Document changes that have or will be made to requirements, including servers (CPU, memory, disk), storage, databases and others.
• Establish staging plan for upgrade.
• Validate staging environment has suitable scale and complexity for testing.
• Define/document method and plan for backup and restore.
• Multiple appropriate options can be considered.
Map out and document the components to be upgraded, including the order of and the steps to be completed.
Post-upgrade Configuration Plan
Document the configuration steps to be accomplished after component upgrades.
Document the application performance management component tests to be executed post-upgrade.