Migrate from Server to Data Center
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Migrating an existing Server installation to Data Center? This guide provides you with a high level overview of the steps you’ll need to take.
Keep your server infrastructure when you upgrade
Migrating from Server to Data Center? If you currently have apps installed on your Server installation, you’ll also need to upgrade your apps to the Data Center version—if one is available. Learn more about how Data Center app licensing works
Cluster your application
Clustered Data Center deployments require additional infrastructure (such as a load balancer), and a more complex deployment topology, so there will be more steps involved in the migration process.
It's important to build and follow a plan to successfully make the switch to a clustered deployment model. The Atlassian Data Center upgrade guide provides some guidance on the overall process, organizational preparedness, estimated time frames, and app compatibility as well as useful tests and checks to perform throughout the moving process.
Consolidate multiple instances
If you plan to consolidate multiple individual instances into a single Data Center deployment, then check out our overview of Atlassian Data Center instance consolidation.