Entrust SSL Cert on Windows 2003 - IIS 6

Installing a Entrust CA SSL Cert on IIS-6 Server.
1- Download Root Certificate as root.cer to the server
- double click it
- Install Certificate
- Next
- Automatically select the certificate store based on the type of certificate
- Next
- Finish
2- Download Chain Root Certificate Chainroot.cer to the server
- double click it
- Install Certificate
- Next
- Place all certificates in the following store
- Next
- Click the Show physical stores box, and then expand the Intermediate Certification Authorities folder. Select Local Computer and click OK.
- Next
- Finish

You will get the below error if you mess step 2
"The security certificate presented by this website was not issued by a trusted certificate authority"

3- Download Server Cert as ServerCert.cer to the server
- In IIS6 go to the website properties
- Directory Security
- Secure Communications - Server Certificate
- Next
- Process the pending request and install the certificate
- Next.
.....
- SSL Port 443
- review and finish