From f11c8139d7340f866cf435bf471d6dc35133b96f Mon Sep 17 00:00:00 2001 From: msarcletti <56821677+msarcletti@users.noreply.github.com> Date: Tue, 10 Nov 2020 09:24:57 +0100 Subject: [PATCH] Update vpn-conditional-access.md Updating the note describing prerequisites for using SSO with information relevant for AAD only joined devices. --- .../identity-protection/vpn/vpn-conditional-access.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/windows/security/identity-protection/vpn/vpn-conditional-access.md b/windows/security/identity-protection/vpn/vpn-conditional-access.md index fc09e68a62..002d10e812 100644 --- a/windows/security/identity-protection/vpn/vpn-conditional-access.md +++ b/windows/security/identity-protection/vpn/vpn-conditional-access.md @@ -77,7 +77,9 @@ Two client-side configuration service providers are leveraged for VPN device com - Upon request, forwards the Health Attestation Certificate (received from HAS) and related runtime information to the MDM server for verification > [!NOTE] -> Currently, it is required that certificates used for obtaining Kerberos tickets must be issued from an on-premises CA, and that SSO must be enabled in the user’s VPN profile. This will enable the user to access on-premises resources. +> Currently, it is required that certificates used for obtaining Kerberos tickets must be issued from an on-premises CA, and that SSO must be enabled in the user’s VPN profile. This will enable the user to access on-premises resources. +> +> In the case of AzureAD-only joined devices (not hybrid joined devices), if the user certificate issued by the on-premises CA has in Subject and SAN (Subject Alternative Name) the user UPN from AzureAD, the VPN profile must be modified to ensure the client does not cache the credentials used for VPN authentication. To do this, after deploying the VPN profile to the client, modify the *Rasphone.pbk* on the client by changing entry **UseRasCredentials** from 1 (default) to 0 (zero). ## Client connection flow