Global Protect "Server Certificate Verification Failed" Multiple Gateways

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Global Protect "Server Certificate Verification Failed" Multiple Gateways

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We are unable to get multiple gateways working correctly with Global Protect.  When we have one portal and one gateway, clients are able to successfully connect and establish a VPN tunnel.  With two gateways we get the following error from both the originally setup gateway and the gateway we are attempting to add: "Gateway x.x.x.x: Server Certificate Verification Failed" in the Global Protect Client -> Status -> Warnings/Errors dialogue.

Setup information:

Portal Hardware: PA-2050

Portal OS: 5.0.3

Gateway 1: Same as Portal above

Gateway 2 Hardware: PA-200

Gateway 2 OS: 5.0.3

Global Protect Portal License: YES

Global Protect Gateway 1 License: YES

Global Protect Gateway 2 License: YES

Certificate Authority Information:

Microsoft Server CA 2012

Portal - CSR issued to MS CA

Gateway 1 - CSR issued to MS CA

Gateway 2 - CSR issued to MS CA

Clients - Machine Certificate pre-installed via GPO from MS CA

1 accepted solution

Accepted Solutions

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Network -> Global Protect -> Portals -> <profile name> -> Client Config -> <config name> -> Gateways -> External Gateways -> "Address" == <FQDN> && != <IP Address>

Translation: Make sure that you use the Fully Qualified Domain Name (FQDN) in Gateway Certificate and NOT the IP address for the gateway in the "Address" field of External Gateways.

This is not totally obvious to me as "Address" usually means "IP Address" and "URL" or "FQDN" or "Domain" usually means the domain name of something.

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2 REPLIES 2

Not applicable

Network -> Global Protect -> Portals -> <profile name> -> Client Config -> <config name> -> Gateways -> External Gateways -> "Address" == <FQDN> && != <IP Address>

Translation: Make sure that you use the Fully Qualified Domain Name (FQDN) in Gateway Certificate and NOT the IP address for the gateway in the "Address" field of External Gateways.

This is not totally obvious to me as "Address" usually means "IP Address" and "URL" or "FQDN" or "Domain" usually means the domain name of something.

THANK YOU SO MUCH !

It was not obvious to me AT ALL.

If you buy a certificate and you don't want any errors and have the Portal and Gateway fully certified by the external CA it simply won't work!

I just spent exactly 2h and 28 minutes figuring out why the heck I continue to receive "Server certificate verification failed" error.

I even posted some screenshots here for help.

Then, I got to your post, changed the "ADDRESS" field which obviously is NOT address but FQDN and I'm in.

No Error, all connected just fine.

You should get like 5 starts for this hint.

Thanks a lot Manilla.

BR

Mariusz

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