GlobalProtect Authentication failed Error code -1 after PAN-OS update

[garry_shape]

We are on PAN-OS 8.0.6 and have GlobalProtect and SAML w/ Okta setup. It has worked fine as far as I can recall.   

However when we went to upgrade to 8.0.19 and any later version (after trying that one first), our VPN stopped working.   

The client would just loop through Okta sending MFA prompts.

On the web client, we got this error: "Authentication failed Error code -1" with "/SAML20/SP/ACS" appended to the URL of the VPN site (after successfully authenticating with Okta. 

When I downgrade PAN-OS back to 8.0.6, everything goes back to working just fine. No changes are made by us during the upgrade/downgrade at all. 

Any advice/suggestions on what to do here?

[PravinSingi]

Hi All,

Sorry, forgot to update this thread. Apparently, PAN doesn't support 'IdP initiated workflow' at the present.

Their recommendation is to create a bookmark and hide the original Prisma Access app.
Reference - https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Cm2oCAC

[PravinSingi]

Sadly, this didn't work for me. 

[Sidhiq]

Thanks. You are right. Resolved by changing time.

[NilsGab]

Workaround:
Clone the Authentication Profile from Shared to vsys1 and change it on the GP Gateway and GP Portal.

 

[BiljanaZafirovska]

Hello, Did you change NTP servers or something else? Thanks