Support » Fixing WordPress » Upgrading from WP 2.0 to 3.1.1: Any Special Considerations?

  • A friend has asked me to update and improve his years-old installation of WP 2.0. I’ve done a backup with the WP Database Backup plugin, and it seems the next step would be to upgrade WP to 3.1.1 (or whatever is the latest when I do this).

    I’m concerned about the great difference between versions: 2.0 to 3.1.1. Will the manual upgrade procedure work, or are the two database formats too different to make the move?


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  • As usual, make a backup of your database first as well as your wp-content folder. Turn off all plugins.
    The Database upgrade routine will walk its way through the various changes.

    There have lots of good reports from people making the long journey from older WordPress versions to the latest.

    Did I mention, make a backup?

    Thanks, that’s very encouraging.

    Do you really think I should make a backup? 😉


    Uh, oh. I ran into a snag. I replaced the files as instructed, but when I went to wp-admin, I got this error:

    You cannot update because WordPress 3.1.1 requires MySQL version 4.1.2 or higher. You are running version 3.23.58.

    I filed a ticket with the hosting company, and they are moving the account to a server with MySQL 5. However, they don’t guarantee the successful movement of the WP database due to the difference in platforms.

    Can you point me to some help in restoring a backed up WP 2.0 database to a WP 3.1.1 installation?


Viewing 3 replies - 1 through 3 (of 3 total)
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