[cisco-voip] Unity 5 upgrading from Unity 4

[Scott Voll]

I'm planning on this upgrade October / Novemberish but have not started the
research on it yet.  If anyone has any comments I would like to know also.

I don't have the Windows issue as I'm already at windows 2k3 with Exchange
2k3 and Unity 4.0.5 UM.  I'm hoping upgrading to 5.0 will be a little easier
then Jonathan is talking about.

Scott


On 8/23/07, Jonathan Charles <jonvoip at gmail.com> wrote:
>
> Has anyone done it successfully?
>
> I have a LOT of customers on Unity 4.X running Windows 2000 who want
> to upgrade to Unity 5 and Windows 2003. However, my first attempt was
> a complete disaster (ended up having to install from scratch).
>
> Here is the problem:
>
> You CANNOT upgrade a Windows 2000 box to Windows 2003 once Unity is
> installed (says so in the upgrade documentation).
>
> So, you must do a DRT backup, install Windows 2003 clean, install your
> old version of Unity 4.X and restore it. Then you can upgrade to 5
>
> This is not even slightly as simple as it sounds and has a remarkably
> high failure rate.
>
> (we got an error that the hostname didn't match and the upgrade to unity
> failed)
>
> TAC refused to support the upgrade (this was early July, it had come
> off of NPH that day).
>
> If anyone has, I am curious as to what tricks you did to make it work...
>
>
>
> Jonathan
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>
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