[cisco-voip] Migration from CUCM/UCXN/UCCX 8.5 to 12.5

[Anthony Holloway]

Or turn it into the first cisco-voip community project, and we all jump in
and help?  I call translation patterns!

On Thu, May 28, 2020 at 12:57 PM Kent Roberts <kent at fredf.org> wrote:

>
> Might be less work to just start over…..
>
>
> On May 28, 2020, at 10:25 AM, Matthew Loraditch <
> MLoraditch at heliontechnologies.com> wrote:
>
> Here’s a fun one. We have taken over support of these ancient servers
> hosted on Esxi 4.1 on UCS-C200-M2s!
>
> Exact Versions are:
> 8.5 SU2 for CUCM/UCXN
> 8.5 FCS for UCCX
>
> Each  is a pair of servers.
>
> Have new M5s and flex licensing… need to get to 12.5..  8.5 docs are dead
> for CUCM/UCXN and 8 and 9 docs are dead for UCCX. ISOs I may need are not
> available publicly.
>
> Also fun wrinkle the new host are across the WAN and for many logistical
> reasons are staying there. The migration to the new hosts will have to be
> via DRS or maybe PCD somehow? Not sure if the bandwidth available to get
> data across will be fast enough to finish in the allotted time period. My
> plan was a change freeze window and copy/restore the backups and then
> activate the new servers and move the subnet to the new location.
>
> As best I can tell I need to get UCCX to SU4 of 8.5.1 then I can go to
> 10.6 SU3 and then to 12x (with the fun of two CAD upgrades and then a
> migration to Finesse!)
>
> For CUCM/UCXN I need to go to 8.6 anything and then I can go to 11.5 and
> then to 12x
>
> I think my plan is to do the upgrades to the interim versions on the old
> hosts then migrate to the new and then finish the upgrades. The old hosts
> will need ESXi upgrades to an interim version.
>
> Anyone have thoughts on what they would do here? This is partially
> depending on TAC being able to provide me the ISOs I will need, but I
> presume there is an archive.
>
> In theory some sort of PCD migration is also an option, but I’ve never
> done one and not sure how it could handle the subnet situation that will
> have to exist.
>
> Welcome to my fun life!
>
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> Matthew Loraditch​
> Sr. Network Engineer
> p: *443.541.1518* <443.541.1518>
> w: *www.heliontechnologies.com* <http://www.heliontechnologies.com/>  |
> e: *MLoraditch at heliontechnologies.com* <MLoraditch at heliontechnologies.com>
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