Windows Server How to fix this computer is a domain controller: The snap-in cannot be used on a domain controller
Security | Vulnerability Scans and Assessment PetitPotam attack on Active Directory Certificate Services: How to mitigate NTLM Relay PetitPotam attack on AD CS
Windows Server The sign-in method you are trying to use is not allowed: For more information, contact your network administrator
Windows Server We cannot sign you with this credential because your domain isn’t available: Make sure your device is connected to your organization’s network and try again
Windows Server The following errors occurred attempting to join the domain: The specified domain either does not exist or could not be contacted