AIIT SupportManaged Service Why AI-ready managed services are replacing traditional IT models We explore what modern managed services should do for your business – and why it can be the key to success.... AwardsCompany Update Infinity Group CEO named one of the UK’s Top 50 Most Ambitious Business Leaders for 2025_ Rob Young, CEO of Infinity Group, has been recognised as one of The LDC Top 50 Most Ambitious Busine...... AI AI agent use cases: eliminating project risk_ Find out how we’re using AI agents internally to streamline manual project work and eliminate risk for our clients....
AwardsCompany Update Infinity Group CEO named one of the UK’s Top 50 Most Ambitious Business Leaders for 2025_ Rob Young, CEO of Infinity Group, has been recognised as one of The LDC Top 50 Most Ambitious Busine...... AI AI agent use cases: eliminating project risk_ Find out how we’re using AI agents internally to streamline manual project work and eliminate risk for our clients....
AI AI agent use cases: eliminating project risk_ Find out how we’re using AI agents internally to streamline manual project work and eliminate risk for our clients....
Key takeaways_ Windows Server 2016 reaches end of life on 12 January 2027, meaning no security updates, support or compliance cover. Staying on Server 2016 increases security, compliance and operational risk, and makes your estate a growing target for attackers. Upgrading, moving to Azure or adopting a hybrid approach now avoids last‑minute risk and gives you a safer, more resilient platform for the future. The clock is ticking for organisations still running Windows Server 2016. With extended support ending on 12th January 2027, the operating system is rapidly approaching its official end of life — meaning no more security updates, bug fixes or technical support from Microsoft. For organisations still running with Windows Server 2016, it also means a growing operational and security risk that can affect compliance, resilience and business continuity. Whether you’re overseeing a complex on‑prem estate or a hybrid environment, understanding what Windows Server 2016 end of life means and what to do next, is essential to protect your organisation and plan a safe, modern path forward. In this blog, we explore the key dates and information you need to know, alongside practical advice on how to move forward. Windows Server 2016 end of life at a glance_ Windows Server 2016 is now well into the final phase of its Microsoft support lifecycle. Two milestones matter for organisations still relying on it: Mainstream support ended on 11th January 2022. This means Microsoft stopped providing feature updates, design changes and complimentary support several years ago. For most businesses, this was the point where Windows Server 2016 stopped evolving and became a ‘maintenance-only’ platform. Extended support ends on 12th January 2027. This is when the platform officially hits end of life. On 12th January 2027, the following changes take effect: No security patches: Microsoft will stop issuing fixes for newly discovered vulnerabilities. Any exploit targeting Server 2016 after January 2027 will remain permanently unpatched, significantly increasing the likelihood of ransomware, data breaches or lateral movement attacks within your environment. No bug fixes: Performance issues, stability problems or functional defects uncovered after the EOL date will never be addressed. This can lead to unpredictable behaviour, degraded service levels and increased downtime, especially for mission‑critical workloads. No technical support: Organisations will lose access to Microsoft’s troubleshooting assistance, escalation paths and support engineering. If a major issue arises, you’re effectively on your own unless you have third-party support arrangements in place. Increasing incompatibility and application issues: Unsupported operating systems struggle to keep pace with modern software. Over time applications may stop supporting Server 2016 entirely and integrations with modern service become more fragile and harder to maintain. This isn’t a sudden cliff-edge; compatibility degrades gradually, creating operational friction and technical debt long before and well after the 2027 deadline. Why Windows Server 2016 end of life matters_ The end of life for Windows Server 2016 is a strategic risk that affects your entire organisation. Once extended support ends in January 2027, the operating system becomes increasingly attractive to attackers because newly discovered vulnerabilities will never be patched. Unsupported servers quickly turn into easy entry points for ransomware, privilege escalation and lateral movement attacks, especially given how widely Windows Server 2016 is still deployed in the mid‑market. For many executive teams, the bigger shock comes from the compliance and regulatory implications. Frameworks such as PCI DSS, HIPAA and Cyber Essentials require organisations to run supported operating systems as a basic condition of accreditation. After Windows Server 2016 reaches end of life, businesses continuing to use it may face failed audits, increased scrutiny from insurers and even contractual issues with vendors. In highly regulated industries, running an unsupported server can quickly escalate from a technical concern to a governance and reputational risk. There is also a clear financial and operational angle. Delaying action typically leads to reactive, high‑pressure migrations, elevated downtime risk and higher incident‑response costs. A breach caused by an unpatched server costs significantly more than a planned modernisation programme, both in direct recovery expenses and in lost business continuity. Without security updates, vulnerabilities remain permanently open and exploitable — giving attackers a stable, predictable target. Over time, unsupported servers also become more prone to crashes, instability and performance issues as surrounding systems evolve while the OS remains frozen in time. Critical workloads become harder to operate reliably, and IT teams spend more time firefighting than modernising. So, choosing to “wait and see” with Windows Server 2016 is effectively choosing to take on long‑term, compounding risk. That’s why taking action – and the right action – matters now. What about Extended Security Updates (ESUs)? As Windows Server 2016 approaches its end‑of‑life deadline, many organisations may consider Extended Security Updates (ESUs) as a temporary safety net. ESUs are Microsoft’s short‑term solution for businesses that need more time to modernise their server estate. They provide critical security updates only and nothing beyond that. No feature additions, no performance improvements, no bug fixes and no Microsoft support incidents are included. Their purpose is simple: to keep legacy systems minimally protected while you complete your migration plans. ESUs are available for three years after the end‑of‑support date, offering coverage from 2027 to 2029. However, they are intentionally priced as a short-term measure: the cost increases every year, making ESUs progressively expensive and unsuitable as a long‑term strategy. For many organisations, relying on ESUs can end up costing more than planning a structured upgrade or cloud migration. It’s also important to understand what ESUs don’t solve. They won’t resolve stability issues, application incompatibilities, or technical debt that accumulates on an ageing operating system. Because ESUs provide security patches only, any operational problems, performance degradation or integration challenges remain unaddressed, and often worsen as surrounding systems continue to evolve. In short: ESUs can help buy time, but they won’t move your business forward. Your migration options_ As Windows Server 2016 approaches end of life, you have three clear pathways to reduce risk and modernise their infrastructure. Each option carries different considerations around cost, complexity and long‑term strategic value, but all are significantly safer than remaining on unsupported systems. Windows Server 2025: The most straightforward route is to upgrade to a newer version of Windows Server, with Windows Server 2025 emerging as Microsoft’s most secure, cloud‑connected release to date. It delivers enhanced protection, improved performance and modern hybrid capabilities, making it the natural successor for organisations that want to stay on‑premises while still benefiting from the latest security and management features. Azure migration: For organisations looking to modernise more boldly, migrating workloads to Azure offers the greatest long‑term flexibility. Azure provides built‑in hybrid features, simplified management and reduced operational overhead, while also unlocking additional benefits such as receiving Extended Security Updates at no extra cost for migrated Windows Server 2016 workloads. This makes Azure an especially compelling option for businesses aiming to reduce data‑centre reliance, improve resilience and streamline compliance. Hybrid approach: Some organisations opt for a phased approach by adopting a hybrid cloud model — combining on‑premises servers with Azure resources during the transition period. This allows teams to modernise incrementally, reduce immediate migration pressure and align change with business priorities. Hybrid models are particularly valuable where legacy applications still need time to be refactored, replaced or validated in a cloud environment. While the end‑of‑life deadline may seem distant, successful server modernisation rarely happens overnight. Discovery, dependency mapping, compatibility testing, budgeting, stakeholder approval and phased migration all take time — often several months for even moderately complex estates. For most organisations, planning should begin now to avoid last‑minute risk, cost escalation and operational disruption. Acting early enables controlled change rather than rushed emergency upgrades. Your 90-day plan_ A structured 90‑day plan helps you build momentum quickly while reducing risk. Here’s how to break it down clearly into phases that ensure you meet the deadline without overwhelming your IT teams and wider business. Day 0-30: Assess and understand your estate_ Identify all Windows Server 2016 instances across the estate (including shadow IT and forgotten workloads) Map dependencies, including applications, databases, integrations and network touchpoints Highlight critical systems that cannot fail (those that are mission‑critical, public-facing and compliance‑dependent) Flag workloads unsuitable for in‑place upgrades (e.g. unsupported hardware, legacy apps) Document risks, technical constraints and areas requiring remediation. Day 31-60: Evaluate, prioritise and plan_ Review hardware and application compatibility with Windows Server 2025 or Azure Identify modernisation opportunities — assess whether to refactor existing apps, replace them with modern alternatives, retire what’s no longer needed or migrate workloads to new platforms Prioritise workloads based on risk: High risk → public-facing + compliance-heavy Medium risk → line-of-business systems Lower risk → internal or non‑critical systems Build a migration roadmap with timelines, owners, budget requirements and internal approvals. Align technical plans with business cycles, change freezes and operational constraints. Day 61-90: Execute, validate and optimise_ Begin migrating in waves, starting with non-critical workloads to validate processes Test applications and integrations thoroughly in the target environment Optimise configurations, performance and monitoring post‑migration Apply lessons learned to accelerate subsequent waves Finalise sequencing for high‑risk workloads and schedule remaining migrations Establish a communication plan for stakeholders and service owners Get ready for Windows Server 2016 end of life now_ Windows Server 2016 end of life is approaching fast. The closer you get to the Janaury 2027 deadline, the higher the risks: unpatched vulnerabilities, compliance failures, unexpected downtime, higher operational costs and pressure on already stretched IT teams. Modernising now protects your business and positions it for long‑term resilience and growth – and it feels a lot better than firefighting later. But it requires action. And the transition doesn’t need to be disruptive or rest completely on your organisation’s shoulders. We have years of experience helping organisations move away from ageing platforms safely, smoothly and strategically. We support you end‑to‑end by: Assessing your current environment: Identifying affected systems, dependencies, risks and recommended upgrade or migration routes. Building a clear, business‑aligned roadmap: Prioritising what to modernise, migrate, upgrade or replace based on risk, value and operational impact. Delivering the change: With structured planning, minimal downtime and proven technical expertise across on‑prem, cloud and hybrid environments. Supporting compliance: Helping ensure your estate stays aligned with Cyber Essentials and other security and regulatory standards. If you need support, get in touch to discuss your forward roadmap or find out more about our migration services.
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AIDigital TransformationMicrosoft 365 Can the right tech solve the workplace burnout epidemic? With more employees hit by workplace burnout than ever, we explore whether technology can end the frustration and the solutions that help. wo... Cloud ComputingMicrosoft 365 SQL Server 2016 end of support: everything you need to know_ SQL Server 2016 end of support is coming in July. We explain everything you need to know if you’re using it still....
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