Unable to login to WordPress admin dashboard: Service Temporary Unavailable

Created:

2017-03-10 08:01:10 UTC

Modified:

2017-08-08 13:12:56 UTC

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Unable to login to WordPress admin dashboard: Service Temporary Unavailable

Applicable to:

  • Plesk Onyx for Linux

Symptoms

Login to WordPress admin dashboard shows Service Temporary Unavailable error.

The following error can be found in /var/www/vhosts/system/example.com/logs/error_log:

AH01075: Error dispatching request to :

Cause

Corrupted wp-admin folder.

Resolution

Update WordPress to the latest version if it is available.

If the issue persists, perform new WordPress installation to any domain and copy wp-admin folder to corrupted domain, set correct user:

# mv /var/www/vhosts/example.com/httpdocs/wp-admin /var/www/vhosts/example.com/httpdocs/wp-admin_old
# cp -R /var/www/vhosts/test.tld/httpdocs/wp-admin/ /var/www/vhosts/example.com/httpdocs/wp-admin
# chown -R <sys_user>.psacln /var/www/vhosts/example.com/httpdocs/wp-admin
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