Public tender

Defence Windows 11 Migration Delayed Due to Technical and Security Issues

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Source ID: UK-ocds-b5fd17-26c85b8a-7069-4f6c-bcd3-e120fa12d051

closedUnited Kingdom

Estimated value

£1.1 Million

As published by the source; may be updated by the buyer.

Scope overview

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.

Statusclosed
CategoryNon-Consulting Services
CountryUnited Kingdom
Publish dateJan 28, 2026
Submission deadlineNov 30, 2025
Estimated value£1.1 Million
Notice typetender_notice
Sourceuk-contracts-finder
BuyerMINISTRY OF DEFENCE
Buyer websitehttps://www.contractsfinder.service.gov.uk/
CityLONDON

Buyer & contacts

Contacts available
3 fields shown publicly. Subscribe to unlock workspace tools (export, alerts, and buyer history).
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Contact name
Jade WhiteUnlock export & alerts
Email
jade.white294@mod.gov.ukUnlock export & alerts
Organization
MINISTRY OF DEFENCEUnlock export & alerts

Tags & Signals

Windows 11 migrationDefence IT rollouttechnical issuessecurity resolutioncontract realignmentproject delayEnd User Servicesschedule adjustment

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