Issue on SSO connection on Win11 cliet

Forum|Forum|7 months ago
December 24, 2025
3 replies
338 views

In the last few days the access to my firm VPN dosesn't succeed.

I log to VPN trough SSO method. Initially it seems all works fine ( credential correct, MFA accepted ...) but

at the end I will receiv this dialog:

Immagine 2025-12-24 113603.png

I am on updated Windows using client fortinet 7.4.2.1737

ebilcari

Staff

You can try to follow the troubleshooting steps that are shown in this article: Troubleshooting Tip: Failure to connect via SSL VPN with 'Credential or SSLVPN configuration is wrong. (-7200)' message with 'sslvpn_login_cert_checked_error'

Emirjon

dcorradaAuthor

Visitor III

Such troubleshoot does not work in my specific case. From the log file I collect, alternatively and repeadetely this error lines

15/03/2025 17:03:26 warning sslvpn CSslvpnAgent::InitPipeHandle() 137 CreateFile() failed.. LastError=231

15/03/2025 17:03:26 error sslvpn Failed to connect to SslvpnDaemon, LastError=0

15/03/2025 17:03:26 error sslvpn CSslvpnAgent::Initialize() 178 InitPipeHandle() failed.

and this ones

18/03/2025 16:14:38 error sslvpn error: poll_recv_ssl -> SSL_get_error(): 6

18/03/2025 16:14:38 error sslvpn error: poll_recv_ssl -> WSAGetLastError():0

18/03/2025 16:14:38 info sslvpn error: polling recv, try:1

Please Note: the VPN connection using only credentials (no SSO) works fine instead

fatanrajafatanraja

New Member

Looking like this may be an expected behavior due to Credential Guard being enabled by default on Win11 since 22H2. Can anybody confirm, and/or know of a workaround (aside from just disabling credential guard?)

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