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How to Install and Configure SSL Certificate on Windows Server

The following instructions will guide you through the SSL installation process on Microsoft IIS . If you have more than one server or device, you will need to install the certificate on each server or device you need to secure.

How to Create Your CSR on Windows Server

Using IIS to Create Your CSR

  1. In the Windows start menu, type Internet Information Services (IIS) Manager and open it.
  2. In Internet Information Services (IIS) Manager, in the Connections menu tree (left pane), locate and click the server name. IIS 10 Create CSR
  3. On the server name Home page (center pane), in the IIS section, double-click Server Certificates.
  4. On the Server Certificates page (center pane), in the Actions menu (right pane), click the Create Certificate Request… link. IIS 10 Create CSR
  5. In the Request Certificate wizard, on the Distinguished Name Properties page, provide the information specified below and then click Next:

    Common name: Type the fully-qualified domain name (FQDN) (e.g., www.example.com).

    Organization: Type your company’s legally registered name (e.g., YourCompany, Inc.).

    Organizational unit: The name of your department within the organization. Frequently this entry will be listed as “IT”, “Web Security,” or is simply left blank.

    City/locality: Type the city where your company is legally located.

    State/province: Type the state/province where your company is legally located.

    Country: In the drop-down list, select the country where your company is legally located. IIS 10 Add CSR Details
  6. On the Cryptographic Service Provider Properties page, provide the information below and then click Next.

    Cryptographic In the drop-down list, select Microsoft RSA SChannel Cryptographic Provider, service provider: unless you have a specific cryptographic provider.

    Bit length: In the drop-down list select 2048, unless you have a specific reason for opting for largerbit length.
    IIS 10 Add CSR Details
  7. On the File Name page, under Specify a file name for the certificate request, click the box to browse to a location where you want to save your CSR.

    Note: Remember the filename that you choose and the location to which you save your csr.txt file. If you just enter a filename without browsing to a location, your CSR will end up in C:\Wind\System32.
    IIS 10 Add CSR Details
  8. When you are done, click Finish.
  9. Use a text editor (such as Notepad) to open the file. Then, copy the text, including the —–BEGIN NEW CERTIFICATE REQUEST—– and —–END NEW CERTIFICATE REQUEST—– tags, and paste it into the DigiCert order form.

    IIS 10 Add CSR Details
  10. After you receive your SSL certificate from DigiCert, you can install it.

How to install SSL certificate and configure the server to use it

To install and assign each additional SSL certificate, repeat the steps below, as needed.

  1. On the server where you created the CSR, save the SSL certificate .cer file (e.g., your_domain_com.cer) that DigiCert sent to you.
  2. In the Windows start menu, type Internet Information Services (IIS) Manager and open it.
  3. In Internet Information Services (IIS) Manager, in the Connections menu tree (left pane), locate and click the server name. IIS 10 Install SSL Certificate
  4. On the server name Home page (center pane), in the IIS section, double-click Server Certificates.
  5. On the Server Certificates page (center pane), in the Actions menu (right pane), click the Complete Certificate Request… link. IIS 10 Install SSL Certificate
  6. In the Complete Certificate Request wizard, on the Specify Certificate Authority Response page, do the following and then click OK:

    File name containing the Click the box and browse to and select the .cer file
    certificate authority’s response: (e.g., your_domain_com.cer) that DigiCert sent to you.  

    Friendly name: Type a friendly name for the certificate. The friendly name is not part of the certificate; instead, it is used to identify the certificate. We recommend that you add DigiCert and the expiration date to the end of your friendly name, for example: yoursite-digicert-(expiration date). This information helps identify the issuer and expiration date for each certificate. It also helps distinguish multiple certificates with the same domain name.  

    Select a certificate store In the drop-down list, select Web Hosting. for the new certificate: IIS 10 Install SSL Certificate
  7. Now that you’ve successfully installed your SSL certificate, you need to assign the certificate to the appropriate site.
  8. In Internet Information Services (IIS) Manager, in the Connections menu tree (left pane), expand the name of the server on which the certificate was installed. Then expand Sites and click the site you want to use the SSL certificate to secure. IIS 10 Assign SSL Certificate
  9. On the website Home page, in the Actions menu (right pane), under Edit Site, click the Bindings… link.
  10. In the Site Bindings window, click Add. IIS 10 Assign SSL Certificate
  11. In the Add Site Bindings window, do the following and then click OK:

    Type: In the drop-down list, select https.

    IP address: In the drop-down list, select the IP address of the site or select All Unassigned.

    Port: Type port 443. The port over which traffic is secure by SSL is port 443.

    Host name: Type the host name that you want to secure.

    Require Server After you enter the host name, check this box.
    Name Indication: This is required for all additional certificates/sites, after you’ve installed the first certificate and secured the primary site.

    SSL certificate: In the drop-down list, select an additional SSL certificate (e.g., yourdomain2.com). IIS 10 Assign SSL Certificate
  12. You have successfully installed another SSL certificate and configured the website to accept secure connections.