We are moving our Jira Server on-prem installation to the Jira Cloud offering.
We have upgraded our server installation, created a backup and loaded this to the cloud installation.
Our problem: We are using an (open-)LDAP directory on-prem. Usersnames are simple names, eg. 'wwerner'. These users do have correct Email addresses (eg. wwerner@domain.com).
In the cloud, the user 'wwerner@domain.com' has a valid Atlassian id.
However, the migrated data is connected to a user 'wwerner', which is different from the Atlassian ID.
I would like to understand how the mapping from original username 'wwerner' to an Atlassian Cloud ID is done.
Currently, users who connect to the cloud do not have assigned tasks etc.
Any help, directions or procedures are highly appreciated!
Thanks, Wolfgang