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    <div style="font-family: Arial; font-size: 13px;"><font face="Arial">Both
        are considered refresh upgrades because of the RHEL version
        change underneath.  CUCM upgrade requires a USB drive and wipes
        the drives as well but only for 7825H3 and 7828H3.<br>
        <br>
        <a class="moz-txt-link-freetext" href="http://www.cisco.com/en/US">http://www.cisco.com/en/US</a></font>
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      <font face="Arial">/partner/docs/voice_ip_comm/cucm/rel_notes/8_6_1/cucm-rel_notes-861a.html#wp1996982<br>
        <br>
        <a class="moz-txt-link-freetext" href="https://supportforums.cisco.com/docs/DOC-16898">https://supportforums.cisco.com/docs/DOC-16898</a><br>
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        <pre class="moz-signature" cols="72">Adam </pre>
        <br>
        ------------Original Message--------------<br>
        From: Jason Aarons (AM) <a class="moz-txt-link-rfc2396E" href="mailto:jason.aarons@dimensiondata.com"><jason.aarons@dimensiondata.com></a><br>
        Sent: Mon, Aug 15, 2011 11:51:24 Am<br>
        To: cisco-voip (<a class="moz-txt-link-abbreviated" href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>)
        <a class="moz-txt-link-rfc2396E" href="mailto:cisco-voip@puck.nether.net"><cisco-voip@puck.nether.net></a><br>
        CC: <br>
        Subject: [cisco-voip] 8.6 Upgrades L2 Upgrade vs Refresh Upgrade<br>
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          <p class="MsoNormal">Per the Release Notes;<o:p></o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
          <p class="MsoNormal">For CallManger 8.6 is L2 Upgrade,
            upgrades using Inactive partition.<o:p></o:p></p>
          <p class="MsoNormal">For Unity Connection 8.6 is a Refresh
            Upgrade (wipes drive, 128GB  USB required)<o:p></o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
          <p class="MsoNormal">How come they aren’t both a Refresh
            Upgrades? Why the difference under the hood?<o:p></o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
          <p class="MsoPlainText"><a moz-do-not-send="true"
href="https://supportforums.cisco.com/community/netpro/collaboration-voice-video/unified-comm-application/blog/2011/08/11/checklist-before-upgrading-to-unity-connection-86">https://supportforums.cisco.com/community/netpro/collaboration-voice-video/unified-comm-application/blog/2011/08/11/checklist-before-upgrading-to-unity-connection-86</a><o:p></o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
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