# MNO Migration Architecture and Engineering

> A sourced UK public sector contract award published by MINISTRY OF DEFENCE.

## Key facts

- Buyer: [MINISTRY OF DEFENCE](/buyers/ministry-of-defence/contract-awards)
- Supplier: [Rockstone Technologies Ltd](/suppliers/rockstone-technologies/public-sector-contract-awards)
- Award value: £1,094,338
- Tender value: £1,094,338
- Award date: 30 November 2025
- Published: 28 January 2026
- Contract start: 1 December 2025
- Contract end: 31 March 2026
- Stage: awarded
- Procurement category: services
- Notice ID: b14d7595-aabc-41cc-8fe5-935932b69972-881036
- OCID: ocds-b5fd17-26c85b8a-7069-4f6c-bcd3-e120fa12d051

## 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\.

## Related contract awards

- [European Agency Fuel Cards - Request for Information \(RFI\)](/contracts/ocds-b5fd17-74bef40d-4c85-46d1-b8f9-ffb5827a4f7d) — MINISTRY OF DEFENCE
- [The Provision of ePortfolio Services to the Army Apprenticeship Programme](/contracts/ocds-b5fd17-9dbd3375-7ef8-43f2-97a9-b3d2ea42f635) — MINISTRY OF DEFENCE
- [705925450 - Soldier System Contract Call Offs for July 2026](/contracts/ocds-b5fd17-43e4c8f4-34bd-4e58-93a4-232c10220ee4) — MINISTRY OF DEFENCE
- [Provision of Furniture at Catterick Integrated Care Centre \(CICC\)](/contracts/ocds-b5fd17-306c3275-3205-47a0-af0a-92a1f8503e43) — MINISTRY OF DEFENCE
- [Resolver Official & Secret, VDS, GDNNet, EUS\(O\), EUS\(S\) & DRM](/contracts/ocds-b5fd17-f106456e-134c-47e9-8ac2-f08e795952bc) — MINISTRY OF DEFENCE
- [FUSECODE Secret Capability Delivery Management](/contracts/ocds-b5fd17-5fad9e5c-b55b-4edd-aa29-c7dc7c4695df) — DIGITAL DEFENCE LIMITED
- [EUS Secret Capability Delivery Management Outcomes](/contracts/ocds-b5fd17-d9ea2381-4958-41e7-b96a-a7ad78a855dc) — DIGITAL DEFENCE LIMITED
- [MNO Architect and Engineer Support](/contracts/ocds-b5fd17-f562626e-4ee9-4fba-aa94-5f6ba0ccf2e5) — DIGITAL DEFENCE LIMITED
- [Cycle Training Services](/contracts/ocds-b5fd17-725a2693-bd9b-4e2c-89c8-9b807c5ad4c2) — London Borough of Southwark
- [Pre Employment Screening](/contracts/ocds-b5fd17-b9bbb675-8670-474b-984e-7194e7b5c534) — STUDENT LOANS COMPANY LIMITED
- [EPR Implementation Delivery Partner - Business Change Services](/contracts/ocds-b5fd17-4cb101a3-0ebf-4a2e-a25b-2ae3c8ad35a1) — United Lincolnshire Teaching Hospitals NHS Trust
- [Taxi and MPV \(1-8 seats\) Passenger Assistant - Taxi and MPV \(1-8 seats\) Passenger Assistant](/contracts/ocds-b5fd17-72db28b1-c882-4e40-8470-acd916a51a98) — East Sussex County Council

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/b14d7595-aabc-41cc-8fe5-935932b69972-881036)