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6.3. Upgrading from Plone 2.1 to 2.5

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Version-specific procedures and tips for the migration of Plone 2.1 to 2.5.

There are no version-specific procedures or tips for the migration of Plone 2.1 to 2.5 at this time. We expect the general procedure outlined in this manual to be sufficient.

Next: Upgrading Plone 2.5 to 3.0 Previous: Upgrading from Plone 2.0 to 2.1  
by Rene Pijlman — last modified April 25, 2007 - 08:50
Contributors: Martin Aspeli, Geir Bækholt, Sisi Nutt
All content is copyright Plone Foundation and the individual contributors.

copy it in zope

Posted by Yu Huang at November 5, 2007 - 07:35
unfortunately, i happened to try it once (forced).

It's too much a jump and most products are gone. The old one can't work at all even after migration.

So general idea is to create another plone 2.5 instance in zope and copy stuff over from old plone instance to the new one. although there might be very few things that don't work, but it's all right.

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