topic Re: global protect connection failed authentication failed !!! in GlobalProtect Discussions

global protect connection failed authentication failed !!!

H.Thiam — Wed, 11 Feb 2026 22:02:05 GMT

Hi All,

We are currently experiencing the following error when attempting to log into Global Protect ( screenshot attached ). Curiously this is happening after getting prompted via Duo . We are using SAML Identity provider for authentication via DUO . All was working fine until yesterday . The last relevant Global Protect logs make reference to an expired cookie error . Nothing has changed on the Duo side as well the GP config . I have tried to disable the encrypt / decrypt cookie certificate on both the Portal and Gateway , also adjusted some the lifetime settings with no success .

Has anyone experienced that before ?

Thank you in advance

Re: global protect connection failed authentication failed !!!

B.Sanchez392701 — Fri, 13 Feb 2026 21:21:47 GMT

Is the clock correct on your firewall? Any changes to the NTP server settings? Is the cookie certificate still valid?
Is there anything interesting in the gpsvc.log file in the cli when reproducing this issue?
`less mp-log gpsvc.log` to view this log file

Re: global protect connection failed authentication failed !!!

reaper — Mon, 16 Feb 2026 10:25:27 GMT

unfortunately theres not a lot of information to work with here

did you verify the link with DUO is still 'valid': no expired certificates, no new security policy that blocks access to duo, different NAT, expired service account,...

Re: global protect connection failed authentication failed !!!

H.Thiam — Tue, 24 Feb 2026 20:30:49 GMT

Hi both . I appreciate your feedback , this is now resolved . The only thing that we noticed is that we were unknowingly running the pair of firewall independently in an active active scenario so there must have been some asymmetric routing with the traffic .