ECS runs Windows containers on EC2 and on Fargate, which is the fastest way to get .NET Framework apps off hand-managed Windows servers. Porting to modern .NET on Linux takes longer and removes the Windows licence. The cost, the effort and the gotchas of each.
Book a free 30-minute call. You'll leave knowing what we'd do first and roughly what it costs, whether or not you hire us.
The container's Windows version must be compatible with the host's. Plan image rebuilds for each Windows Server release you move to.
Apps that rely on the registry, local services, COM components or domain membership need extra work, such as group Managed Service Accounts for Active Directory authentication.
Windows images are large; pre-cache them on EC2 hosts or accept longer starts.
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Book a free 30-minute call about it. Bring your setup and your bill; you'll leave knowing what we'd do first and roughly what it costs, whether or not you hire us.
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As of October 25, 2026. Provided as is, for general information, and accurate to the best of our knowledge on the date shown. Not legal, compliance, tax, financial or other professional advice. Prices, limits and vendor services change; check current vendor documentation before relying on anything here. Terms of use.