Hi
I have AADDS setup on custom domain. Domain is federated with on-premises ADFS servers.
Will I be able to join my Azure VMs to custom domain which is setup on AADDS?
AADDS - Custom Domain federated with onprem ADFS
Hello @MayurMaster-2553
The answer to your question would depend on whether you are synchronizing Password Hashes to Azure AD or not. To authenticate users via NTLM or Kerberos, Azure AD Domain Services needs access to the password hashes of user accounts.
Usually in a federated directory, password hash synchronization to Azure AD is not configured as the authentication is done against On-premises Active Directory via ADFS. Therefore, Azure AD Domain Services doesn't work with such Azure AD directories.
However, if you're using Azure AD Connect for password hash synchronization, you can use Azure AD Domain Services with federated domain because the password hash values are stored in Azure AD.
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