WordPress guides
WordPress multisite: fix new subsites returning 404
Does the main site work while new subsites return 404? Check their address, network routing, and the affected site’s permalinks.
Read the guide →WordPress multisite: DNS, addresses, 404 errors and WP-Cron
Diagnose an unreachable subdomain, repair a 404 error or check addresses after converting a WordPress multisite network. Also find WP-Cron tasks.
8 guides
WordPress guides
Trigger WP-Cron on network subsites
Identify subsites missed by the WordPress scheduler, check their events, and restore triggering in the correct context.
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A WordPress multisite subsite has reached its media quota
A WordPress multisite subsite rejects media. Check the total quota, per-file limit and site override before testing again.
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WordPress multisite shows only “Add Existing User”
Is the user creation form missing in multisite? Check permissions and network policy, then add the account to the correct subsite.
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WordPress Multisite: why a subsite administrator cannot install a plugin
Distinguish network installation from activation on a WordPress subsite, then choose a native block, an existing plugin or a targeted request.
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WordPress Multisite: diagnose an unreachable subdomain
Distinguish a WordPress subdomain missing from DNS, a misconfigured wildcard rule and an archived subsite. Check each layer on a local copy.
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WordPress Multisite: repair addresses after changing the network type
Repair broken URLs after switching Multisite between subdomains and subdirectories: a consistent rollback, addresses, server rules and checks.
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WordPress Multisite: restore login after mapping a domain
Check a Multisite subsite’s HTTPS certificate, login page and cookies after domain mapping. Rehearse rollback on a copy.
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