This organization's certificate has been revoked.

Unfortuantely i am getting this SSL error on my F5,

 

 

It has been working for some time however continually get the error message

 

 

This organization's certificate has been revoked. when using IE7, the site seems fine in firefox and im aware that IE7 may be using the option of check for server revocation. however need to get rid of the error.

 

 

I've telneted to the CRL distrubution points as below (on the SSL)

 

URI: http://crl.comodoca.com/UTN-USERFirst-Hardware.crl

 

URI: http://crl.comodo.net/UTN-USERFirst-Hardware.crl

 

 

any assistance in this matter would be appreciated.

 

 

Thanks