Customize the Access block page
You can display a custom block page when users fail to authenticate to an Access application. Each application can have a different block page.
 Create a custom block page
To create a custom block page for Access:
- In Zero Trust, go to Settings > Custom Pages. 
- Find the Access Custom Pages setting and select Manage. 
- Select Add a page template. 
- Enter a unique name for the block page. 
- Select Failed identity provider check. 
- Copy the Required script. 
- In Custom HTML, enter the HTML code for your custom page. For example, <!DOCTYPE html><html><body><h1>Access denied.</h1><p>To obtain access, contact your IT administrator.</p></body></html>
- To check the appearance of your custom page, select Download and open the HTML file in a browser. 
- Once you are satisfied with your custom page, select Save. 
You can now select this block page when you configure an Access application.