Every time I start this it removes the directory on step 10 then fails as no such directory exists. I am using this on a windows machine setup with a wamp stack. Also I have version 7.x-5.8 of drush. The site I am trying to upgrade is a drupal latest version with domains and many modules.

I have got the upgrade to work once but it was not successful. The only way it worked for me was to download drupal and skip most all the steps or state I would do most of the steps. When the tasks had finished the site was not functional at all it ended up with a selectqueryextender error. This was because all the system file locations in the database were pointed to the wrong place. Also the program did not download a single module. Wish this worked as I have 7 drupal installs on 6 and a huge migration path.

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greg.1.anderson’s picture

greg.1.anderson CreditAttribution: greg.1.anderson commented

I have never tried site-upgrade on Windows. Perhaps you could test on Linux running on a virtual machine, and see if that works better for you.

I'm not sure why the registry would be messed up, but you could try running the registry rebuild command on it.

Finally, if you just can't get site upgrade to work, you might also consider running site-install on the target codebase to create a new, blank Drupal site, and then use Drupal-to-Drupal migration to upgrade. Haven't tried this myself yet, but it seems promising.