Why do I see the Citrix Gateway or Netscaler error "Additional Information Required" during Duo authentication?
![Error 1065 The Citrix Broker Service failed to determine the base settings needed for virtual desktop agent of machine Error 1065 The Citrix Broker Service failed to determine the base settings needed for virtual desktop agent of machine](https://support.citrix.com/files/public/support/article/CTX224674/images/0EM0z000000HfeQ.jpeg)
Error 1065 The Citrix Broker Service failed to determine the base settings needed for virtual desktop agent of machine
![Broken link in emails from Citrix Support (contentqa.citrix.com) - Knowledge Center Feedback - Discussions Broken link in emails from Citrix Support (contentqa.citrix.com) - Knowledge Center Feedback - Discussions](https://support.citrix.com/files/public/discussions/monthly_2018_01/citrix_email.png.7520cb62169e47f329756426c2d76dbc.png)
Broken link in emails from Citrix Support (contentqa.citrix.com) - Knowledge Center Feedback - Discussions
![Citrix Desktop Service Will Not Start or Restart After Installing .NET Based Applications on 64-Bit Windows Platforms Citrix Desktop Service Will Not Start or Restart After Installing .NET Based Applications on 64-Bit Windows Platforms](https://support.citrix.com/files/public/support/article/CTX140116/images/0EM60000000PQpQ.gif)
Citrix Desktop Service Will Not Start or Restart After Installing .NET Based Applications on 64-Bit Windows Platforms
![Windows PC: Install Citrix Client for Virtual Managed Desktop - ITonCloud Knowledge Base - ITonCloud Knowledge Base Windows PC: Install Citrix Client for Virtual Managed Desktop - ITonCloud Knowledge Base - ITonCloud Knowledge Base](https://kb.itoncloud.com/download/attachments/327786/upgrade6.png?version=1&modificationDate=1583838358714&api=v2)