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Upgrade stalls, terminal session reports "This system is undergoing a dedupNT to dedupDB migration." - Connect IT Community | Kaseya
<main> <article class="userContent"> <h2 data-id="issue"><strong>ISSUE</strong></h2> <p>Use an SSH client such as <a rel="nofollow" href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Fwww.chiark.greenend.org.uk%2F%7Esgtatham%2Fputty%2Flatest.html">PuTTY</a> to access the Unitrends system at the command line level. <i>Note: Ensure you have the OS password to access the Unitrends system’s command line. The OS </i><a rel="nofollow" href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Funitrends-support.zendesk.com%2Fhc%2Fen-us%2Farticles%2F360013244978">password</a> <i>may differ from the password used to access the User Interface.</i><br><br>After logging to a cli session, the message below is immediately display.<br><br>########################################### <br>########################################### <br>#This system is undergoing a dedupNT to # <br>#dedupDB migration. Please refrain from # <br>#stopping or starting any processes. # <br>#Contact Unitrends Support with questions.# <br>########################################### <br>########################################### <br> </p> <h2 data-id="resolution"><strong>RESOLUTION</strong></h2> <p>This message is not necessarily an error. It indicates that the system deduplication engine is being upgraded from the legacy dedupNT engine to the optimal dedupDB engine.<br><br>If this message persists for longer than 2 hours, Unitrends support should be consulted.</p> <h2 data-id="cause"><strong>CAUSE</strong></h2> <p>The deduplication engine upgrade is performed as part of the 10.1 upgrade after the proceeding prompts are accepted.</p> </article> </main>