| Error Code | 80001 |
| Message | No Microsoft Azure AD Connect Authentication Agent was found. Make sure that your environment is configured correctly. If your directory is set for pass-through authentication, make sure that your Microsoft Azure AD Connect Authentication Agent is online. |
| Remediation | Authentication Agent unable to connect to Active Directory. Make sure the authentication agent is installed on a domain-joined machine that has line of sight to a data center that can serve the user's login request |