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Upgrading from Unity 3.1 to 4.0

What is the best way to move subscribers from the old server to the new one?

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Re: Upgrading from Unity 3.1 to 4.0

Give this a whirl

http://www.cisco.com/en/US/products/sw/voicesw/ps2237/products_upgrade_guides_chapter09186a0080205abd.html

You have many steps involved. The best advice:

- Install a new server with 4.2.x Unity

- Follow the guide to migrate subscribers to old to new

- In place upgrade of 3.x to 4.2.x

- decommission the old.

If you search the forum in Umcomm, you will find a ton of info

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