Cloud Migration Mistakes That Cost Money, and How to Avoid Each One

Key Takeaways

  • Cloud migration is a planned, staged move of data, applications, and infrastructure.
  • The goal is flexibility and the ability to recover when something fails.
  • Cost sprawl, broken dependencies, and untested backups are the usual failure points.
  • Compliance checks go into the plan, not after it.
  • Hybrid is a legitimate outcome.

Most cloud migration problems show up after moving day. A bill comes in higher than planned. Someone finds an account with far too much access. A backup turns out to be missing files.

DYOPATH’s cloud migration guide lists five mistakes behind many of these. This post goes through them in order, with a fix for each, then covers compliance, hybrid setups, and when to bring in help.

Mistake 1: Moving everything at once

Many teams plan the move as a single weekend project: shut everything down on Friday, bring it all up in the cloud by Sunday.

What breaks is usually something nobody wrote down, like an accounting package that reads from an old file server or a nightly job a former employee set up.

Move it all together, and the first sign of a missed connection is an employee who can’t log in or a report that comes back empty. By then, everything is already in motion, so finding the cause means untangling it all at once.

The safer way is to move in stages. Take stock of what runs today first, including what depends on what. Then start with the low-risk systems, so the team learns on something that doesn’t matter much if it stumbles. Critical systems go later, a wave at a time, and each wave gets checked before the next one starts. A bad wave is one problem to fix while the rest of the business keeps running.

Mistake 2: Letting costs grow unmanaged

Cloud costs creep up because adding resources takes minutes and removing them is nobody’s job. Servers get sized for the busiest day, test environments stay on after the testing is done, and storage keeps filling.

The bill climbs a little each month. Because no single line looks alarming, nobody checks.

Two habits keep it in check. The first is deciding each workload on its own merits instead of defaulting to a copy-and-paste move. The guide sorts the options into six, known as the 6 Rs. Rehost, or lift-and-shift, moves a system as-is. Replatform adds small optimizations along the way. Repurchase replaces an application with software sold as a service, and refactor rebuilds one for the cloud. Retire means switching off systems nobody uses anymore. Retain means leaving a workload where it sits for now. Most migrations use a mix. Lift-and-shift for everything, the guide cautions, mostly means paying cloud prices for old inefficiencies.

The other habit is giving the bill an owner after the move. Someone has to right-size resources and read the invoice every month, or the savings from the planning phase disappear.

Mistake 3: Leaving permissions too broad

Broad access is quicker to set up, and the plan is always to tighten it afterward. Often nobody does. An account given full rights for a weekend still has them two years later.

Misconfiguration is behind many breaches, according to the guide, which cites guidance from the Cybersecurity and Infrastructure Security Agency. Broad permissions make a bad day worse, since one stolen login can reach far more than it should.

Each role should get only the access it needs from day one. Review it when the migration ends, review it again on a schedule, and delete project accounts that don’t belong to a real person. Ongoing computer security services can catch settings that drift over time.

Mistake 4: Never testing the backups

A backup that has never been restored is a guess.

Backups can run successfully for years and still fail on the day they’re needed. The wrong folders were included. The credentials expired. The restore takes three days when the business can only tolerate three hours. None of it shows up until somebody tries.

Recovery is one of the main reasons to move to the cloud in the first place, so testing it belongs inside the migration plan. Restore a real system from backup. Time it. Write down who does what. Then check the result against what the business needs, meaning how much data it can afford to lose and how long it can afford to be offline. Well-built cloud services are designed around that recovery capability, and the test is whether a business can prove its own setup delivers it.

Mistake 5: No clear owner

Migration projects touch IT, finance, operations, and sometimes legal. When everyone is involved, it’s easy for nobody to be in charge. Decisions stall. Questions about cost, access, and timing get answered by whoever happens to be in the meeting.

After cutover, the project team disbands and the environment is left without a manager.

The fix is simple. Name one accountable person before the work starts. That person doesn’t need to do the technical work. They need the authority to make calls, to tell staff about changes ahead of time, and to stay responsible for costs and management once the move is done.

Compliance belongs in the plan, not the final review

Compliance isn’t a mistake on its own. Treating it as a last check is.

A healthcare organization still has to protect patient data consistent with HIPAA while that data is in motion, not just before and after. Financial services firms and government contractors may face rules about where data physically sits and who can reach it. Rules like these shape which regions to use, which workloads can move, and sometimes which ones have to stay on-premises.

Review them at the end and the problem gets found after the data has already moved. Build them into the plan from the start.

Not everything has to move

Some systems never move, and that’s fine. A piece of legacy software might not run anywhere but the old server, or the numbers might not work, or a compliance rule might say no. Plenty of businesses end up hybrid, with part of the environment in the cloud and part on-premises. The guide treats that as a legitimate end state.

Timelines depend on scope. A small environment can take a few weeks, and a complex one can take several months. Only an assessment gives a real answer for a specific business.

When outside help makes sense

A small, simple environment can sometimes be moved in-house. It gets harder with more integrations or less tolerance for downtime, and that’s where outside help earns its fee. The expensive part of a bad migration is the downtime and the rework.

The guide’s checklist for choosing a partner works as a set of questions. Does the provider do a real assessment before quoting? Is there a rollback plan for each wave? Who is accountable for costs after the move? Will staff hear about changes ahead of time? Is there a plan for managing the environment afterward? Any provider can be held to those questions, including DYOPATH’s migration services.

Done well, a migration is boring, and that’s the goal.

About DYOPATH:

DYOPATH plans and runs cloud migrations and manages what comes after, with roots back to 1996 and a team of more than 600 U.S.-based professionals serving organizations across the United States and Mexico.

DYOPATH

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