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4 Nov 2023

Windows Server 2012 R2 end of life; what to do next

Windows Server 2012 R2 has been a reliable workhorse for businesses and organisations for many years. However, all good things must end, and in this case, it’s the end of support for Windows Server 2012 R2.

As of October 10, 2023, Microsoft has officially ended extended support for this operating system. This blog post will explore what this means for your organisation and guide what to do next.

Understanding end-of-life

When Microsoft ends support for an operating system, it will no longer provide security updates, bug fixes, or technical assistance. This can leave your server vulnerable to security threats and compatibility issues. Here’s what you need to know about Windows Server 2012 R2 end of life.

No more security updates: Without regular security updates, your server becomes an attractive target for cyberattacks. New vulnerabilities found won’t be patched, putting your data and operations at risk.

Compliance concerns: Many industries and regulatory bodies require businesses to use supported and secure software. Running an unsupported OS can lead to compliance issues.

Software compatibility: As new software and applications are developed, they may not be compatible with Windows Server 2012 R2. This can hinder your organisation’s ability to adapt to changing technology needs.

What to do enxt? You have four options

1. Upgrade to a supported OS

The most straightforward solution is to upgrade to a newer, supported version of Windows Server, such as Windows Server 2019 or the latest version available. However, you should plan the migration carefully, considering data backups and application compatibility.

2. Consider cloud solutions

Consider migrating your workloads to the cloud. Services like Microsoft Azure offer robust options for hosting your applications and data securely while ensuring you’re always on a supported platform.

3. Evaluate server hardware

Alongside the OS upgrade, assess your server hardware. Older hardware may not be compatible with newer operating systems. It might be an opportune time to invest in new, more efficient and capable server hardware.

4. Seek professional assistance

Migrating servers and upgrading an operating system can be complex. Consider consulting with IT professionals or third-party service providers specialising in server migrations and upgrades.


Windows Server 2012 R2 end of life marks a critical juncture for your organisation’s IT infrastructure. Ignoring this transition can lead to security risks, compliance issues, and operational challenges.

By planning and executing a well-thought-out migration strategy, you can ensure your organisation continues to operate efficiently and securely on a supported platform. Don’t wait; start planning your migration today.
Nathan Charles

By Nathan Charles