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</o:shapelayout></xml><![endif]--></head><body 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'>With the recovery key thing, will that process work after you have screwed yourself and the phones won’t register?<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 style='text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Dennis Heim | Collaboration Solutions Architect</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>World Wide Technology, Inc. | +1 314-212-1814<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><a href="https://twitter.com/CollabSensei"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;text-decoration:none'><img border=0 width=124 height=25 id="Picture_x0020_1" src="cid:image001.png@01CFFDA6.D7B3D880" alt=twitter></span></a><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><a href="xmpp:dennis.heim@wwt.com"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="Picture_x0020_2" src="cid:image002.png@01CFFDA6.D7B3D880" alt=chat></span></a><a href="tel:+13142121814"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="Picture_x0020_3" src="cid:image003.png@01CFFDA6.D7B3D880" alt=Phone></span></a><a href="sip:dennis.heim@wwt.com"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="Picture_x0020_4" src="cid:image004.png@01CFFDA6.D7B3D880" alt=video></span></a><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'><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><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> bmeade90@gmail.com [mailto:bmeade90@gmail.com] <b>On Behalf Of </b>Brian Meade<br><b>Sent:</b> Tuesday, November 11, 2014 11:49 AM<br><b>To:</b> Heim, Dennis<br><b>Cc:</b> cisco-voip@puck.nether.net<br><b>Subject:</b> Re: [cisco-voip] Enable DNS<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Since you're on 10.5, you can also take a backup of the ITL recovery key that you can use to recover with if anything goes wrong:<o:p></o:p></p><div><p class=MsoNormal><a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/rel_notes/10_0_1/delta/CUCM_BK_C206A718_00_cucm-new-and-changed-1001/CUCM_BK_C206A718_00_cucm-new-and-changed-1001_chapter_010.html#CUCM_RF_S1EF9820_00">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/rel_notes/10_0_1/delta/CUCM_BK_C206A718_00_cucm-new-and-changed-1001/CUCM_BK_C206A718_00_cucm-new-and-changed-1001_chapter_010.html#CUCM_RF_S1EF9820_00</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Make sure all the devices are using a CM Group with both servers in it so they have a 2nd TVS server they can use and just do one server at a time making sure the phones get the updated ITLs before doing the next server.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>You could be really safe and set "Prepare Cluster for Rollback to 8.x" to "True", make your DNS changes, then change it back to "False".<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Brian<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Tue, Nov 11, 2014 at 11:21 AM, Heim, Dennis <<a href="mailto:Dennis.Heim@wwt.com" target="_blank">Dennis.Heim@wwt.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I meant ITL’s. We are in non-secure mode, so ITL’s only. This is 10.5SU1.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Dennis Heim | Collaboration Solutions Architect</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>World Wide Technology, Inc. | <a href="tel:%2B1%20314-212-1814" target="_blank">+1 314-212-1814</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><a href="https://twitter.com/CollabSensei" target="_blank"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;text-decoration:none'><img border=0 width=124 height=25 id="_x0000_i1025" src="cid:image001.png@01CFFDA6.D7B3D880" alt=twitter></span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><img border=0 width=95 height=28 id="_x0000_i1026" src="cid:image002.png@01CFFDA6.D7B3D880" alt=chat></span><a href="tel:+13142121814" target="_blank"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="_x0000_i1027" src="cid:image003.png@01CFFDA6.D7B3D880" alt=Phone></span></a><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><img border=0 width=95 height=28 id="_x0000_i1028" src="cid:image004.png@01CFFDA6.D7B3D880" alt=video></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <a href="mailto:bmeade90@gmail.com" target="_blank">bmeade90@gmail.com</a> [mailto:<a href="mailto:bmeade90@gmail.com" target="_blank">bmeade90@gmail.com</a>] <b>On Behalf Of </b>Brian Meade<br><b>Sent:</b> Tuesday, November 11, 2014 11:08 AM<br><b>To:</b> Heim, Dennis<br><b>Cc:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br><b>Subject:</b> Re: [cisco-voip] Enable DNS</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What CUCM version? Also you mention CTLs so is this a mixed-mode cluster?<o:p></o:p></p></div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Tue, Nov 11, 2014 at 10:39 AM, Heim, Dennis <<a href="mailto:Dennis.Heim@wwt.com" target="_blank">Dennis.Heim@wwt.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have a 2 node cluster that currently has DNS disabled. My intention is to configure and enable DNS. I know this will regenerate all the certificates at once. My understanding is that as long as I do not do both nodes at the same time and all the endpoints register with the other server all will be well. However, any endpoints that are offline will require their CTL’s to be cleared.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Has anyone seen anything different?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><b><span style='font-size:10.0pt;color:black'>Dennis Heim | Collaboration Solutions Architect</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;color:black'>World Wide Technology, Inc. | <a href="tel:%2B1%20314-212-1814" target="_blank">+1 314-212-1814</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><a href="https://twitter.com/CollabSensei" target="_blank"><span style='text-decoration:none'><img border=0 width=124 height=25 id="_x0000_i1029" src="cid:image001.png@01CFFDA6.D7B3D880" alt=twitter></span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><img border=0 width=95 height=28 id="_x0000_i1030" src="cid:image002.png@01CFFDA6.D7B3D880" alt=chat><a href="tel:+13142121814" target="_blank"><span style='color:windowtext;text-decoration:none'><img border=0 width=95 height=28 id="_x0000_i1031" src="cid:image003.png@01CFFDA6.D7B3D880" alt=Phone></span></a><img border=0 width=95 height=28 id="_x0000_i1032" src="cid:image004.png@01CFFDA6.D7B3D880" alt=video><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></p></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>