Sound Familiar?
Why Legacy Moves Keep Getting Postponed
The old order system still runs the business, and the one person who really understands it retires next year. Everyone agrees it should move, but nobody wants to be the one who breaks it. Plans to migrate legacy applications to the cloud stall on that fear more often than on budget.
Why Now
When Staying Put Stops Being an Option
The data center contract is up for renewal Signing another multi-year term for a room you’re trying to leave feels wrong. You need a credible move plan before the renewal date arrives.
A vendor ends support for your platform The operating system or database version is going out of support. Patching stops, and so does your security team’s patience.
The business wants something the old system can’t do A new channel, a new integration or remote access for partners. Each request ends with someone saying the legacy platform won’t allow it.
What Changes
What’s Different Afterwards
Where to Start
How We’d Migrate Legacy Applications to the Cloud
Start with the free review
We look at your applications, what they connect to and how ready each one is to move. You see which to move first and which need more work.
What you’ll have: A ranked list of applications and their risks
Move a first wave
We pick a small, low-risk group to prove the approach. Testing and rollback are agreed before anything changes.
What you’ll have: A working pattern your team has seen succeed
Plan the rest in waves
The remaining applications are grouped by dependency and risk, with downtime windows agreed with the business ahead of time.
What you’ll have: A migration plan the business has signed off
Want the full method? See Cloud Migration and Application Modernization.
Your First Step
Start with a Free Cloud Migration Review
We’ll look at your legacy applications and tell you honestly which are ready to move, which need work first and which should stay. You get a ranked list and the risks behind it.
- We walk you through the findings on a call.
- Then it’s your decision, with no obligation to go further.
Scope
- Your legacy applications and their servers
- Connections, data flows and support dates
You Provide
- A list of key applications
- Access to server and network details
- Time with each application owner
You Receive
- Migration readiness for each application
- Dependencies and risks found so far
- A suggested order for moving
Cost and Timing
- Free, with a fixed scope
- Timing depends on your estate, so talk to us
Try This First
Quick Checks Before Any Legacy Migration
Some of the biggest migration risks show up in an afternoon of looking. Start with these.
List the applications with no clear owner
If nobody owns an application, nobody can approve its downtime or test it after the move.
Note every support end date
Write down when hardware, operating system and database support ends for each application. Those dates set your real deadline.
Map one application’s connections end to end
Pick an important one and trace every system it sends data to or receives from. Gaps here are the usual cause of surprises.
Run a discovery tool on a few servers
Azure Migrate and AWS Application Discovery Service can both collect server details and show network connections between machines.
Ask when the business can tolerate downtime
Get a real answer from the people who use the application. Without it, no plan holds.
Why Signisys
Why Take Our Advice on This
FAQs
Frequently Asked Questions
What happens after the review?
We walk you through what we found on a call. You can act on it with your own team, or ask us to help with the bigger changes. Either way, it’s your decision and there’s no obligation.
Do we have to move everything at once?
No. When you migrate legacy applications to the cloud, we move them in small waves, starting with lower-risk ones. Each wave is tested before the next begins, so the business never depends on one big weekend going perfectly.
What if an application shouldn’t move at all?
Then we’ll say so. Some systems are better retired, replaced with a SaaS product or left where they are for now. The review points out which ones and explains the reasons behind each call.
Can we keep running while we migrate?
Yes. Most moves happen with the old and new systems side by side, and the switch happens in an agreed window. You keep a way back until the new setup has proved itself.
Will our team be able to support it afterwards?
That’s part of the plan from the start. Your team works alongside the migration, and handover covers how each application runs, scales and recovers in its new home, with documentation they can keep.
Is this the same as modernizing the application?
Not quite. Migration is about moving it safely. Modernizing changes how the application is built. We’ll suggest where it’s worth doing both, but you can move first and modernize later.
Plan Your Legacy Migration
A free review shows which applications are ready to move, what they depend on and where to start safely.
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Business Outcome
Modernize IT Infrastructure and Applications
Use Case