<div dir="ltr">That is exactly what happened, <div><br></div><div>thanks Ryan, for the in-depth explanation. <div><br></div><div>Abebe,</div><div><br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 6, 2015 at 1:38 PM, Ryan Huff <span dir="ltr"><<a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">My suspicion (and this is just a guess really, without more detail); is that after the 10.5 update was applied, but before the switch version was completed, changes where made to the data in the 9.1 version.<br>
<br>
When staging an upgrade in the inactive partition, changes made to the database in the active partition are not replicated to the database in the inactive partition. When you complete the switch version, the database from the inactive partition (created when you initially installed the upgrade) becomes active and any data differences between the databases are lost.<br>
<br>
The same thing would happen if you had to revert the upgrade and switch-version back to 9.1. Any changes made in 10.5 would not replicate into 9.1.<br>
<br>
Thanks,<br>
<br>
Ryan<br>
<br>
Sent from my iPad<br>
<div><div class="h5"><br>
> On Oct 6, 2015, at 3:20 AM, Abebe Amare <<a href="mailto:abucho@gmail.com">abucho@gmail.com</a>> wrote:<br>
><br>
> Hi,<br>
><br>
> I upgraded CUCM over the weekend from version 9.1 to 10.5(2) and applied the upgrade license on the PLM for version 10.x .<br>
> I noticed some EM profiles, end users, phones and BLF speed dials disappeared after the version switch over. Fortunately those missing items were not much so I added them manually. what might have caused the configuration missing ?<br>
><br>
> thanks in advance<br>
><br>
> Abebe<br>
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