Updating the virtual machine and physical resources
Upgrading the virtual software and virtual hardware requires some downtime for your instance, so be sure to plan your upgrade in advance.
Before upgrading GitHub Enterprise Server, review these recommendations and requirements to plan your upgrade strategy.
Upgrade GitHub Enterprise Server to get the latest features and security updates.
You can enable automatic update checks so that your GitHub Enterprise Server instance checks for and downloads the latest GitHub Enterprise Server release.
You can increase or change the amount of storage available for Git repositories, databases, search indexes, and other persistent application data.
You can increase the CPU or memory resources for a GitHub Enterprise Server instance.
To migrate from GitHub Enterprise 11.10.x to 2.1.23, you'll need to set up a new appliance instance and migrate data from the previous instance.