win-acme

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On the record

ACME providers

The site lists compatibility with Let’s Encrypt, ZeroSSL, DigiCert, Sectigo, Buypass and Keyon.win-acme.com · read 10 Oct 2026

Automation

The program supports unattended command-line operation, JSON-file configuration, PowerShell scripts and custom plugins written in C#.win-acme.com · read 10 Oct 2026

Certificate setup

Its simple interface creates and installs certificates on a local IIS server, with an advanced interface for other use cases including Apache and Exchange.win-acme.com · read 10 Oct 2026

Certificate storage

Certificates can be stored in Windows, the IIS Central Store, PEM files, PFX files or KeyVault.win-acme.com · read 10 Oct 2026

Certificate types

It can obtain wildcard and international-name certificates, and supports the optional OCSP Must Staple extension.win-acme.com · read 10 Oct 2026

Intended users

The site describes the program as suitable for simple local IIS certificate setup and says it can grow to cover more advanced scenarios.win-acme.com · read 10 Oct 2026

Private-key protection

The site says cached private keys are encrypted and protected by filesystem access control lists by default.win-acme.com · read 10 Oct 2026

Renewals

The program creates a scheduled task that checks daily whether certificates need renewal.win-acme.com · read 10 Oct 2026

Security

Encryption of sensitive configuration information using Microsoft Data Protection API is enabled by default and can be turned off.win-acme.com · read 10 Oct 2026

Support

Community support is provided through GitHub issues, while guaranteed future professional support is offered in connection with sponsoring a core developer.win-acme.com · read 10 Oct 2026

System requirements

The site says the current program depends on .NET 7 and officially supported Windows Server 2016 or higher; older releases may work on older Windows versions but are unsupported.win-acme.com · read 10 Oct 2026

Validation integrations

Its validation toolkit includes DNS, HTTP and TLS options, with examples including acme-dns, Azure, Route53 and Cloudflare.win-acme.com · read 10 Oct 2026

What it does

win-acme is an ACMEv2 client for Windows for obtaining certificates from Let’s Encrypt and other ACME services.win-acme.com · read 10 Oct 2026

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