- Method 1: Migrate to the new host server when all software is up to date
No software upgrades are necessary.
Nothing is changed on the existing host server.
Falling back to the existing host server is easy if problems occur.
Compatibility issues are unlikely when installing the latest software on a newer operating system.
- Method 2: Migrate to the new host server, then upgrade software
Nothing is changed on the existing host server.
Falling back to the existing host server is easy if problems occur.
Compatibility issues may occur when installing older software on a newer operating system.
- Method 3: Upgrade software, then migrate to the new host server
Changes are made on the existing host server.
Falling back may require significant tie and effort, including restoring the entire existing hose server from a full host server backup.
Compatibility issues may occur when installing older software on a newer operating system.
Older software is installed on the new host server before new software is installed.