[cisco-voip] UCCX 11.5 Upgrade Disaster

[Anthony Holloway]

Was your CPU really high on UCCX?

If so, it could be the browsers sinking the server with a ton of HTTP
connections for Live Data.
https://communities.cisco.com/thread/65762?start=0&tstart=0

On Mon, Nov 14, 2016 at 1:52 PM, Ayoub,Gregory <gea at ufl.edu> wrote:

> We recently attempted to upgrade UCCX 10.5 -- > 11.5.  The deployment was
> HA, and we didn’t see much risk.   The upgrade went fairly smooth, and we
> hit a finesse bug which required the ECDSA COP file.  While minor, it’s
> still not mentioned in the release notes.
>
>
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> The real shocker was 4 hours later when the system stopped accepting calls
> and just handed out fast busys.  Failing over to the secondary would fix
> the issue for a few minutes, but then fast busy.
>
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> Our entire contact center, which is HA, was entirely down.  Primary down,
> Secondary Down, and TAC was unable to resolve after hours and hours.  It
> was a total unmitigated Cisco disaster.
>
>
>
> Rolling back fixed the problem.  And then rolling forward again to 11.5
> the system worked great again – but only for 4 hours.  Then endless fast
> busys.  We rolled back and are on 10.5 working fine.  But we are at a loss
> what could be causing this problem.  Cisco TAC is in the same boat.
>
>
>
> If I had to guess, that seems like more of a licensing failure, because
> TAC even tried replacing our license.   Anyone have a similar experience?
>
>
>
> Thanks Greg.
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