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I Was Overconfident

Early in my career I believed migrations were mostly a matter of good planning and strong tools. Then I led one that went sideways, and it changed how I work.

We had a clear schedule, a talented team, and a client who trusted us. What we did not have was a proper understanding of how the old system was actually used day to day.

The Thing Nobody Documented

Halfway through, we discovered that the old system quietly sent an email to a warehouse supervisor whenever stock dropped below a certain level. Nobody had listed this feature. It was not in any document. It simply happened, and the supervisor had relied on it for years.

Our new system did not do it. Two days after launch, a shelf ran empty and a customer order slipped. It was a small failure, but it taught me a big lesson: old systems carry invisible duties.

Hunting for Invisible Duties

Now I run what I call a shadow audit. I watch the system for a couple of weeks and note everything it does without being asked: automatic emails, scheduled jobs, silent calculations, background clean-ups.

Then I compare that list with the requirements document. The gaps are always fascinating, and often a little embarrassing for everyone involved.

Parallel Running Is Underrated

Running the old and new systems side by side feels wasteful, and finance teams sometimes push back on the cost. I have never regretted doing it.

Parallel running lets you compare outputs, catch differences, and build trust before you flip the switch. The first time a number matches perfectly across both systems, the whole team relaxes.

Communication Beats Code

Half of a successful migration is telling people what is happening, when, and why. I send short, plain updates every week. I explain downtime windows early. I tell people honestly what may feel awkward during the first month.

Silence creates rumours, and rumours create resistance. A simple weekly note prevents both.

Regional Realities

Working in Dubai means teams from many countries, many languages, and different working styles. A training session that works for one group may confuse another. Adding Arabic and English materials, short videos, and hands-on practice makes a real difference.

Business calendars matter too. Public holidays, Ramadan working hours, and seasonal peaks all affect when a cutover is realistic.

After Go-Live Is When the Work Begins

The day the system goes live is not the finish line. The first few weeks are when real questions appear. I keep a support channel open, watch for repeated complaints, and fix small annoyances quickly.

Those small fixes matter more than people expect. They show the team that their voice counts.

What I Would Tell My Younger Self

Slow down at the start so you can move fast later. Ask stupid questions. Watch real work instead of reading about it. And never assume the old system is simple just because it looks old.

Final Thoughts

Good migrations are built on curiosity, patience, and honest communication far more than on clever tools. If your company is stepping into Digital Transformation & Legacy System Migration in Dubai, treat the old system like an experienced colleague: study what it really does, respect its hidden habits, and only then help it retire gracefully.