Confluence Upgrading merging and Migration Document

[sumanth gandham]

Hi,

Our origination has recently decided to Migration to datacenter. three(Different versions) servers and two clouds confluence that we have. I would like to know what are the challenges involved in the activity.

If is it possible could you please share the doc. 

[Daniel Ebers]

The question repeated and continued here:
https://community.atlassian.com/t5/Confluence-questions/Confluence-update-merge-and-migrate-to-Data-center/qaq-p/1862776

[G subramanyam]

Hi @sumanth gandham welcome to the Atlassian community.

Please access the below detailed documents (check lists) that helps you with your migration plan and journey.

1. Confluence pre-migration checklist 

2. Migration assistant 

3. Migrate from confluence cloud to server 

[sumanth gandham]

Hi Subramanyam,

Thanks for quick response, and let me describe actually what we have the situation.

1.merge and migrate 5 different production instances of Confluence software into a single Confluence Data Center edition

a. Confluence 7.6.2

B. Confluence 7.2.1

C. Confluence 7.4.6 and 

D. Two cloud Confluence 

For Upgrading which fix version is best and how can we merge...

Could you please suggest the Process how can we do..... 

Thanks in Advance