MNO Migration Architecture and Engineering

Buyer: MINISTRY OF DEFENCE (UK)

Budget: GBP 1.1M

Published: 1/28/2026

Awarded to: Rockstone Technologies

Category: Computer-related professional services

Description

The rollout and migration of the Official user base across the whole of Defence for Windows 11 has been delayed by circa 3 months while the team have investigated and resolved several technical and security issues impacting Win11 users. Contracts linked to the migration were pivoted to help resolve these issues, not that migration has restarted, EUS are having to re-align several contracts and deliverables against the new rollout schedule.

Source: official portal