All Network Admin screens require multisite. Files load /wp-admin/network/admin.php, which ensures multisite and applies the redirect_network_admin_request filter.

admin.php

• URL: /wp-admin/network/admin.php
• Capability required: Multisite only (no direct cap check here; individual screens enforce caps).
• What it does: Network admin bootstrap; redirects to the canonical network admin URL if needed.
• Key hooks: redirect_network_admin_request.

index.php

• URL: /wp-admin/network/index.php
• Capability required: manage_network.
• What it does: Network Dashboard landing page.
• Key hooks: (none in file).

settings.php

• URL: /wp-admin/network/settings.php
• Capability required: manage_network_options.
• What it does: Network settings (registration, uploads, language, etc.).
• Key hooks: mu_menu_items, wpmu_options, update_wpmu_options, wpmuadminedit.

sites.php

• URL: /wp-admin/network/sites.php
• Capability required: manage_sites (plus delete_sites/delete_site for deletions).
• What it does: Network sites list and bulk actions.
• Key hooks: handle_network_bulk_actions-{$screen}, network_sites_updated_message_{$action}, wpmuadminedit, activate_blog, deactivate_blog.

site-new.php

• URL: /wp-admin/network/site-new.php
• Capability required: create_sites.
• What it does: Create a new site in the network.
• Key hooks: network_site_new_form, pre_network_site_new_created_user, network_site_new_created_user.

site-info.php

• URL: /wp-admin/network/site-info.php?id={SITE_ID}
• Capability required: manage_sites.
• What it does: Edit basic site info (domain/path, status flags).
• Key hooks: network_site_info_form.

site-settings.php

• URL: /wp-admin/network/site-settings.php?id={SITE_ID}
• Capability required: manage_sites.
• What it does: Edit site-specific options in the network.
• Key hooks: wpmu_update_blog_options, wpmueditblogaction.

site-users.php

• URL: /wp-admin/network/site-users.php?id={SITE_ID}
• Capability required: manage_sites (plus promote_users/remove_users for actions).
• What it does: Manage users for a specific site in the network.
• Key hooks: handle_network_bulk_actions-{$screen}, network_site_users_after_list_table, network_site_users_created_user, show_network_site_users_add_existing_form, show_network_site_users_add_new_form.

site-themes.php

• URL: /wp-admin/network/site-themes.php?id={SITE_ID}
• Capability required: manage_sites.
• What it does: Enable/disable themes for an individual site.
• Key hooks: handle_network_bulk_actions-{$screen}.

users.php

• URL: /wp-admin/network/users.php
• Capability required: manage_network_users (plus delete_users/delete_user for deletion).
• What it does: Network-wide user management.
• Key hooks: handle_network_bulk_actions-{$screen}, wpmuadminedit.

user-new.php

• URL: /wp-admin/network/user-new.php
• Capability required: create_users (and manage_network_users for some actions).
• What it does: Create users at the network level.
• Key hooks: network_user_new_form, network_user_new_created_user.

user-edit.php

• URL: /wp-admin/network/user-edit.php?user_id={ID}
• Capability required: manage_network_users (edit specific user).
• What it does: Network-level user edit screen.
• Key hooks: (none in file; standard profile hooks from user-edit.php apply).

themes.php

• URL: /wp-admin/network/themes.php
• Capability required: manage_network_themes (plus delete_themes, update_themes, install_themes).
• What it does: Network-wide theme enable/disable and auto-update controls.
• Key hooks: handle_network_bulk_actions-{$screen}.

theme-install.php

• URL: /wp-admin/network/theme-install.php
• Capability required: install_themes.
• What it does: Network theme installer UI.
• Key hooks: (inherits core theme-install.php hooks via include).

theme-editor.php

• URL: /wp-admin/network/theme-editor.php
• Capability required: edit_themes.
• What it does: Network theme editor (same as core theme editor under network context).
• Key hooks: (none in file; standard admin hooks apply).

plugins.php

• URL: /wp-admin/network/plugins.php
• Capability required: activate_plugins (network context; typically super admin for network-wide activation).
• What it does: Network plugins list and actions (wraps core plugins.php).
• Key hooks: (inherits core plugins hooks via include).

plugin-install.php

• URL: /wp-admin/network/plugin-install.php
• Capability required: install_plugins.
• What it does: Network plugin installer UI.
• Key hooks: (inherits core plugin install hooks via include).

plugin-editor.php

• URL: /wp-admin/network/plugin-editor.php
• Capability required: edit_plugins.
• What it does: Network plugin editor (same as core plugin editor under network context).
• Key hooks: (none in file; standard admin hooks apply).

update-core.php

• URL: /wp-admin/network/update-core.php
• Capability required: update_core (network context).
• What it does: Network updates for core, themes, plugins, translations.
• Key hooks: (none in file; standard update hooks apply).

update.php

• URL: /wp-admin/network/update.php
• Capability required: update_plugins/update_themes/update_core (based on action).
• What it does: Network update handler for single updates (wraps core update handler).
• Key hooks: (none in file; standard update hooks apply).

upgrade.php

• URL: /wp-admin/network/upgrade.php
• Capability required: upgrade_network.
• What it does: Runs network database upgrades.
• Key hooks: after_mu_upgrade, wpmu_upgrade_page, wpmu_upgrade_site.

edit.php

• URL: /wp-admin/network/edit.php?action={action}
• Capability required: Varies by action; uses network admin edit handlers.
• What it does: Handles network-level action routing (e.g., site/user edits).
• Key hooks: wpmuadminedit, network_admin_edit_{$action}.

profile.php

• URL: /wp-admin/network/profile.php
• Capability required: read (self profile in network context).
• What it does: Redirects to the profile editor under network admin.
• Key hooks: (none in file; profile hooks from user-edit.php apply).

menu.php

• URL: Included by network admin screens.
• Capability required: none directly; constructs menus based on update caps.
• What it does: Builds the Network Admin menu.
• Key hooks: (none in file; uses capability checks internally).

About/credits/freedoms/privacy/contribute pages

• Files: about.php, credits.php, freedoms.php, privacy.php, contribute.php
• URL: /wp-admin/network/{file}
• Capability required: read (network context).
• What they do: Network admin informational screens (WordPress about/credits/freedoms/privacy/contribute).
• Key hooks: (none in files).