Log in to Solid using your username and password.
On the Account Home page click on Policies located under Settings
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On the User Account Policies page click on Web Policy
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On the User Account Settings page change the drop down from Use Host Settings to Overide Host Settings
Within the Page Content text box paste your customized landing page
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Scroll to the bottom of the page and click Save to save your changes
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Note : Changing the default page name from _holding.html may render any new sites from displaying the default landing page.
The change above only applies to websites created after the change has been made