I have just enabled Multisite. This was an existing WordPress implementation with the WordPress files in the root directory. I followed the instructions in the http://codex.wordpress.org/Create_A_Network document.
I took backups of files and database, deactivated all plugins and also set WordPress up to run out of its own directory. So far so good.
I allowed multisite, installed the network and then enabled the network. I had no .htaccess file so have created manually and suspect this may be where part of the problem is although everything did seem to be OK at first.
My existing site is fine and displays fine with no issues.
The problem is the My Sites > Network Admin flyout menu. The links seem to not recognise that WordPress is installed in it's own directory.
e.g. my website is at http://securisure.co.uk, as I have moved WordPress in to its own directory I now access WordPress at http://securisure.co.uk/wordpress/wp-admin, which is fine, but the links in the flyout do not include the /wordpress/ part of the path and look like this http://securisure.co.uk/wp-admin/network and so I get 404's.
I can manually enter the wordpress part of the path and then get to the Network Admin dashboard for instance but if I try and create a new site or anything I get a blank screen as soon as I hit the Add Site button.
Any ideas please?