[cisco-voip] Unity 4.0 Messaging Failover

[Justin Steinberg]

How long is your downtime going to be to move Exchange and Unity?  Unless it
is extraodinarily long, I would not bother reconfiguring Unity just for a
small migration window.

Perhaps you can setup an IVR script with a maintenance message and
temporarily point the Unity pilot to the IVR.  You do have the five free
ports.....

Moving the Pub is a good idea to maintain dialtone.

Justin

On 6/21/07, Kenny Marus <kbrain at gmail.com> wrote:
>
> Here is the scenario.
>
> Moving CallManager and Unity from a Data Center to Corporate Office. We
> are looking to plan this correctly with the least amount of downtime
> possible. The plan is to first move the CM Pub from the Data Center to the
> Corp Office. Then build a 2nd Unity box at the Corp office and set it to run
> in "Remote Failover" mode with the Primary Unity accross the WAN in the Data
> Center. This will be a temporary solution while the Exchage Cluster is shut
> down and moved from the Data Center to the Corp office. One thing to note
> regarding the "Remote Failover" mode is that we will not have the Cisco
> recommended 45 Mbps between sites however all we are trying to accomplish
> with this is a short term access to Unity while the Primary Unity and
> message store (Exchange Cluster) are being moved.
>
>
> What will be the user expierence for the users when the Unity and Exchange
> Cluster are shut down at the Data Center? Will they be able to access VM
> through the TUI?
>
>
> Data Center
>
>
> -CallManager Pub/Sub
> -Unity 4.0
> -Exchange Cluster
> -Domain Controller (Global Catalog Server)
>
>
>
> Corp Office
>
>
> -CallManager Pub (To be moved from Data Center)
> -Unity 4.0 (Remote Failover)
>
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