How To Move Confluence from AD to Crowd and use the AD as user base.
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Confluence is currently connected to an AD/LDAP, but you would like to move from the AD to Crowd and still use the Active Directory/LDAP for the user base.
Environment
Confluence 5.10.0 and above.
Solution
As long as the usernames are not changed during the migration, the steps below can be followed:
Install Atlassian Crowd in a development environment.
Refer to Installing Crowd
Connect Crowd to AD.
Refer to Adding a Directory
Synchronize the users to Crowd.
See if the memberships are on the Users page.
Connect Confluence to Crowd and synchronize.
See the results.
Confluence links the ownership through the usernames, so it is important to maintain the same usernames, otherwise, Confluence will hit How To Rename the User: "Unknown User" as the Content Creator Caused by User Deletion
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