This article shows how a server certificate is made as a full chain certificate

Instructions

1. Export the SSL certificate from the server with the private key and any intermediate certificates into a .pfx file.
2. Import the SSL certificate and private key on the new server.

How to import the certificate in MMC :

* Import the certificate :


Adding the password and making sure we select Mark this key as exportable as mentioned in below screenshot :

*

Export the certificate from the Windows MMC console

Note: These instructions will have you export the certificate using the MMC console. If you have Windows Server 2008 or higher (IIS7 or higher) you can also import and export certificates directly in the Server Certificates section in IIS
 

1. Click on the Start menu and click Run.
2. Type in mmc and click OK.

3. Click on the File menu and click Add/Remove Snap-in...


5. If you are using Windows Server 2003, click on the Add button. Double-click on Certificates.



5. Click on Computer Account and click Next.


6. Leave Local Computer selected and click Finish.



7. If you are using Windows Server 2003, click the Close button. Click OK.


8. Click the plus sign next to Certificatesin the left pane.




9. Click the plus sign next to the Personal folder and click on the Certificates folder. Right-click on the certificate you would like to export and select All Tasks and then Export...


10. In the Certificate Export Wizard click Next.


11. Choose "Yes, export the private key" and click Next.



12. Click the checkbox next to "Include all certificates in the certification path if possible" and "Export all extended properties" then click Next.


13. Enter and confirm a password. This password will be needed whenever the certificate is imported to another server.



14. Click Browse and find a location to save the .pfx file to. Type in a name such as "mydomain.pfx" and then click Next.



15. Click Finish. The .pfx file containing the certificates and the private key is now saved to the location you specified.



This certificate will be a full chain certificate and the size of this certificate will be equal to or more than 5kb.