Print Page - Unable to open wp-admin in WordPress subdomain instance: This feature

Title: Unable to open wp-admin in WordPress subdomain instance: This feature
Post by: senthil on Jun 21, 2025, 06:37 AM

Symptoms

Unable to open wp-admin in WordPress subdomain instance:
This feature is temporarily disabled for security reasons. Please try again.

Cause
Invalid Additional HTTP and HTTPS parameters for Apache used:

ServerAlias *.example.com
<Directory /var/www/vhosts/example.com/>
AllowOverride FileInfo Options
</Directory>

Resolution

Log in to Plesk.
Remove the Additional HTTP and HTTPS parameters for Apache in Domain > Hosting > Apache & Nginx

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