How to trust IISExpress self-signed certificate

I had some projects that requires me to create a webservice through a secure layer, and I was having a problem connecting to my webservice because the certificate is not trusted in client’s side, causing the connection couldn’t established. The solution for this problem is quite simple, we just need to import the certificate to the Trusted Root Certification Authorities. So, here are the steps…

1. Press window button and type mmc.exe, and click on the icon 

2. Go to File > Add /Remove Snap-in… (Or simply press Ctrl+M)

3. Highlight Certificates and click on Add

4. Select Computer Account

5. Select Local Computer and click Finish

6. Click OK

7. Browse Certificates> Personal > Certificates and locate the localhost certificate

8. Right click on localhost certificate, click All Task> Export

9. Click Next

10. Choose Yes, export the private key and click Next

11. Tick include all and click Next

12. Type in your password (you must remember this password to import the certificate later)

13. Click Finish

14. Expand this section

15. Right click on Certificates > All Task> Import

16. Click Next

17. Locate the pfx file that we saved earlier and click Open

18. Click Next

19. Type in the password that we’ve been specified earlier, and click Next

20. Click Next

21. Click Finish

22. Make sure your certificate is imported to Trusted Certification Authorities

And voila, we’re done! after we imported this certificate to the Trusted Root CA, the connection will be established to the webservice that we configured using SSL.