Multiple, siloed IT teams supported an outdated, complex and increasingly unstable IT environment. They were dependent on an aging legacy infrastructure which was out of support and running several versions of Microsoft Office.
We were engaged to rescue a failing programme to migrate legacy infrastructure to a cloud-based solution, to enhance security and collaboration.
Interserve is a multinational support services, construction and equipment services company headquartered in Reading, with a worldwide workforce of more than 68,000 people.
The Challenge
Multiple, siloed IT teams supported an outdated, complex and increasingly unstable IT environment. They were dependent on an aging legacy infrastructure which was out of support and running several versions of Microsoft Office.
We were engaged to rescue a failing programme to migrate legacy infrastructure to a cloud-based solution, to enhance security and collaboration.
The Solution
We identified key areas for immediate investment which were PMO, desktop modernisation and service design/transition, and deployed a project team comprising of PMO, programme, vendor, service and technical management
1
Programme Recovery
- Review of IT environment and plans
- Assessment of incumbent supplier
- Subsequent engagement of new supplier
- Transition assurance
2
Planning
- Business requirement workshops
- High level design and low-level design
- Implementation plan
3
Outsource partner selection
- Tender process for outsource partner
- Pre-agreement signed with selected supplier
- Discovery workshops
4
Test and pilot
- Infrastructure build and test
- Migration process development
- Small, initial pilot
5
Phase 1 migration
- Roll out anti-virus technology SCEP and EMIT
- Complex migration of 300-500 users
- Integration partner tender
6
Phase 2 planning
- Uplift to migrate 13,000 users
- Migrated a further 300 fast track programme users
The Results
6 Active Directory/Exchange domains were consolidated into a single active directory domain
New core Windows 10 builds
Apps rationalisation and 100+ apps packaged and managed by SCCM
Synchronisation of ‘new world’ accounts with legacy accounts
Dedicated secure Azure Express route connection into the Azure Data Centre via BT
~ 800 pilot and fast track users migrated to O365 with One Drive, Skype for Business and click to run office
A robust and sustainable platform to accommodate 13,000 users
I engaged Leading Resolutions to lead a complex and at times turbulent transformation programme, and they added value right from the get-go, bringing control, stability and drive to move the programme forward. They were a great partner to work with, consistently demonstrating an ability to understand our needs and bring in the right capability at the right time.
Marie Harrison Strategic Programme Director
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