1. IronPDF
2. Troubleshooting
3. Kerberos

Kerberos

How can I get UrlToPdf working with Kerberos authentication?

Please try setting a Username and Password in the rendering settings:

https://ironpdf.com/object-reference/api/IronPdf.ChromeHttpLoginCredentials.html

We advise the use of System.Net.HttpClient to download HTML and then render it afterwards.

Here is an online guide on downloading pages with Kerberos: https://stackoverflow.com/questions/56182076/how-does-the-system-net-http-httpclient-select-authentication-type

You can use HTML Agility Pack to parse any HTML and ensure all the necessary assets are downloaded.