to adopt it, and too valuable to push back on. If the person who actually does the work sent their manager to represent them, you're going to get a secondhand version of how the work happens.  The system will get designed around how leadership thinks things work, not how they actually work on the ground. I've seen this pattern enough times to know: 𝘁𝗵𝗲 𝗽𝗲𝗼𝗽𝗹𝗲 𝘄𝗵𝗼 𝗮𝗿𝗲 𝘁𝗼𝗼 𝗰𝗿𝗶𝘁𝗶𝗰𝗮𝗹 𝗼𝗿 𝘁𝗼𝗼 𝗯𝘂𝘀𝘆 𝘁𝗼 𝗯𝗲 𝗶𝗻𝘃𝗼𝗹𝘃𝗲𝗱 𝗲𝗮𝗿𝗹𝘆 𝗮𝗿𝗲 𝘁𝗵𝗲 𝘀𝗮𝗺𝗲 𝗽𝗲𝗼𝗽𝗹𝗲 𝘄𝗵𝗼 𝗱𝗲𝗿𝗮𝗶𝗹 𝘁𝗵𝗶𝗻𝗴𝘀 𝗹𝗮𝘁𝗲𝗿. Not on purpose. But when the integrations aren't working during testing, IT points out they were never really consulted.  When your top performers won't use the system, they'll mention that nobody actually asked them what they needed.  When the workflows are off, frontline personnel say "yeah, we knew that wouldn't work." The projects that do work have the hard-to-schedule people in the room from the start. The CIO shows up.  Your best operators make the meetings a priority.  The people doing the actual work get to speak, not just their managers. Attendance signals commitment.  And you can't go back and add that commitment six months in when problems show up. Next time you're in a project kickoff, look around. Who's missing? That tells you a lot about what's coming. #ERPImplementation #ProjectManagement #Leadership

The ERP Didn’t Fail. The Rollout Did. The biggest myth in ERP is that the software is what breaks. More often, it’s the people and processes that bend the wrong way. I’ve watched companies invest millions into a new ERP, only to see managers retreat to spreadsheets, operators stick to old workarounds, and finance quietly rebuild reports outside the system. The software runs. But adoption stalls. Data turns messy. Trust in the system erodes. Six months later, leaders are asking: “Why doesn’t this feel any different?” The truth is, ERPs don’t enforce discipline. People do. Without changing habits, retraining teams, and holding the line, you’re not running an ERP—you’re running parallel worlds of process. The real risk isn’t downtime or bugs. It’s the slow decay of confidence in the system you just bet the company on. ERP success isn’t about better code. It’s about courage: rewriting habits, dismantling old shortcuts, and making sure the system becomes the only system. Otherwise, you didn’t roll out an ERP. You just installed another layer of noise.

One CEO told me directly: “Klaus, you’re spending too much money.” The result: Another year of legacy, highly customized and disjointed ERP systems. Every executive decision carries invisible weight. The trade-offs are rarely discussed in the boardroom presentation. Here’s one that still keeps me up: You’re leading IT for a growing MedTech company. Years of acquisitions have left you with multiple ERP systems that don’t talk to each other. Manual workarounds everywhere. Excel spreadsheets bridging the gaps. Your teams are burning out maintaining systems that should have been retired five years ago. You build the business case. You show the operational cost, the untapped efficiency opportunities, the quality risk, the competitive disadvantage. You present the path forward. The CFO looks at the budget. The CEO looks at the timeline. “We can’t afford the disruption right now. The complexity is too high. You’re spending too much money.” So you manage the legacy systems for another year. And another. You watch competitors move faster because their technology actually works. You see talented people leave because they’re tired of 12-14 hour workdays and fighting broken tools. I’ve been in this position multiple times. Here’s what 15 years in executive IT positions has taught me: The cost of doing nothing always exceeds the cost of doing something. You just pay for it differently. Instead of a planned investment with a timeline and an ROI, you pay in operational inefficiency, quality incidents, lost talent, and missed market opportunities. My recommendation after doing this across the US, Europe, APAC, and Latin America: Treat ERP strategy like you treat capital equipment decisions. You wouldn’t run manufacturing on machines from three different acquisitions that can’t communicate. You wouldn’t tell your operations or quality teams to make do with duct tape and spreadsheets. Yet we do exactly that with enterprise systems and wonder why digital transformation fails. Stop asking “Can we afford this?” Start asking “Can we afford to keep operating like we are currently?” and "Which decisions do we need to make to support the commercial growth plans that we have?" Because the gap between what your systems can do and what your business needs to do is growing every quarter. Your competitors are closing that gap. Your best people are leaving to join companies that have. In regulated industries like MedTech, your ERP system is more than just software. It’s your quality system, your compliance framework, your operational backbone. When it breaks, everything breaks. Have you been there? How do you make the case for necessary technology investment when the C-suite sees complexity and cost instead of capability and competitive advantage? #GlobalLeadership #ExecutiveDecisions #ERPStrategy #DigitalTransformation #MedTech #ITLeadership #FractionalCIO

SAP S/4HANA didn’t fail. The implementation did. A friend of mine, a CFO at an insurance company, called me yesterday. This wasn’t a casual check-in. It wasn’t a “congrats on go-live” call. And then he said the five words every team dreads. “We can’t close our books.” They’d just finished a year-long migration from Oracle ERP to SAP S/4HANA. Millions invested. Dozens of consultants. Everyone exhausted. Now? Month-end was broken. Finance was buried in manual fixes. Auditors were waiting. The board was anxious. It’s a train wreck I’ve seen before. When big projects go off the rails, everyone points fingers. Consultants say the business didn’t give clear requirements. The company says they expected more guidance, especially on SAP vs. Oracle. Consultants always say they’ve delivered “dozens of successful projects.” Just not this one. So, what actually goes wrong? ✖️ Finance comes in too late ✖️ Data gets moved but not harmonized or owned ✖️ Old processes get copied instead of redesigned ✖️ The project turns into a tech upgrade, not a real business change This isn’t about SAP. It’s about leadership, alignment, and strategy. You’ve heard the saying: “Culture eats strategy for breakfast.” In ERP? Leadership eats technology for dinner. S/4HANA can deliver huge value. But only when: ➡️ The business steps up from the start ➡️ Consultants work as true partners ➡️ The focus stays on real business needs What do successful teams do differently? ✅ Own the outcome from day one ✅ Question every assumption and old habit ✅ Measure success by lasting results, not just a “go-live” date ERP doesn’t fail in the code. It fails in the conversations that never happened. Go-live is just a milestone. Getting it right is the mandate. If you’re seeing warning signs or want to avoid them, let’s talk. I’ve helped teams turn these situations around. What’s the biggest ERP or tech challenge you’ve faced? Share your story below or DM me if you want to talk. --- 📌 Save to revisit later ♻️ Repost to help your network ➕ Follow Ganesh Ariyur for insights on enterprise transformation. #ITStrategy #CIO #EnterpriseTechnology #Transformation #SAP

70% of ERP projects fail. I’ve lived one. When McKinsey published that stat, I didn’t even need the report. We spent months in ERP implementation, burned six figures on consultants. And by go-live, we were already behind on the books. The software didn’t break. It just automated every inefficiency we already had. That’s the part no one wants to admit. Most ERP “transformations” don’t fail because of bad tech, they fail because of bad design. You can’t take old workflows, drop them into new software, and expect progress. If your process was broken before, now it’s just faster at being broken. And in finance, that’s deadly. A CRM glitch slows sales. An ERP error misstates results. And once that happens, the CFO’s credibility is on the line. What I’ve learned (and what McKinsey got right): 1/ Complexity kills. The “big bang” launch never goes as planned. You end up buried in data cleanup, mismatched accounts, and close cycles that drag for weeks. 2/ Processes > software. The tool doesn’t save you — the process does. Teams that win reimagine approvals, reconciliations, and controls before go-live. 3/ Finance feels it first. If something breaks, it breaks publicly. The numbers don’t lie. 4/ The gap compounds. Broken systems slow you a little every month. Better systems make you faster every quarter. TAKEAWAY ERP failures lock in inefficiency for years. Every close takes longer. Every audit gets messier. Every decision slows down. But when you build it right: Closes get faster. Automation compounds. Accuracy becomes leverage.

"ERP Implementation Challenges & Best Practices" The other day, I was catching up with some former colleagues about how quickly technology is changing, which led us to discuss the many ERP implementations we’ve led over the years. Each one presented unique challenges, and with technology constantly advancing, ERP projects have become even more complex. They require us to wear multiple hats, such as super user, project manager, and the bridge between the company and the ERP provider, while also ensuring business continuity and managing our day-to-day responsibilities. In one major integration, I managed a small core team that fully immersed itself in every aspect of the new system. We took a "train-the-trainer" approach: the ERP provider trained us, and we, in turn, trained the entire staff. This hands-on method ensured a smoother transition and faster adoption across the organization. One of the biggest challenges was data integrity. Aligning teams across the company was important, but ensuring clean, standardized data before integration was even more critical. I saw this as an opportunity to clean up historical data, standardize formats, and eliminate redundancies. As a team, we conducted a pre-migration audit to identify potential issues—such as special characters failing to transfer correctly; and collaborated with departments to ensure consistency and accuracy. By addressing these issues upfront, we minimized downtime and enabled teams to fully leverage the new system’s capabilities from day one. A key takeaway for me was that ERP implementation isn’t just about technology, it’s about people, processes, and data. What ERP challenges have you faced, and how did you overcome them? Let’s discuss. 

A big 4 consulting firm implemented ERP which caused a major business disruption for a client.   Top level partners in top notch suits made best promises in a beautifully crafted presentation.   The client got excited. Deal signed.   I joined the party at the SIT phase. Which could not complete.   The integration between ERP, WMS and boundary systems was failing.   SIT lasted for 3 more months. Go live data had to be pushed. But the integration still did not work.   The burn rate was insane.   Eventually the leadership decided to make it live and forced half-baked solution.   Yay! Everyone was happy until they realized what a sh*t show they were in.   Right after go live the planners and supply chain operations realized that the stock on hand in ERP, WMS, their custom system and on the shelf were all different.   They had to call the warehouse to make sure they had the right quantity of equipment.   The result: ·      All the departments started overordering to cover up for their projects. ·      2 million dollar sales were lost. No stock. Couldn’t deliver. ·      Inventory across the supply chain grew by $20M. ·      It took 18 months to stabilize the system.   Why did that happen? 1.      The vendor recently bought the WMS solution and did not yet build native integration. 2.      Poor integration between the systems. Transactions were stuck due to errors. 3.      Terrible user experience. Warehouse workers could not perform their role in a system and circumvented the restrictions. 4.      Lack of training and end user support   Want to avoid this costly mistake? Here’s what you should consider. ·      ERP can look great on a slide deck but may not necessarily fit your business ·      ERP can fit your business but not your boundary systems ·      An implementation partner can have a big brand name, but one integration architect can screw the whole thing ·      Hire an independent ERP adviser to make sure you have the right solution and partner   In summary:   Don’t trust ERP fairy tales.   Do your due diligence.   #ERP    #TheERPGuy     #ERPImplementation

𝗘𝗥𝗣 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗮𝗿𝗲 𝗡𝗼𝘁 "𝗢𝗻𝗲 𝗮𝗻𝗱 𝗗𝗼𝗻𝗲" I had a call during the week from a CFO who shared that they were struggling with their new ERP, and it was not working well for them. Despite investing more than $1M dollars, they found themselves no better off than before they started. They were still facing issues with workflows, reporting and user adoption. The story thus far is as follows: 1️⃣ They completed an ERP Vendor and Solution Evaluation 2 years ago. 2️⃣ They selected their preferred Vendor and Solution. 3️⃣They signed Contracts with the Vendor. 4️⃣ The Vendor commenced the Implementation. 5️⃣ They went live on the new ERP system 13 months later. However, the client is still not happy with the outcome. So, what went wrong? They trusted the ERP Vendor would look after them and they probably did to a point. What they hadn’t realized is that they needed to take more responsibility for the success of the project themselves. 𝗧𝗵𝗲 𝗼𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽 𝗼𝗳 𝗮𝗻 𝗘𝗥𝗣 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝗹𝘄𝗮𝘆𝘀 𝗻𝗲𝗲𝗱𝘀 𝘁𝗼 𝗿𝗲𝗺𝗮𝗶𝗻 𝗳𝗶𝗿𝗺𝗹𝘆 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗰𝗹𝗶𝗲𝗻𝘁. The Client needs to commit to the following resources: ✅ An involved and visibly engaged Business Sponsor. ✅ An experienced "client-sided" Project Manager. ✅ Business Process Owners who have time to be involved in the project. ✅ Regular Steering Committee Meetings to provide guidance and make decisions. ✅ Appropriate Change Management and Training. ✅ Rigorous Test Management. ✅ Ongoing support after Go-Live for future enhancements. These projects are not “𝗢𝗻𝗲 𝗮𝗻𝗱 𝗗𝗼𝗻𝗲”. They require ongoing care and attention to detail. As a CEO or CFO, don’t be pressured into going live until you are confident the system can effectively run your business. Remember, the responsibility for project success ultimately lies with the Client, rather than the Vendor. Do you have any thoughts to add? #ceo #cfo #coo #erp #erpprojects