MySQL 5.1 Upgrade on Windows

Upgrading MySQL on Windows

Some tips and documentation links to following when upgrading from 5.0.x to version 5.1.39 or higher.

Tips

  • Back up all data prior to upgrade
  • If using the MySQL msi installer, be aware the default data directory has changed
    • old: Program Files\MySQL\MySQL Server 5.0\data
    • new: Documents and Settings
      All Users
      Application Data
      MySQL

      MySQL Server 5.1
      data.
  • Read the MySQL documention for upgrading on Windows and upgrading to version 5.1 and determine your plan for upgrading data prior to starting the upgrade.
  • Recommend these steps: doing backup of data, uninstalling 5.0.x, install 5.1.x, then restoring data.

Windows upgrade

Upgrading to MySQL 5.1