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instead of installing the specific certificate &quot;host.domain.com&quot;, you could create a wildcard certificate &quot;*.domain.com&quot; which would cover various websites under domain.com. &nbsp;Other then that, did you install the certificate on the computer in question(when the warning pops up, follow the 'install' button into a trusted folder).
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instead of installing the specific certificate "host.domain.com", you could create a wildcard certificate "*.domain.com" which would cover various websites under domain.com.  Other then that, did you install the certificate on the computer in question(when the warning pops up, follow the 'install' button into a trusted folder).

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I recently setup a Microsoft Certifiate server and installed a certificate on one of my websites. My certificate server is not available outside the firewall. Everything appears to be setup fine on the server. The client gets the following error message:<br />
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Web Site Certified by an Unknown Authority<br />
Unable to verify the identity of host.domain.com as a trusted site<br />
Possible reasons for this error:<br />
- Your browser does not recognize the Certifiate Authority that issued the site's certificate<br />
- The site's certificate is incomplete due to a server misconfiguration<br />
- You are connected to a site pretending to be host.domain.com, possibly to obtain your confidential information.<br />
<br />
Do I need to open certain incoming ports for my Certificate Server?
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I recently setup a Microsoft Certifiate server and installed a certificate on one of my websites. My certificate server is not available outside the firewall. Everything appears to be setup fine on the server. The client gets the following error message:

Web Site Certified by an Unknown Authority
Unable to verify the identity of host.domain.com as a trusted site
Possible reasons for this error:
- Your browser does not recognize the Certifiate Authority that issued the site's certificate
- The site's certificate is incomplete due to a server misconfiguration
- You are connected to a site pretending to be host.domain.com, possibly to obtain your confidential information.

Do I need to open certain incoming ports for my Certificate Server?

SSL Certificate fails for users outside the firewall

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).