willemB-9

Problem:
You are using WPML on a .nl domain and want to extend the translations to .eu and .es domains. All domains are on the same IP and have SSL certificates, but when trying to configure them in WPML settings, you receive a message stating the domains are not valid.
Solution:
First, ensure that all domains correctly point to the primary site language before adding them to the WPML > Languages settings. After adding, each domain should direct to the assigned language, provided there is published translated content available. If you see a 'domain not valid' message, it might be a false positive; try saving the settings and testing the domains again. For specific domain settings, consult with your domain hosting company as these settings are outside our access. Follow the steps in our documentation here: How to use WPML with different domains per language. Sharing this documentation with your domain's support team can also be beneficial if problems persist.

If this solution does not resolve your issue or seems outdated, we recommend opening a new support ticket. Please check related known issues at https://wpml.org/known-issues/, verify the version of the permanent fix, and confirm that you have installed the latest versions of themes and plugins. For further assistance, visit our support forum at WPML Support Forum.