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Migrating strategy (from scratch v.s. upgrading)

Question asked by baro.brice on Feb 2, 2011
Latest reply on Feb 4, 2011 by Chris_Hackett

We are willing to migrate our “heavily” customized version of Clarity (v8.0) to the latest version (v12.1) and wonder which strategy would the best:
Install Clarity v12.1 on a new target environment then adapt and deploy our customizations onto the new environment and finally migrate our data from the old system to the new one.
Upgrade our current version of Clarity from v8.0 to v8.1, then from v8.1 to v12.1, and adapt our customizations

From my experience, the option 1 is the one usually used when migrating an enterprise application software (it is semms also to be a better choice if one is willing to upgrade the Server OS), BUT from my understanding of the CA Installation manual, option 2 is the one recommended.

What is your opinion on that? Grateful if you could share your experience of migrating your version of Clarity.

Thanks and regards