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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">They will register and work, but no SSL functions will work, eg secure Extension mobility or the corporate directory.<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">Tommy<o:p></o:p></span></p>
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<span style="FONT-SIZE: xx-small; FONT-FAMILY: Verdana; FONT-WEIGHT: bolder; COLOR: #808080"><br>
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tschlotterer@presidio.com</a><br>
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<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""> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Mike O<br>
<b>Sent:</b> Thursday, August 03, 2017 1:52 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] CUCM 10.5 cluster migration<o:p></o:p></span></p>
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<p><span style="font-family:"Calibri","sans-serif";color:black">Hi All, I need to move about a 100 phones to a new cluster, and then add an additional 200+ phones. My problem is I want to use the "Prepare Cluster for Rollback to pre-8.0" parameter, but I can't
change the option 150 in the DHCP server until the next day. My question is once I set this parameter and I reset the phones they will register with an empty ITL file, but will the phones still function? If I can reset the phones to clear the existing ITL
and have them work the following day I can then change the option 150 to the new cluster and then reset the existing phones and add new phones in. I know I can lab this up, but wanted to make sure there were no gotchas associated with this method.<o:p></o:p></span></p>
<p><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri","sans-serif";color:black">Thanks,<o:p></o:p></span></p>
<p><span style="font-family:"Calibri","sans-serif";color:black">Mike<o:p></o:p></span></p>
<p><span style="font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
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