WordPress with capital letters in site name with permalinks enabled and static page for homepage is showing ERR_TOO_MANY_REDIRECTS

Symptoms

• WordPress is installed for a site with capital letters in name, e.g. ExAmplE.com;

• In WordPress admin dashboard > Settings > General the Site Address (URL) and WordPress Address (URL) contains capital letters as well: ExAmplE.com;

• Permalinks are enabled and set to a non-plain value;

• In WordPress admin dashboard > Settings > Reading > Your homepage displays is set to A static page (select below) > Homepage as Sample Page;

• The site shows the following error:

  ERR_TOO_MANY_REDIRECTS

Cause

It is a Plesk bug with ID #PPPM-9702. It is considered to be fixed in the future Plesk updates.

Resolution

Until a fix becomes available, one of the following workarounds can be used:

• Change permalinks to Plain;

• Change the site name to lowercase one, e.g. example.com;

• Change the Site Address (URL) and WordPress Address (URL) to lowercase one, e.g. example.com.