[cisco-voip] PCD CUCM Migration Upgrades with UCCX

[Ryan LaFountain (rlafount)]

Hi Justin,

I believe this would work. I would test in the lab to be sure, but as long as you’re changing the IP and hostname and not trying to integrate UCCX with a new / different CUCM cluster, then I think you should be fine.

Let me know if this works for you.

Thank you,

Ryan LaFountain
Unified Contact Center
Cisco Services
Direct: +1 919 392 9898
Hours: M - F 9:00am - 5:00pm Eastern Time

On Nov 17, 2014, at 4:25 PM, Justin Steinberg <jsteinberg at gmail.com<mailto:jsteinberg at gmail.com>> wrote:

Thanks Ryan.

What if I opted to use the PCD tool to upgrade/migrate CUCM to 10.5 using new hostnames and IPs.

Maintenance Window 1
1) Virtualize UCCX v8 on ESXi

Business Hours work (doesn't impact production)
1) Install PCD, migrate/upgrade CUCM from old version to 10.5 with new hostnames & IPS

Maintenance Window 2
1) Upgrade CCX to 10.5
2) manually point CCX to the CUCM 10.5 clusters new hostname/IPs using the three commands below.
set uccx provider ip axl
set uccx provider ip jtapi
set uccx provider ip rmcm

On Tue, Nov 4, 2014 at 2:32 PM, Ryan LaFountain (rlafount) <rlafount at cisco.com<mailto:rlafount at cisco.com>> wrote:
Hi Justin,

During any CUCM upgrade with UCCX (regardless of whether you’re using PCD or not) there is some time where CUCM will probably be on a higher and incompatible version with UCCX. This is expected, we just recommend you reduce the amount of time the two are incompatible, or at least plan for calls to fail until UCCX is upgraded to become compatible. The UCCX upgrade or switch-version process does not check the compatibility with CUCM or the CUCM version.

I think the CCX piece of your upgrade / migration plan below looks good.

Thank you,

Ryan LaFountain
Unified Contact Center
Cisco Services
Direct: +1 919 392 9898<tel:%2B1%20919%20392%209898>
Hours: M - F 9:00am - 5:00pm Eastern Time

On Nov 4, 2014, at 11:29 AM, Justin Steinberg <jsteinberg at gmail.com<mailto:jsteinberg at gmail.com>> wrote:

> Anyone have any thoughts on using PCD to upgrade CUCM in environments with UCCX ?
>
> Assuming customer is running v8 CUCM & UCCX on MCS hardware and wants to upgrade to 10.5.
>
> PCD can take CUCM from v8 MCS direct to ESXi and 10.5.  But, UCCX isn't supported for PCD migrations.
>
> CUCM 10.5 isn't supported with UCCX v8 and likewise, UCCX 10.5 isn't supported with CUCM v8.
>
> So I was thinking of using the process below:
>
> Maintenance Window 1
> 1) Virtualize UCCX v8 on ESXi
>
> Maintenance Window 2
> 1) Install RU upgrade on UCCX to 10.5 on inactive partitions
> 2) PCD Upgrade/Migration CUCM to 10.5 (same IP/hostnames)
> 3) Once CUCM is complete, initiate switch-version on UCCX to 10.5.
>
> Does anyone see any issues with temporarily having CUCM at 10.5 before the switch-version begins on UCCX?    Does UCCX check the switch-version to see if the CUCM is compatible?
>
> I haven't found this documented anywhere yet, so I've stayed away from PCD for the time being but curious if anyone has found a good way to handle PCD in environments with UCCX.
>
> Justin
>
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