running two blogs (e.g. english and 2nd language) and i wanted both to have w3 total installed for caching...
turns out this does not work.
i installed w3 total cache on blog 1, which is on the root directory and all is good
however, after i installed w3 total cache on /directory/, updating settings in the either blog will crash your wp install. what happens is it will log you out of both wp admin and prompt you to login back into the blog that you have most recently updated. however if you navigate to for example domain.com/wp-admin, you will automatically get redirected to domain.com/directory/wp-admin if this was the blog that you updated last for w3 total cache settings.
has anyone experienced this?
i wonder if this is the same case for subdomain