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Export the keypair (optional)
- Open an MMC window
- Add the Certificates snap-in
- Note: certain certificates can only be requested by user or computer accounts; set the snap-in account appropriately
- Expand Certificates then Certificate Enrollment Requests then Certificates
- Right Locate then right click on the certificate to export and select
- Select All tasks... then Export...
- Click Next then select Yes, export the private key
- Click Next twice
- Check the Password box and set a complex password
- Click Next
- Specify a file name for the certificate request
- Click Next then click Finish
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