Still Running Windows Server 2016? Here’s the Risk Most Small Businesses Are Missing
If your business is still using Windows Server 2016, there’s a deadline you need to know:
👉 12th January 2027 – Microsoft ends support
That might sound a while off, but leaving this too late is where things get expensive and risky.
What actually happens after January 2027?
In simple terms:
- ❌ No more security updates
- ❌ No more bug fixes
- ❌ No more support from Microsoft
Your server won’t suddenly stop working — but it will become vulnerable.
That can impact:
- Cyber insurance
- Cyber Essentials compliance
- Your ability to win or retain contracts
Your options (plain English)
1 - Do nothing
Cheap now… risky later. Not recommended.
2 - Upgrade (best option)
Move to a newer version (e.g. Server 2025)
- Fully supported
- More secure
- Future-proof
3 - ESUs (Extended Security Updates)
A temporary workaround if you’re not ready to upgrade.
- Security patches only
- Available for up to 3 years
- Costs increase every year (they double annually)
👉 In most cases, ESUs end up costing more than just upgrading.
Quick checklist
- Do you have any Server 2016 machines?
- What are they used for?
- Are they business-critical?
- Do you have a plan before 2027?
- Are your software applications supported by Windows 2025
The key takeaway
This isn’t about fixing something broken.
It’s about avoiding:
- Security risk
- Compliance issues
- A last-minute, rushed (and costly) upgrade
👉 The businesses that act early always spend less and stay in control.
If you’re unsure where you stand, let’s make it simple.