1072WordPress Multisite and Switching Subdirectories
Notes for changing Wordpress Multisite Subdirectories:
Step 1
Update siteurl & home in wp_X_options
Don’t forget the trailing slash
Step 2
Change corresponding paths in wp_blogs
Step 3 (Optional)
Clear Caches
Step 4
Check Image upload folders
Step 5
define( 'SITE_ID_CURRENT_SITE', 1 );
define( 'BLOG_ID_CURRENT_SITE', 1 );