Nexus Integrations Book a session

Home / Services

Legacy migration and upgrades

Secure migration paths and version upgrades with minimal downtime and zero data loss.

Overview

We manage upgrades, patching and version alignment for IBM MQ, Kafka and supporting middleware across all platforms. Whether you’re migrating from legacy queues, moving to new data centres or shifting workloads to the cloud, we plan and execute it safely.

Every migration covers z/OS, AS400, Linux, Windows, AIX or AWS as needed, with planning for rollback, coexistence and cutover so your business keeps running throughout.

What’s included

  • Version upgrade planning, including continuous delivery and LTS releases
  • Patching and maintenance level alignment
  • Data centre and platform moves
  • Migration from legacy queues and middleware
  • Coexistence planning during phased migrations
  • Cutover and rollback planning

How we work

  1. PlanAssess current versions, dependencies and constraints.
  2. PrepareBuild runbooks, rollback plans and test environments.
  3. ExecuteCarry out the migration or upgrade with your team.
  4. ValidateConfirm applications, flows and performance afterwards.

What you get

  • Migration plan and runbook
  • Rollback plan
  • Cutover support
  • Post-migration validation report

Platforms

z/OS, IBM i (AS400), Linux, Windows, AIX and AWS, with IBM MQ, Kafka and hybrid messaging.

Talk to us about legacy migration and upgrades

Tell us about your environment and we’ll reply within one business day.

Book a strategy session