SSL Installation issue

Here is an intersting issue I am encountering installing a Comodo Instant SSL cert.

Installed via WHM for sub.domain.com. Installation says it is ok.

Files are all in the right places, httpd.conf entry looks good.

When using IE, the https://sub.domain.com is innacessible. When using Netscape or opera, it works fine. It isn't an IE misconfig, as I have several other people in other places try it with no success, and succeed with netscape or opera.

Anybody ever seen this before? I have anothe comodo cert on the same server that is working fine.

TIA

 

 

 

 

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