Windows 11 Migration: The Memphis Small Business Playbook

Windows 10 reached end-of-life on October 14, 2025. If your Memphis business is still running Windows 10 on even one machine in 2026, you are now the exposed one — and a Windows 11 migration for your small business is no longer a someday project. Every computer stuck on Windows 10 runs unpatched, and your cyber-insurance carrier (and, in healthcare, your HIPAA risk analysis) treats it exactly that way: as a liability.

Here’s the part that catches owners off guard. “End-of-life” doesn’t mean your computers stop working. They boot up Monday morning exactly like they did Friday. What stops is the security patching — Microsoft no longer ships fixes for the vulnerabilities attackers keep finding. From Germantown dental practices to Olive Branch distribution centers, we’re seeing the same split: the businesses that treated October 2025 as a hard deadline are fine, and the ones who treated it as a suggestion are one audit or one phishing click away from a very expensive week.

The October 2026 Deadlines

October 2026 added two Microsoft deadlines to last year’s, and both have now passed. Windows 11 Home and Pro, version 24H2, stopped receiving security updates on October 13, 2026, and Windows 10 Extended Security Updates entered Year Two this month, when Microsoft’s per-device ESU price doubled from $61 to $122. So even Memphis businesses that finished their Windows 11 migration on time have a version to check.

Windows 11 24H2 End of Servicing Hits Pro Machines First

Windows 11 isn’t one fixed release. Microsoft ships a new version every year and supports each one for a set window, so “we’re on Windows 11” doesn’t mean “we’re patched.” Microsoft’s Windows 11 Home and Pro lifecycle page put version 24H2’s end of servicing at October 13, 2026, and that date has passed. Enterprise and Education editions of 24H2 get updates until October 12, 2027, but most Memphis small businesses run Windows 11 Pro, so October 13 was the date that applied to you: a Pro PC still on 24H2 has gone without security updates since then. The fix is a version update to 25H2 or 26H2 (released September 29, 2026). On business PCs that already run Windows 11, that’s an update you schedule, not a computer you buy.

SharePoint Server 2019 End of Support Reaches the Server Room

The server closet has the same problem, just quieter. SharePoint Server 2016 and SharePoint Server 2019 reached the end of extended support on July 14, 2026, and on-premises Exchange Server 2016 and 2019 have been out of support since October 14, 2025. Windows 10 came with a paid bridge. For an on-prem SharePoint or Exchange server past its date, the realistic path is migration, not a renewal invoice. That matters because attackers hunt for exactly these unpatched systems: vulnerability exploitation was the top breach entry point in Verizon’s 2026 Data Breach Investigations Report, at 31%. Moving document libraries to SharePoint Online and mailboxes to Exchange Online is the kind of phased project our Memphis cloud services team plans around your workday. Your carrier will ask about it, too: unsupported servers sit right next to MFA on our cyber insurance renewal checklist.

Windows 10 ESU Costs in 2026 After End-of-Life

So what should you actually do about Windows 10 end of life? You have exactly two honest options: migrate the eligible machines to Windows 11 and replace the ones that can’t run it, or buy time with Microsoft’s Extended Security Updates (ESU) while you plan. ESU is a paid stopgap, not a fix. It delivers critical security patches and nothing else, it’s priced per device, and the cost roughly doubles each year Microsoft offers it. For organizations, ESU runs a maximum of three years — and by year three you’re paying a steep annual fee per machine to keep a dead operating system on life support.

What happens if you keep running Windows 10 after end-of-life? Your computers keep working, but every security flaw discovered after October 14, 2025 stays permanently unpatched on those machines. That turns each Windows 10 endpoint into a growing liability. Cyber-insurance carriers increasingly deny claims tied to end-of-life software, a card-processing workstation running an unsupported OS is a PCI DSS finding, and for any healthcare practice, an unsupported operating system fails the risk analysis HIPAA requires. The machine still turns on — that’s exactly why it’s dangerous. It feels fine right up until the day it costs you a claim, a client, or an audit.

This is the same tightening we covered in our 2026 cyber insurance requirements checklist: carriers now expect enforced multi-factor authentication and documented, supported software across your fleet. Roughly 96% of carriers require enforced MFA, and most now treat an end-of-life operating system as a parallel exposure — they decline claims connected to unsupported software the same way they decline claims tied to missing MFA. Microsoft’s own Windows 10 end of support notice is blunt about what ends: after October 14, 2025, there are no more security updates, full stop.

Can Your Business Computers Meet Windows 11 Hardware Requirements?

Before you plan any Windows 11 migration, you have to answer a harder question than most owners expect: can your current computers even run it? Windows 11’s hardware requirements are stricter than any Windows upgrade in a decade, and they’re the reason a lot of perfectly functional business PCs are stranded on Windows 10.

Three requirements trip up business machines. First is TPM 2.0 — a security chip that many pre-2018 computers either lack or have switched off in the BIOS. Second is a supported 64-bit processor from Microsoft’s approved list, roughly Intel 8th-generation and newer or AMD Ryzen 2000-series and newer. Third is Secure Boot. A computer can have plenty of RAM and storage, run your software fine, and still fail the Windows 11 check because a five-year-old processor didn’t make the compatibility list. The Windows 11 hardware requirements for business aren’t about speed — they’re about a security baseline Microsoft decided to enforce at the hardware level.

A computer can run your software fine, boot in seconds, and still be stranded on Windows 10 — because Windows 11 checks for a security chip, not horsepower.

Does your business computer meet Windows 11 requirements? The fastest way to know is to run Microsoft’s free PC Health Check app on each machine, but the short answer for most Memphis small businesses is this: your 2020-and-newer computers almost certainly pass, your 2018–2019 machines are a coin flip that usually turns on whether TPM 2.0 is enabled in the BIOS, and anything from 2017 or earlier will most likely fail. A failed check doesn’t always mean you need a new computer — sometimes TPM is simply switched off in firmware — but for business-class machines older than about six years, replacement is usually cheaper than the labor to chase workarounds. You can check the full list against Microsoft’s Windows 11 system requirements, which spells out the TPM, processor, and firmware baseline in detail.

Windows 11 Migration for Dental, Warehouse, and CPA Systems

Here’s where a generic “just upgrade to Windows 11” article falls apart. The hard part of a migration is almost never the everyday office PCs — it’s the one machine tied to the software your business runs on. In Memphis, that machine looks different in every industry we serve.

In a dental practice, the imaging computer is the problem child. Your Dentrix or Eaglesoft practice-management software usually migrates cleanly, but the PC wired to your intraoral sensors and pan/ceph unit depends on imaging drivers a sensor manufacturer may or may not have certified for Windows 11 yet. Upgrade that machine blind and you can lose imaging mid-exam. This is exactly the kind of vendor coordination we handle for Memphis healthcare practices — we confirm driver support with the imaging vendor before we touch the operating system, not after.

In a warehouse or 3PL, the exposure is spread across a fleet. Zebra handheld scanners, forklift-mounted terminals, and the workstations running your WMS often ship with embedded or older Windows builds that fail the Windows 11 TPM 2.0 and processor check outright. For a DeSoto County distribution center adding capacity as fast as the Olive Branch market is growing, that’s not a single upgrade — it’s a fleet-refresh problem scheduled around live shifts. Our warehouse IT support in Memphis approach stages these so scanners never all go dark at once.

In a CPA firm, timing is everything. The workstations running Lacerte, Drake, or UltraTax cannot become experiments during filing season. A Windows 11 migration for a Memphis accounting firm belongs in the May-through-November window — never January through April — and every tax workstation has to be validated against the current year’s software release before a single return gets filed on it.

The cost of getting this wrong isn’t hypothetical. When a February 2026 ransomware attack forced the University of Mississippi Medical Center — three hours south of us — to pull its electronic medical records offline for hours, it was a reminder that unpatched, unsupported systems are exactly what attackers hunt for. You don’t want the machine that takes down your practice to be the one you already knew was overdue.

A 4-Step Windows 11 Migration Playbook for Memphis Businesses

You don’t need to panic-buy a room full of new computers. A calm, staged Windows 11 migration for a Memphis small business follows four steps, in order.

1. Run a full device audit. Inventory every machine — model, age, processor, RAM, and whether it passes the Windows 11 check. Flag the specialized endpoints (imaging PCs, scanners, tax workstations) separately, because those need vendor confirmation, not just a hardware check. You cannot budget a refresh you haven’t counted, which is why the audit is the single most valuable hour in this whole process. If your current IT provider can’t hand you this inventory on request, that’s one of the signs you’ve outgrown break-fix IT.

2. Triage by eligibility. Sort every machine into three buckets: upgrade in place (passes the check, just needs the Windows 11 install), replace (fails the check or is past its useful life), and stopgap (business-critical, can’t be touched yet, needs ESU or network isolation while you plan). This is where you turn a scary all-at-once number into a manageable, prioritized budget. For help estimating that number, our guide to IT support costs for Memphis businesses breaks down where a hardware refresh actually fits.

3. Stage the replacement. Roll out in waves, not in one weekend. Start with the low-risk office PCs to prove the process, keep a tested backup of every machine before you touch it, and schedule the specialized endpoints around your real calendar — not during a dental practice’s busy morning block or a warehouse’s peak shift. A verified backup and recovery plan is your safety net: if a migration goes sideways, you roll back to a known-good image instead of losing a day. Preparation sets the pace: with Group Policy scripts built before anyone arrived on site, Joe Pennel once replaced 45 end-of-life Windows 7 workstations in three days for a performing arts organization, before he founded Netcosa.

4. Validate the cutover. A machine isn’t “done” when Windows 11 finishes installing. It’s done when the software that runs your business has been tested on it — imaging captures cleanly, the scanner talks to the WMS, the tax return prints. That validation step separates a migration from a gamble, and it’s the heart of what managed IT support in Memphis should deliver: we don’t hand a machine back until we’ve confirmed the thing you actually use it for works.

Windows 10 End-of-Life and Windows 11 Migration FAQs

What happens if I keep running Windows 10 after end-of-life?

Your computers keep working, but every security flaw discovered after October 14, 2025 stays permanently unpatched on those machines. That makes each Windows 10 endpoint a growing target and a compliance problem: cyber-insurance carriers increasingly deny claims tied to end-of-life software, a card-handling workstation on an unsupported OS becomes a PCI DSS finding, and a healthcare practice on Windows 10 fails the risk analysis HIPAA requires. The safest read is that an unsupported OS is a documented liability the moment it’s found, not the moment it’s exploited.

How much does Windows 10 ESU cost in 2026?

Microsoft prices commercial Extended Security Updates at $61 per device for Year One and says the price doubles every consecutive year, so Year Two, which began in October 2026, costs $122 per device. Microsoft also makes ESU cumulative: a business that enrolls during Year Two pays for Year One too, so a 15-PC Memphis office signing up late pays $183 per machine, or $2,745 in total. For organizations, ESU is capped at three years, after which there’s no paid option left at all. Because the fee compounds and only buys you security patches (no features, no real support), ESU almost always costs more over two to three years than simply replacing an aging machine. We treat ESU as a bridge for a handful of business-critical systems you genuinely can’t migrate yet — never as a fleet-wide strategy.

Is Windows 11 24H2 end of servicing the same as Windows 11 end of life?

No. Windows 11 is still supported; 24H2 is one version of it, and end of servicing means that version stops getting security updates. For Windows 11 Home and Pro, 24H2 reached end of servicing on October 13, 2026, while Enterprise and Education editions of 24H2 are serviced until October 12, 2027. The fix is to update each PC to a supported version, either 25H2 (serviced for Home and Pro until October 12, 2027) or 26H2 (released September 29, 2026), not to buy new hardware. Most Memphis small businesses run Windows 11 Pro, so check the version on every machine now: any Pro PC still on 24H2 has been unpatched since October 13.

Does my business computer meet Windows 11 hardware requirements?

Run Microsoft’s free PC Health Check app on each machine for a definitive answer, but the rule of thumb is straightforward: 2020-and-newer business computers almost always pass, 2018–2019 machines depend on whether TPM 2.0 is enabled in the BIOS, and 2017-or-older PCs usually fail. The Windows 11 hardware requirements for business come down to three things — a TPM 2.0 security chip, Secure Boot, and a processor on Microsoft’s supported list (roughly Intel 8th-gen or AMD Ryzen 2000-series and newer). A failed check sometimes just means TPM is switched off in firmware, so a quick BIOS change can rescue a machine you thought was doomed.

How long does a Windows 11 migration take for a Memphis small business?

For a typical Memphis small business with 5 to 25 computers, a well-planned Windows 11 migration takes a few weeks end to end — most of which is scheduling and validation, not install time. The audit and triage take a few days, hardware for machines that need replacing usually arrives within one to two weeks, and the staged rollout happens in evening and weekend waves so nobody loses a workday. The specialized endpoints — imaging PCs, scanner fleets, tax workstations — take the longest because they require vendor confirmation and testing. If you talk to us early, we can usually have you fully off Windows 10 well before your next cyber-insurance renewal or compliance audit.

Get a Free Windows 10 Exposure Audit for Your Memphis Business

Windows 10 end-of-life isn’t a fire drill you have to solve this weekend, but it is a deadline that already passed — and every month you stay on an unsupported OS, the exposure quietly grows. The businesses across Memphis, Germantown, Collierville, and Southaven that handle this well aren’t the ones who spend the most. They’re the ones who inventory first, triage honestly, and replace in planned waves instead of panicking after a claim gets denied.

You don’t have to guess how exposed you are. We’ll run a free Windows 10 exposure audit for your Memphis business — a machine-by-machine inventory that tells you exactly which computers pass the Windows 11 check, which need replacing, and which specialized systems need vendor coordination before anyone touches them. Schedule your free Windows 10 exposure audit and we’ll build the staged upgrade plan around your calendar, your software, and your budget. Call us at (901) 306-7575 — a real person answers, and our Memphis team can show up the same day.