Can we use Jira server edition license to Data Center Jira if yes , Can we use Server license with Data center license within same organization and how to share the license ?
No. If you want to use Jira DataCenter you need a Data Center license.
Also, there is no sharing - each Server or DC install needs its own licence.
If you have a very large Atlassian estate with many services, you might want to look at an Enterprise Licence Agreement.
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