Time moves fast in the world of technology, and operating systems that once felt cutting-edge are becoming obsolete. With Microsoft having set the deadline for Windows Server 2016 End of Support to January 12, 2027, the clock is ticking for businesses that use this operating system.

Once support ends, Microsoft will no longer provide security updates or patches, leaving your business systems vulnerable. It’s not just about missing new features, continuing to use unsupported software significantly increases the risk of cyberattacks.

If you’re still running Windows Server 2016, now is the time to start planning your upgrade. With roughly a year left before support ends, delaying can lead to rushed decisions, unexpected complications, and higher costs.

Assessing Security Risks and Consequences

When support ends, the protection provided by security updates and patches disappears, as Microsoft will no longer fix bugs or vulnerabilities. Hackers often target unsupported systems, knowing any new exploits will go unpatched and open the door to attacks.

Legacy systems put IT administrators in a tough spot. Without vendor support, defending against threats becomes nearly impossible, compliance with industry regulations is compromised, and running unsupported software can lead to failed audits.

Additionally, customer data on servers running this operating system is vulnerable to theft and ransomware. The cost of a breach far outweighs the cost of upgrading. Using unsupported systems is like driving a faulty, uninsured car, failure is inevitable. The question isn’t if it will happen, but when.

Why Cloud Migration Makes Sense

With the end-of-support deadline approaching, businesses face a choice: purchase new physical servers that run the latest Windows Server editions, or migrate their infrastructure to the cloud. Investing in new hardware and software comes with substantial upfront costs and locks you into that capacity for five years, the typical span of mainstream support for Windows Server, plus an additional five years for Long-Term Servicing Channel (LTSC) releases.

On the other hand, a cloud migration strategy offers a more flexible alternative. Platforms such as Microsoft Azure or Amazon’s AWS cloud services, allow you to select virtualized computing resources such as servers and storage, which can scale as needed. On these platforms, you only pay for what you use, transforming your IT spending from capital expenditure to operating expense.  

The cloud provides greater reliability and disaster recovery, eliminating concerns about hard drive failures in your server rack. Cloud providers handle the management and upgrades of the physical infrastructure, freeing your IT team to focus on driving business growth.

Evaluate Your Current Workload Environment

Before migrating to the cloud, start by understanding your current environment. Take a full inventory of all applications running on your Windows Server 2016 systems. Some may be cloud-ready, while others could require updates or reconfiguration to ensure compatibility.

Identify which workloads are critical to your daily operations and prioritize them in your migration plan. You may also discover applications you no longer need, making this an ideal time to streamline and clean up your environment.

When in doubt, consult with your software vendors to confirm compatibility, as they might have specific requirements for newer operating systems. Gathering this information early helps you to avoid surprises during the actual migration.

Build a Structured Migration Roadmap

When transitioning to a new system, moving everything at once is risky, ‘big bang’ migrations often cause downtime and confusion. The best approach is a phased migration to manage risk effectively. Begin with low-impact workloads to test the process, then proceed to medium and high-impact workloads once you’re confident everything runs smoothly.

Build a timeline that comfortably precedes the end-of-support deadline, then work backward from that date. This proactive approach provides ample buffer for testing and troubleshooting, reducing the risk of rushed migrations that often lead to costly errors and security vulnerabilities.

Communicate the schedule to your staff clearly, they need to know when maintenance windows will occur, so that they can also manage their workflows effectively. Managing expectations is just as important as managing servers, and you don’t want to get in your own way. A smooth transition requires everyone to be informed and on the same page.

Verify and Validate

Once you migrate a workload, it’s essential to verify that it functions as expected. Key questions to ask include: Does the application launch correctly? Can users access their data without permission errors? Testing is the most critical phase of any migration.

After migration, run extensive performance benchmarks to compare the new system with the old one. The cloud should offer equal or better speed, and if things are slow, you might need to adjust resources. Optimization will be a normal part of the migration process, until you find the perfect balance that works for you.

The summarized steps for a successful migration include:

• Audit all current hardware and software assets
• Choose between an on-premise upgrade or a cloud migration
• Back up all data securely before making changes
• Test applications thoroughly in the new environment
• Do not declare victory until users confirm everything is working.

Why Doing Nothing Can Be Expensive

Delaying past the end-of-support deadline isn’t an option. Waiting until the last minute and rushing a migration exposes your business to serious risk. Outdated systems are prime targets for cybercriminals, who use automated tools to scan for vulnerabilities and exploit them quickly.

If you continue using Windows Server 2016 past the extended support dates, you may need to purchase ‘Extended Security Updates.’ While Microsoft offers this service, it is extremely costly, and the price rises each year, making it more a penalty for delay than a sustainable long-term solution.

Start Your Infrastructure Modernization Now

If your business still relies on Windows Server 2016, the end of support marks a pivotal moment for your IT strategy, upgrading your technology stack is no longer optional. Whether you choose new hardware or a cloud solution, decisive action is required.

Take this opportunity to enhance your legacy system’s security and efficiency, ensuring your modern business runs on a modern infrastructure. Don’t let time compromise your data’s safety, plan your migration today and safeguard your future.

Concerned about the approaching Windows Server 2016 end-of-support deadline? WGTech specializes in smooth migrations to the cloud and modern server environments. Let us take care of the technical heavy lifting, contact us today to begin your upgrade plan.

Article used with permission from The Technology Press.