Generate CSR for Client

  1. From Microsoft Windows, click Start.

  2. In the Search programs and files field, type certmgr and select Manage computer certificates.

  3. Right-click the Personal folder.

  4. Select All Tasks > Advanced Operations > Create Custom Request.

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Creating CSR for Client

  1. The Certificate Enrollment wizard will open > click Next.

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Certificate Enrollment Window

  1. Select the option to Proceed without enrollment policy > click Next.

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Selecting Certificate Enrollment Policy

  1. Click Next at the Custom Request window.

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Custom Request window

  1. From the Details drop down menu click Properties.

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Certificate Information window

  1. Enter a Friendly Name of your choice.

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Certificate Properties window

  1. Access the Subject tab > in the Subject name: Type: field add the following distinguish name values:

Example:

  • CN = <Username>: The technical user in the CMS group of the AD.

  • O = <Organization>: The registered organizational name the certificate belongs to.

  • C = <Country/region>: The two letter ISO country code.

  • DC = <Domain>: This is the domain name which has been assigned by the CMS Administrator and which is used in this system. Example: DC=demopkilocal.

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Certificate Properties Window

For a CMP Client Certificate, the content of the "Subject" field must be generated with the CN and DC.

  1. Click on Extensions.

    1. Add below Key usage extensions.

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Certificate Properties window

b. From Extended Key usage select Server Authentication and Client Authentication.

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Certificate Properties window

c. Enable Basic constraints and set path length value as 0.

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Certificate Properties window

  1. Click the Private Key tab > click the drop down for Key options > select Key size: 2048 and check the option to Make private key exportable > Click OK.

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Certificate Properties window

  1. Click Next > Click Browse.

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Saving Offline Request

  1. Select a location to save the CSR file. Enter a name for the file and click Save.

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Save As window

  1. Click Finish.

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Finish CSR generation

  1. The CSR file will be saved at the selected location.