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How to Install Certificate Services with SHA-256 in Server 2012 R2

In this article, How to Install Certificate Services with SHA-256 a.k.a SHA-2 in Server 2012 R2. Please refer Microsoft Article for more about SHA-256.

Open Server Manager–> click on Add Roles and features


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Click on Next


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Select Role-based or feature-based installation and click on Next


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Click on Next


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Select on Active Directory Certificate Services


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Click on Next


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Click on Next


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Select Certificate Authority and Certificate Authority Web Enrollment


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Click on Next

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Click on Next without changing anything as it is all selected by default which required for IIS 

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Click on Next


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Click on Configure Active Directory Certificate Services on the destination server

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Select administrator and Click on Next 


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Select Certificate Authority and Certificate Authority Web Enrollment

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Select Enterprise CA and Click on Next

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Click on Root CA


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Select on Create a new private key

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Select Key Length 4096 Select SHA256


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Select Common name for this CA and Click on Next


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Specify the validity Period and click Next 


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Change the CA database locations if you’re planning to change it to another location. since I am installation in Test Lab, I have left with default. but it is always good to keep it different location.

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so installation is successful. Click on Close


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open Certificate Authority and Click on Properties


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you can see the Hash Algorithm is SHA256


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To verify from Powershell, Run the below command

Certutil -Getreg CA\CSP\CNGHashAlgorithm


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