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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Adriano, our policy is to allow two certs for the same public key and same subject with different issuance dates if the newer certificate is enrolled within the 90-day renewal window of the older certificate.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-Rick<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> public-bounces@cabforum.org [mailto:public-bounces@cabforum.org] <b>On Behalf Of </b>Adriano Santoni<br><b>Sent:</b> Thursday, December 03, 2015 12:35 AM<br><b>To:</b> CAB Forum<br><b>Subject:</b> [cabfpub] Multiple active certs for same key and same subject<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'><span style='font-family:"Calibri","sans-serif"'>Dear all,<br><br>It has been brought to our attention the case of a customer who claims to be common practice, for trusted CAs, to happily issue multiple certificates for the same public key and same subject, at issuance dates such that two or more of those certificates are concurrently active at the same time. I would like to hear opinions on that: whether it is in fact a common practice or not, and the arguments for and against such practice.<br><br>Adriano</span><o:p></o:p></p></div></body></html>